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  • We Don’t Need No Regions

    - by João Angelo
    If your code reaches a level where you want to hide it behind regions then you have a problem that regions won’t solve. Regions are good to hide things that you don’t want to have knowledge about such as auto-generated code. Normally, when you’re developing you end up reading more code than you write it so why would you want to complicate the reading process. I, for one, would love to have that one discussion around regions where someone convinces me that they solve a problem that has no other alternative solution, but I’m still waiting. The most frequent argument I hear about regions is that they allow you to structure your code, but why don’t just structure it using classes, methods and all that other stuff that OOP is about because at the end of the day, you should be doing object oriented programming and not region oriented programming. Having said that, I do believe that sometimes is helpful to have a quick overview of a code file contents and Visual Studio allows you to do just that through the Collapse to Definitions command (CTRL + M, CTRL + O) which collapses the members of all types; if you like regions, you should try this, it is much more useful to read all the members of a type than all the regions inside a type.

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  • Add collison detection to enemy sprites?

    - by xBroak
    i'd like to add the same collision detection used by the player sprite to the enemy sprites or 'creeps' ive added all the relevant code I can see yet collisons are still not being detected and handled, please find below the class, I have no idea what is wrong currently, the list of walls to collide with is 'wall_list' import pygame import pauseScreen as dm import re from pygame.sprite import Sprite from pygame import Rect, Color from random import randint, choice from vec2d import vec2d from simpleanimation import SimpleAnimation import displattxt black = (0,0,0) white = (255,255,255) blue = (0,0,255) green = (101,194,151) global currentEditTool currentEditTool = "Tree" global editMap editMap = False open('MapMaker.txt', 'w').close() def draw_background(screen, tile_img): screen.fill(black) img_rect = tile_img.get_rect() global rect rect = img_rect nrows = int(screen.get_height() / img_rect.height) + 1 ncols = int(screen.get_width() / img_rect.width) + 1 for y in range(nrows): for x in range(ncols): img_rect.topleft = (x * img_rect.width, y * img_rect.height) screen.blit(tile_img, img_rect) def changeTool(): if currentEditTool == "Tree": None elif currentEditTool == "Rock": None def pauseGame(): red = 255, 0, 0 green = 0,255, 0 blue = 0, 0,255 screen.fill(black) pygame.display.update() if editMap == False: choose = dm.dumbmenu(screen, [ 'Resume', 'Enable Map Editor', 'Quit Game'], 64,64,None,32,1.4,green,red) if choose == 0: print("hi") elif choose ==1: global editMap editMap = True elif choose ==2: print("bob") elif choose ==3: print("bob") elif choose ==4: print("bob") else: None else: choose = dm.dumbmenu(screen, [ 'Resume', 'Disable Map Editor', 'Quit Game'], 64,64,None,32,1.4,green,red) if choose == 0: print("Resume") elif choose ==1: print("Dis ME") global editMap editMap = False elif choose ==2: print("bob") elif choose ==3: print("bob") elif choose ==4: print("bob") else: None class Wall(pygame.sprite.Sprite): # Constructor function def __init__(self,x,y,width,height): pygame.sprite.Sprite.__init__(self) self.image = pygame.Surface([width, height]) self.image.fill(green) self.rect = self.image.get_rect() self.rect.y = y self.rect.x = x class insertTree(pygame.sprite.Sprite): def __init__(self,x,y,width,height, typ): pygame.sprite.Sprite.__init__(self) self.image = pygame.image.load("images/map/tree.png").convert() self.image.set_colorkey(white) self.rect = self.image.get_rect() self.rect.y = y self.rect.x = x class insertRock(pygame.sprite.Sprite): def __init__(self,x,y,width,height, typ): pygame.sprite.Sprite.__init__(self) self.image = pygame.image.load("images/map/rock.png").convert() self.image.set_colorkey(white) self.rect = self.image.get_rect() self.rect.y = y self.rect.x = x class Creep(pygame.sprite.Sprite): """ A creep sprite that bounces off walls and changes its direction from time to time. """ change_x=0 change_y=0 def __init__( self, screen, creep_image, explosion_images, field, init_position, init_direction, speed): """ Create a new Creep. screen: The screen on which the creep lives (must be a pygame Surface object, such as pygame.display) creep_image: Image (surface) object for the creep explosion_images: A list of image objects for the explosion animation. field: A Rect specifying the 'playing field' boundaries. The Creep will bounce off the 'walls' of this field. init_position: A vec2d or a pair specifying the initial position of the creep on the screen. init_direction: A vec2d or a pair specifying the initial direction of the creep. Must have an angle that is a multiple of 45 degres. speed: Creep speed, in pixels/millisecond (px/ms) """ Sprite.__init__(self) self.screen = screen self.speed = speed self.field = field self.rect = creep_image.get_rect() # base_image holds the original image, positioned to # angle 0. # image will be rotated. # self.base_image = creep_image self.image = self.base_image self.explosion_images = explosion_images # A vector specifying the creep's position on the screen # self.pos = vec2d(init_position) # The direction is a normalized vector # self.direction = vec2d(init_direction).normalized() self.state = Creep.ALIVE self.health = 15 def is_alive(self): return self.state in (Creep.ALIVE, Creep.EXPLODING) def changespeed(self,x,y): self.change_x+=x self.change_y+=y def update(self, time_passed, walls): """ Update the creep. time_passed: The time passed (in ms) since the previous update. """ if self.state == Creep.ALIVE: # Maybe it's time to change the direction ? # self._change_direction(time_passed) # Make the creep point in the correct direction. # Since our direction vector is in screen coordinates # (i.e. right bottom is 1, 1), and rotate() rotates # counter-clockwise, the angle must be inverted to # work correctly. # self.image = pygame.transform.rotate( self.base_image, -self.direction.angle) # Compute and apply the displacement to the position # vector. The displacement is a vector, having the angle # of self.direction (which is normalized to not affect # the magnitude of the displacement) # displacement = vec2d( self.direction.x * self.speed * time_passed, self.direction.y * self.speed * time_passed) self.pos += displacement # When the image is rotated, its size is changed. # We must take the size into account for detecting # collisions with the walls. # self.image_w, self.image_h = self.image.get_size() bounds_rect = self.field.inflate( -self.image_w, -self.image_h) if self.pos.x < bounds_rect.left: self.pos.x = bounds_rect.left self.direction.x *= -1 elif self.pos.x > bounds_rect.right: self.pos.x = bounds_rect.right self.direction.x *= -1 elif self.pos.y < bounds_rect.top: self.pos.y = bounds_rect.top self.direction.y *= -1 elif self.pos.y > bounds_rect.bottom: self.pos.y = bounds_rect.bottom self.direction.y *= -1 # collision detection old_x=bounds_rect.left new_x=old_x+self.direction.x bounds_rect.left = new_x # hit a wall? collide = pygame.sprite.spritecollide(self, walls, False) if collide: # yes bounds_rect.left=old_x old_y=self.pos.y new_y=old_y+self.direction.y self.pos.y = new_y collide = pygame.sprite.spritecollide(self, walls, False) if collide: # yes self.pos.y=old_y elif self.state == Creep.EXPLODING: if self.explode_animation.active: self.explode_animation.update(time_passed) else: self.state = Creep.DEAD self.kill() elif self.state == Creep.DEAD: pass #------------------ PRIVATE PARTS ------------------# # States the creep can be in. # # ALIVE: The creep is roaming around the screen # EXPLODING: # The creep is now exploding, just a moment before dying. # DEAD: The creep is dead and inactive # (ALIVE, EXPLODING, DEAD) = range(3) _counter = 0 def _change_direction(self, time_passed): """ Turn by 45 degrees in a random direction once per 0.4 to 0.5 seconds. """ self._counter += time_passed if self._counter > randint(400, 500): self.direction.rotate(45 * randint(-1, 1)) self._counter = 0 def _point_is_inside(self, point): """ Is the point (given as a vec2d) inside our creep's body? """ img_point = point - vec2d( int(self.pos.x - self.image_w / 2), int(self.pos.y - self.image_h / 2)) try: pix = self.image.get_at(img_point) return pix[3] > 0 except IndexError: return False def _decrease_health(self, n): """ Decrease my health by n (or to 0, if it's currently less than n) """ self.health = max(0, self.health - n) if self.health == 0: self._explode() def _explode(self): """ Starts the explosion animation that ends the Creep's life. """ self.state = Creep.EXPLODING pos = ( self.pos.x - self.explosion_images[0].get_width() / 2, self.pos.y - self.explosion_images[0].get_height() / 2) self.explode_animation = SimpleAnimation( self.screen, pos, self.explosion_images, 100, 300) global remainingCreeps remainingCreeps-=1 if remainingCreeps == 0: print("all dead") def draw(self): """ Blit the creep onto the screen that was provided in the constructor. """ if self.state == Creep.ALIVE: # The creep image is placed at self.pos. To allow for # smooth movement even when the creep rotates and the # image size changes, its placement is always # centered. # self.draw_rect = self.image.get_rect().move( self.pos.x - self.image_w / 2, self.pos.y - self.image_h / 2) self.screen.blit(self.image, self.draw_rect) # The health bar is 15x4 px. # health_bar_x = self.pos.x - 7 health_bar_y = self.pos.y - self.image_h / 2 - 6 self.screen.fill( Color('red'), (health_bar_x, health_bar_y, 15, 4)) self.screen.fill( Color('green'), ( health_bar_x, health_bar_y, self.health, 4)) elif self.state == Creep.EXPLODING: self.explode_animation.draw() elif self.state == Creep.DEAD: pass def mouse_click_event(self, pos): """ The mouse was clicked in pos. """ if self._point_is_inside(vec2d(pos)): self._decrease_health(3) #begin new player class Player(pygame.sprite.Sprite): change_x=0 change_y=0 frame = 0 def __init__(self,x,y): pygame.sprite.Sprite.__init__(self) # LOAD PLATER IMAGES # Set height, width self.images = [] for i in range(1,17): img = pygame.image.load("images/player/" + str(i)+".png").convert() #player images img.set_colorkey(white) self.images.append(img) self.image = self.images[0] self.rect = self.image.get_rect() self.rect.y = y self.rect.x = x self.health = 15 self.image_w, self.image_h = self.image.get_size() health_bar_x = self.rect.x - 7 health_bar_y = self.rect.y - self.image_h / 2 - 6 screen.fill( Color('red'), (health_bar_x, health_bar_y, 15, 4)) screen.fill( Color('green'), ( health_bar_x, health_bar_y, self.health, 4)) def changespeed(self,x,y): self.change_x+=x self.change_y+=y def _decrease_health(self, n): """ Decrease my health by n (or to 0, if it's currently less than n) """ self.health = max(0, self.health - n) if self.health == 0: self._explode() def update(self,walls): # collision detection old_x=self.rect.x new_x=old_x+self.change_x self.rect.x = new_x # hit a wall? collide = pygame.sprite.spritecollide(self, walls, False) if collide: # yes self.rect.x=old_x old_y=self.rect.y new_y=old_y+self.change_y self.rect.y = new_y collide = pygame.sprite.spritecollide(self, walls, False) if collide: # yes self.rect.y=old_y # right to left if self.change_x < 0: self.frame += 1 if self.frame > 3*4: self.frame = 0 # Grab the image, divide by 4 # every 4 frames. self.image = self.images[self.frame//4] # Move left to right. # images 4...7 instead of 0...3. if self.change_x > 0: self.frame += 1 if self.frame > 3*4: self.frame = 0 self.image = self.images[self.frame//4+4] if self.change_y > 0: self.frame += 1 if self.frame > 3*4: self.frame = 0 self.image = self.images[self.frame//4+4+4] if self.change_y < 0: self.frame += 1 if self.frame > 3*4: self.frame = 0 self.image = self.images[self.frame//4+4+4+4] score = 0 # initialize pyGame pygame.init() # 800x600 sized screen global screen screen = pygame.display.set_mode([800, 600]) screen.fill(black) #bg_tile_img = pygame.image.load('images/map/grass.png').convert_alpha() #draw_background(screen, bg_tile_img) #pygame.display.flip() # Set title pygame.display.set_caption('Test') #background = pygame.Surface(screen.get_size()) #background = background.convert() #background.fill(black) # Create the player player = Player( 50,50 ) player.rect.x=50 player.rect.y=50 movingsprites = pygame.sprite.RenderPlain() movingsprites.add(player) # Make the walls. (x_pos, y_pos, width, height) global wall_list wall_list=pygame.sprite.RenderPlain() wall=Wall(0,0,10,600) # left wall wall_list.add(wall) wall=Wall(10,0,790,10) # top wall wall_list.add(wall) #wall=Wall(10,200,100,10) # poke wall wall_list.add(wall) wall=Wall(790,0,10,600) #(x,y,thickness, height) wall_list.add(wall) wall=Wall(10,590,790,10) #(x,y,thickness, height) wall_list.add(wall) f = open('MapMaker.txt') num_lines = sum(1 for line in f) print(num_lines) lineCount = 0 with open("MapMaker.txt") as infile: for line in infile: f = open('MapMaker.txt') print(line) coords = line.split(',') #print(coords[0]) #print(coords[1]) #print(coords[2]) #print(coords[3]) #print(coords[4]) if "tree" in line: print("tree in") wall=insertTree(int(coords[0]),int(coords[1]), int(coords[2]),int(coords[3]),coords[4]) wall_list.add(wall) elif "rock" in line: print("rock in") wall=insertRock(int(coords[0]),int(coords[1]), int(coords[2]),int(coords[3]),coords[4] ) wall_list.add(wall) width = 20 height = 540 height = height - 48 for i in range(0,23): width = width + 32 name = insertTree(width,540,790,10,"tree") #wall_list.add(name) name = insertTree(width,height,690,10,"tree") #wall_list.add(name) CREEP_SPAWN_TIME = 200 # frames creep_spawn = CREEP_SPAWN_TIME clock = pygame.time.Clock() bg_tile_img = pygame.image.load('images/map/grass.png').convert() img_rect = bg_tile_img FIELD_RECT = Rect(50, 50, 700, 500) CREEP_FILENAMES = [ 'images/player/1.png', 'images/player/1.png', 'images/player/1.png'] N_CREEPS = 3 creep_images = [ pygame.image.load(filename).convert_alpha() for filename in CREEP_FILENAMES] explosion_img = pygame.image.load('images/map/tree.png').convert_alpha() explosion_images = [ explosion_img, pygame.transform.rotate(explosion_img, 90)] creeps = pygame.sprite.RenderPlain() done = False #bg_tile_img = pygame.image.load('images/map/grass.png').convert() #draw_background(screen, bg_tile_img) totalCreeps = 0 remainingCreeps = 3 while done == False: creep_images = pygame.image.load("images/player/1.png").convert() creep_images.set_colorkey(white) draw_background(screen, bg_tile_img) if len(creeps) != N_CREEPS: if totalCreeps < N_CREEPS: totalCreeps = totalCreeps + 1 print(totalCreeps) creeps.add( Creep( screen=screen, creep_image=creep_images, explosion_images=explosion_images, field=FIELD_RECT, init_position=( randint(FIELD_RECT.left, FIELD_RECT.right), randint(FIELD_RECT.top, FIELD_RECT.bottom)), init_direction=(choice([-1, 1]), choice([-1, 1])), speed=0.01)) for creep in creeps: creep.update(60,wall_list) creep.draw() for event in pygame.event.get(): if event.type == pygame.QUIT: done=True if event.type == pygame.KEYDOWN: if event.key == pygame.K_LEFT: player.changespeed(-2,0) creep.changespeed(-2,0) if event.key == pygame.K_RIGHT: player.changespeed(2,0) creep.changespeed(2,0) if event.key == pygame.K_UP: player.changespeed(0,-2) creep.changespeed(0,-2) if event.key == pygame.K_DOWN: player.changespeed(0,2) creep.changespeed(0,2) if event.key == pygame.K_ESCAPE: pauseGame() if event.key == pygame.K_1: global currentEditTool currentEditTool = "Tree" changeTool() if event.key == pygame.K_2: global currentEditTool currentEditTool = "Rock" changeTool() if event.type == pygame.KEYUP: if event.key == pygame.K_LEFT: player.changespeed(2,0) creep.changespeed(2,0) if event.key == pygame.K_RIGHT: player.changespeed(-2,0) creep.changespeed(-2,0) if event.key == pygame.K_UP: player.changespeed(0,2) creep.changespeed(0,2) if event.key == pygame.K_DOWN: player.changespeed(0,-2) creep.changespeed(0,-2) if event.type == pygame.MOUSEBUTTONDOWN and pygame.mouse.get_pressed()[0]: for creep in creeps: creep.mouse_click_event(pygame.mouse.get_pos()) if editMap == True: x,y = pygame.mouse.get_pos() if currentEditTool == "Tree": name = insertTree(x-10,y-25, 10 , 10, "tree") wall_list.add(name) wall_list.draw(screen) f = open('MapMaker.txt', "a+") image = pygame.image.load("images/map/tree.png").convert() screen.blit(image, (30,10)) pygame.display.flip() f.write(str(x) + "," + str(y) + ",790,10, tree\n") #f.write("wall=insertTree(" + str(x) + "," + str(y) + ",790,10)\nwall_list.add(wall)\n") elif currentEditTool == "Rock": name = insertRock(x-10,y-25, 10 , 10,"rock") wall_list.add(name) wall_list.draw(screen) f = open('MapMaker.txt', "a+") f.write(str(x) + "," + str(y) + ",790,10,rock\n") #f.write("wall=insertRock(" + str(x) + "," + str(y) + ",790,10)\nwall_list.add(wall)\n") else: None #pygame.display.flip() player.update(wall_list) movingsprites.draw(screen) wall_list.draw(screen) pygame.display.flip() clock.tick(60) pygame.quit()

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  • How to work RavenDB Id with ASP.NET MVC Routes

    - by shiju
    By default RavenDB's Id would be sperated by "/". Let's say that we have a category object, the Ids would be like "categories/1". This will make problems when working with ASP.NET MVC's route rule. For a route category/edit/id, the uri would be category/edit/categories/1. You can solve this problem in two waysSolution 1 - Change Id SeparatorWe can use different Id Separator for RavenDB Ids in order to working with ASP.NET MVC route rules. The following code specify that Ids would be seperated by "-" rather than the default "/"  documentStore = new DocumentStore { Url = "http://localhost:8080/" };  documentStore.Initialize();  documentStore.Conventions.IdentityPartsSeparator = "-"; The above IdentityPartsSeparator would be generate Ids like "categories-1"Solution 2 - Modify ASP.NET MVC Route Modify the ASP.NET MVC routes in the Global.asax.cs file, as shown in the following code  routes.MapRoute(     "WithParam",                                           // Route name     "{controller}/{action}/{*id}"                         // URL with parameters     );  We just put "*" in front of the id variable that will be working with the default Id separator of RavenDB

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  • SQL SERVER – Concurrency Basics – Guest Post by Vinod Kumar

    - by pinaldave
    This guest post is by Vinod Kumar. Vinod Kumar has worked with SQL Server extensively since joining the industry over a decade ago. Working on various versions from SQL Server 7.0, Oracle 7.3 and other database technologies – he now works with the Microsoft Technology Center (MTC) as a Technology Architect. Let us read the blog post in Vinod’s own voice. Learning is always fun when it comes to SQL Server and learning the basics again can be more fun. I did write about Transaction Logs and recovery over my blogs and the concept of simplifying the basics is a challenge. In the real world we always see checks and queues for a process – say railway reservation, banks, customer supports etc there is a process of line and queue to facilitate everyone. Shorter the queue higher is the efficiency of system (a.k.a higher is the concurrency). Every database does implement this using checks like locking, blocking mechanisms and they implement the standards in a way to facilitate higher concurrency. In this post, let us talk about the topic of Concurrency and what are the various aspects that one needs to know about concurrency inside SQL Server. Let us learn the concepts as one-liners: Concurrency can be defined as the ability of multiple processes to access or change shared data at the same time. The greater the number of concurrent user processes that can be active without interfering with each other, the greater the concurrency of the database system. Concurrency is reduced when a process that is changing data prevents other processes from reading that data or when a process that is reading data prevents other processes from changing that data. Concurrency is also affected when multiple processes are attempting to change the same data simultaneously. Two approaches to managing concurrent data access: Optimistic Concurrency Model Pessimistic Concurrency Model Concurrency Models Pessimistic Concurrency Default behavior: acquire locks to block access to data that another process is using. Assumes that enough data modification operations are in the system that any given read operation is likely affected by a data modification made by another user (assumes conflicts will occur). Avoids conflicts by acquiring a lock on data being read so no other processes can modify that data. Also acquires locks on data being modified so no other processes can access the data for either reading or modifying. Readers block writer, writers block readers and writers. Optimistic Concurrency Assumes that there are sufficiently few conflicting data modification operations in the system that any single transaction is unlikely to modify data that another transaction is modifying. Default behavior of optimistic concurrency is to use row versioning to allow data readers to see the state of the data before the modification occurs. Older versions of the data are saved so a process reading data can see the data as it was when the process started reading and not affected by any changes being made to that data. Processes modifying the data is unaffected by processes reading the data because the reader is accessing a saved version of the data rows. Readers do not block writers and writers do not block readers, but, writers can and will block writers. Transaction Processing A transaction is the basic unit of work in SQL Server. Transaction consists of SQL commands that read and update the database but the update is not considered final until a COMMIT command is issued (at least for an explicit transaction: marked with a BEGIN TRAN and the end is marked by a COMMIT TRAN or ROLLBACK TRAN). Transactions must exhibit all the ACID properties of a transaction. ACID Properties Transaction processing must guarantee the consistency and recoverability of SQL Server databases. Ensures all transactions are performed as a single unit of work regardless of hardware or system failure. A – Atomicity C – Consistency I – Isolation D- Durability Atomicity: Each transaction is treated as all or nothing – it either commits or aborts. Consistency: ensures that a transaction won’t allow the system to arrive at an incorrect logical state – the data must always be logically correct.  Consistency is honored even in the event of a system failure. Isolation: separates concurrent transactions from the updates of other incomplete transactions. SQL Server accomplishes isolation among transactions by locking data or creating row versions. Durability: After a transaction commits, the durability property ensures that the effects of the transaction persist even if a system failure occurs. If a system failure occurs while a transaction is in progress, the transaction is completely undone, leaving no partial effects on data. Transaction Dependencies In addition to supporting all four ACID properties, a transaction might exhibit few other behaviors (known as dependency problems or consistency problems). Lost Updates: Occur when two processes read the same data and both manipulate the data, changing its value and then both try to update the original data to the new value. The second process might overwrite the first update completely. Dirty Reads: Occurs when a process reads uncommitted data. If one process has changed data but not yet committed the change, another process reading the data will read it in an inconsistent state. Non-repeatable Reads: A read is non-repeatable if a process might get different values when reading the same data in two reads within the same transaction. This can happen when another process changes the data in between the reads that the first process is doing. Phantoms: Occurs when membership in a set changes. It occurs if two SELECT operations using the same predicate in the same transaction return a different number of rows. Isolation Levels SQL Server supports 5 isolation levels that control the behavior of read operations. Read Uncommitted All behaviors except for lost updates are possible. Implemented by allowing the read operations to not take any locks, and because of this, it won’t be blocked by conflicting locks acquired by other processes. The process can read data that another process has modified but not yet committed. When using the read uncommitted isolation level and scanning an entire table, SQL Server can decide to do an allocation order scan (in page-number order) instead of a logical order scan (following page pointers). If another process doing concurrent operations changes data and move rows to a new location in the table, the allocation order scan can end up reading the same row twice. Also can happen if you have read a row before it is updated and then an update moves the row to a higher page number than your scan encounters later. Performing an allocation order scan under Read Uncommitted can cause you to miss a row completely – can happen when a row on a high page number that hasn’t been read yet is updated and moved to a lower page number that has already been read. Read Committed Two varieties of read committed isolation: optimistic and pessimistic (default). Ensures that a read never reads data that another application hasn’t committed. If another transaction is updating data and has exclusive locks on data, your transaction will have to wait for the locks to be released. Your transaction must put share locks on data that are visited, which means that data might be unavailable for others to use. A share lock doesn’t prevent others from reading but prevents them from updating. Read committed (snapshot) ensures that an operation never reads uncommitted data, but not by forcing other processes to wait. SQL Server generates a version of the changed row with its previous committed values. Data being changed is still locked but other processes can see the previous versions of the data as it was before the update operation began. Repeatable Read This is a Pessimistic isolation level. Ensures that if a transaction revisits data or a query is reissued the data doesn’t change. That is, issuing the same query twice within a transaction cannot pickup any changes to data values made by another user’s transaction because no changes can be made by other transactions. However, this does allow phantom rows to appear. Preventing non-repeatable read is a desirable safeguard but cost is that all shared locks in a transaction must be held until the completion of the transaction. Snapshot Snapshot Isolation (SI) is an optimistic isolation level. Allows for processes to read older versions of committed data if the current version is locked. Difference between snapshot and read committed has to do with how old the older versions have to be. It’s possible to have two transactions executing simultaneously that give us a result that is not possible in any serial execution. Serializable This is the strongest of the pessimistic isolation level. Adds to repeatable read isolation level by ensuring that if a query is reissued rows were not added in the interim, i.e, phantoms do not appear. Preventing phantoms is another desirable safeguard, but cost of this extra safeguard is similar to that of repeatable read – all shared locks in a transaction must be held until the transaction completes. In addition serializable isolation level requires that you lock data that has been read but also data that doesn’t exist. Ex: if a SELECT returned no rows, you want it to return no. rows when the query is reissued. This is implemented in SQL Server by a special kind of lock called the key-range lock. Key-range locks require that there be an index on the column that defines the range of values. If there is no index on the column, serializable isolation requires a table lock. Gets its name from the fact that running multiple serializable transactions at the same time is equivalent of running them one at a time. Now that we understand the basics of what concurrency is, the subsequent blog posts will try to bring out the basics around locking, blocking, deadlocks because they are the fundamental blocks that make concurrency possible. Now if you are with me – let us continue learning for SQL Server Locking Basics. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Performance, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology Tagged: Concurrency

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  • CodePlex Daily Summary for Wednesday, May 12, 2010

    CodePlex Daily Summary for Wednesday, May 12, 2010New ProjectsAMP (Adamo Media Player): AMP is a custom media player that specializes in large media collections! Change the way you manage your media!BoogiePartners: BoogiePartners provides a loose collection of utilities or extensions for Boogie and SpecSharp developers.C# Developer Utility Library: Collection of helpful code functions including zero-config rolling file logging, parameter validation, reflection & object construction, I18N count...Commerce Server 2009 Orders using Pipelines in a Console Application: Using Commerce Server 2009 outside of a Web Application this project show how to create dummy Orders using Pipelines in a NON WEB CONTEXT, an examp...CRM Queue Manager C#: CRM 4 Queue Manager written in C#. Based on the original VB.Net CRM Queue Manager with some changes, additions and feature changes. Converts emai...DbBuilder: This is a tool indended for creation of MS SQL database from scratch, incremental updates, management of redeployable objects, etc. using scripted ...DbNetData: A collection of cross vendor database interface classes for .NET written in C# providing a consistent and simplified way of accessing SQL Server,Or...Deploy Workflow Manager: Kick off a workflow associated with a SharePoint List on all list items at once. SharePoint Designer Workflows will also be included. This projec...DigiLini - digital on screen ruler: Handy desktop tool for everyone who does ever do something graphical on his computer. There is an sizable horizontal and vertial ruler. You can pos...Dynamic Grid Data Type for Umbraco: The Dynamic Grid Data Type for Umbraco is a custom ASCX/C# control that was created to store tabular data as an Umbraco "Data Type". There's an abi...FlashPlus: An extension for Google Chrome and a bookmarklet for Internet Explorer and Firefox, this project makes media content on browsers more usable. This...Flat Database: Simple project making it really quick and easy, to implement a simple flat-file database for an application.Flood Watch Spam Control: Flood watch is a C# based application meant to help prevent site black listings. This application monitors outbound smtp streams, if a stream excee...Gamebox: gameboxKill Bill: Kill Bill covers the areas of customers, suppliers, products, sales and administration divided into modules which together form the system for the ...KND Decoder: Der KND Decoder konvertiert die lästigen Zahlenwerte, in den Java Dateien vom Knuddels Applet, zu lesbaren Strings. Die neue dekodier Methode wurde...Moonbeam: D3D11 FrameworkSite Defender: Add-on for blogs or anywhere else there could be people spamming your website.sMODfix: -Stringzilla: A string formatting classes designed for .NET 4 to enable named string formatting and conditional string formatting options based upon bound data c...The CQRS Kitchen: The CQRS Kitchen is an example application build with Silverlight 4 that demonstrates how to implement a CQRS / Event Sourcing application with the...XELF Framework for XNA / .NET: XELF Framework for XNA / .NET  XNA Game Studioおよび.NET Framework用のライブラリ・フレームワークとしてXELFが開発したC#ソースコードを含むプロジェクトです。  現在は、「XELF.Framework」のWindows用XNA G...xxxxxxxxx: xxxxxxxNew ReleasesASP.NET MVC 2 - CommonLibrary.CMS: CommonLibrary CMS - Alpha: CommonLibrary CMSA simple yet powerful CMS system in ASP.NET MVC 2 using C# 3.5. ActiveRecord based support for Blogs, Widgets, Pages, Parts, Ev...ASP.NET MVC Extensions: v1.0 RTM: v1.0 RTMAWS SimpleDB Browser: Release 2: Miscellaneous fixes from the Alpha release. Built to work with the released version of the .Net Framework 4.0.BIDS Helper: 1.4.3.0: This release addresses the following issues: For some people the BIDS Helper extensions to the Project Properties page for the SSIS Deploy plugin w...Bojinx: Bojinx Core V4.5.13: Fixes / Enhancements: Sequencer now accepts Commands directly without using events. Command queue now accepts both events and commands EventBu...CF-Soft: TestCases_DROP1: TestCases_DROP1CodePlex Runtime Intelligence Integration: PreEmptive.Attributes distributable: Contains a signed redistributable version of the PreEmptive.Attributes.dll library that non .NET 4 applications can use support in-code instrumenta...Convection Game Engine (Basic Edition): Convection Basic (44772): Compiled version of Convection Basic change set 44772.CRM Queue Manager C#: Initial release: Initial release of the CRM Queue Manager in C#. Release includes both the installer as well as the latest source code in zippped format. Running...DbNetData: DbNetData.1.0: Initial releaseDigiLini - digital on screen ruler: DigiLini 1.0: First stable version.Facturator - Create invoices easy and fast: Facturator.zip: current stable versionFlat Database: Initial Release: This is the working initial release of FlatDBKharaPOS: MSDN Magazine Sample: This is the release that supports the MSDN magazine article "Enterprise Patterns with WCF RIA Services. Some of the project was affected by the upg...Let's Up: 1.1 (Build 100511): - Add short and long break feature.Mesopotamia Experiment: Mesopotamia 1.2.88: Primarly bug fixes... Bug Fixes - fixed bug in synapse mutating whereby new ones were of one side only eg, source or target - fixed bug in screen ...NodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Class Libraries, version 1.0.1.123: The NodeXL class libraries can be used to display network graphs in .NET applications. To include a NodeXL network graph in a WPF desktop or Windo...NodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Excel 2007 Template, version 1.0.1.123: The NodeXL Excel 2007 template displays a network graph using edge and vertex lists stored in an Excel 2007 workbook. What's NewThis version makes...Over Store: OverStore 1.18.0.0: Version number is increased. New callback events added: Persisting and Persisted, which are raised on actually writing object data into the stora...Reusable Library: V1.0.7: A collection of reusable abstractions for enterprise application developerReusable Library Demo: V1.0.5: A demonstration of reusable abstractions for enterprise application developerRuntime Intelligence Endpoint Starter Kit: Runtime Intelligence Endpoint Starter Kit 20100511: Added crossdomain policy files so Silverlight applications can send usage data from anywhere.Scorm2CC: SCORM2CC Release 0.12.0.58711 net-2.0 Alpha: SCORM2CC Release 0.12.0.58711 net-2.0 AlphaShake - C# Make: Shake v0.1.14: Updated API to match with the current documentation.SharePoint LogViewer: SharePoint Log Viewer 2.6: This is a maintenance release. It has bug several fixes.Site Directory for SharePoint 2010 (from Microsoft Consulting Services, UK): v1.4: As 1.3 with the following changes Addition of a 'Site Data' webpart Site Directory can now be a site collection root or sub-site Scan job now ...sMODfix: sMODfix v1.0: Basic Versionsmtp4dev: smtp4dev 2.0: Smtp4dev 2.0 is powered by a completely re-written server component and now offers SSL/TLS and AUTH support.SocialScapes: SocialScapes Sidebar 1.0: The SocialScapes Sidebar is the first release of the new SocialScapes suite. There will be more modules to come along with a complete data aggrega...SSIS Multiple Hash: Multiple Hash V1.2: This is version 1.2 of the Multiple Hash SSIS Component. It supports SQL 2005 and SQL 2008, although you have to download the correct install pack...Surfium: Beta build: Somehow testedTerminals: Terminals 1.9a - RDP6 Support: The major change in this release is that Terminals has been upgraded to require RDP Client 6 to be installed for creating RDP connections. Backward...TFS Compare: Release 3.0: This release provides a new feature - the ability to navigate back and forth between document differences. Also, this release provides support for...VCC: Latest build, v2.1.30511.0: Automatic drop of latest buildyoutubeFisher: youtubeFisher v2.0: What's new new method of youtube parameters capturing HD 720p video support full-HD 1080p video support add Cancel option to stop file downl...Most Popular ProjectsWBFS ManagerRawrAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)patterns & practices – Enterprise LibraryMicrosoft SQL Server Community & SamplesPHPExcelASP.NETMost Active Projectspatterns & practices – Enterprise LibraryMirror Testing SystemRawrThe Information Literacy Education Learning Environment (ILE)Caliburn: An Application Framework for WPF and SilverlightwhiteBlogEngine.NETPHPExceljQuery Library for SharePoint Web ServicesTweetSharp

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  • Is there a way to track data structure dependencies from the database, through the tiers, all the way out to a web page?

    - by Sean Mickey
    When we design applications, we generally end up with the same tiered sets of data structures: A persistent data structure that is described using DDL and implemented as RDBMS tables and columns. A set of domain objects that consist primarily of data structures, usually combined with business-rule level logic, that are implemented in a programming language such as Java. A set of service layer interfaces that directly support use case implementations (which use the domain data structures as parameters), implemented as EJBs or something equivalent in another programming language. UI screens that allow users to C reate, R etrieve, U pdate, and (maybe) D elete all manner of data structures and graphs of data structures, with numerous screens and with multiple UI widgets, all structured to support the same data structures. But if you want to change the data structures in any of these tiers, it always seems extremely difficult to assess the impact(s) the change will have across the application. UML can help, but tracing through diagram after diagram is not a real solution to this problem. The best I have ever seen was a homespun data tracking spreadsheet document that listed all of the data structures and walked the relationships from tier-to-tier. Is there a tool or accepted approach that makes it easy to identify a data structure in any tier and easily obtain a list of all dependent: database table and column data structures domain object data structures service layer interface methods and parameter data structures screen & UI component data structures

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  • New Skool Crosstabbing

    - by Tim Dexter
    A while back I spoke about having to go back to BIP's original crosstabbing solution to achieve a certain layout. Hok Min has provided a 'man' page for the new crosstab/pivot builder for 10.1.3.4.1 users. This will make the documentation drop but for now, get it here! The old, hand method is still available but this new approach, is more efficient and flexible. That said you may need to get into the crosstab code to tweak it where the crosstab dialog can not help. I had to do this, this week but more on that later. The following explains how the crosstab wizard builds the crosstab and what the fields inside the resulting template structure are there for. To create the crosstab a new XDO command "<?crosstab:...?>" has been created. XDO Command: <?crosstab: ctvarname; data-element; rows; columns; measures; aggregation?> Parameter Description Example Ctvarname Crosstab variable name. This is automatically generated by the Add-in. C123 data-element This is the XML data element that contains the data. "//ROW" Rows This contains a list of XML elements for row headers. The ordering information is specified within "{" and "}". The first attribute is the sort element. Leaving it blank means the sort element is the same as the row header element. The attribute "o" means order. Its value can be "a" for ascending, or "d" for descending. The attribute "t" means type. Its value can be "t" for text, and "n" for numeric. There can be more than one sort elements, example: "emp-full-name {emp-lastname,o=a,t=n}{emp-firstname,o=a,t=n}. This will sort employee by last name and first name. "Region{,o=a,t=t}, District{,o=a,t=t}" In the example, the first row header is "Region". It is sort by "Region", order is ascending, and type is text. The second row header is "District". It is sort by "District", order is ascending, and type is text. Columns This contains a list of XML elements for columns headers. The ordering information is specified within "{" and "}". The first attribute is the sort element. Leaving it blank means the sort element is the same as the column header element. The attribute "o" means order. Its value can be "a" for ascending, or "d" for descending. The attribute "t" means type. Its value can be "t" for text, and "n" for numeric. There can be more than one sort elements, example: "emp-full-name {emp-lastname,o=a,t=n}{emp-firstname,o=a,t=n}. This will sort employee by last name and first name. "ProductsBrand{,o=a,t=t}, PeriodYear{,o=a,t=t}" In the example, the first column header is "ProductsBrand". It is sort by "ProductsBrand", order is ascending, and type is text. The second column header is "PeriodYear". It is sort by "District", order is ascending, and type is text. Measures This contains a list of XML elements for measures. "Revenue, PrevRevenue" Aggregation The aggregation function name. Currently, we only support "sum". "sum" Using the Oracle BI Publisher Template Builder for Word add-in, we are able to construct the following Pivot Table: The generated XDO command for this Pivot Table is as follow: <?crosstab:c547; "//ROW";"Region{,o=a,t=t}, District{,o=a,t=t}"; "ProductsBrand{,o=a,t=t},PeriodYear{,o=a,t=t}"; "Revenue, PrevRevenue";"sum"?> Running the command on the give XML data files generates this XML file "cttree.xml". Each XPath in the "cttree.xml" is described in the following table. Element XPath Count Description C0 /cttree/C0 1 This contains elements which are related to column. C1 /cttree/C0/C1 4 The first level column "ProductsBrand". There are four distinct values. They are shown in the label H element. CS /cttree/C0/C1/CS 4 The column-span value. It is used to format the crosstab table. H /cttree/C0/C1/H 4 The column header label. There are four distinct values "Enterprise", "Magicolor", "McCloskey" and "Valspar". T1 /cttree/C0/C1/T1 4 The sum for measure 1, which is Revenue. T2 /cttree/C0/C1/T2 4 The sum for measure 2, which is PrevRevenue. C2 /cttree/C0/C1/C2 8 The first level column "PeriodYear", which is the second group-by key. There are two distinct values "2001" and "2002". H /cttree/C0/C1/C2/H 8 The column header label. There are two distinct values "2001" and "2002". Since it is under C1, therefore the total number of entries is 4 x 2 => 8. T1 /cttree/C0/C1/C2/T1 8 The sum for measure 1 "Revenue". T2 /cttree/C0/C1/C2/T2 8 The sum for measure 2 "PrevRevenue". M0 /cttree/M0 1 This contains elements which are related to measures. M1 /cttree/M0/M1 1 This contains summary for measure 1. H /cttree/M0/M1/H 1 The measure 1 label, which is "Revenue". T /cttree/M0/M1/T 1 The sum of measure 1 for the entire xpath from "//ROW". M2 /cttree/M0/M2 1 This contains summary for measure 2. H /cttree/M0/M2/H 1 The measure 2 label, which is "PrevRevenue". T /cttree/M0/M2/T 1 The sum of measure 2 for the entire xpath from "//ROW". R0 /cttree/R0 1 This contains elements which are related to row. R1 /cttree/R0/R1 4 The first level row "Region". There are four distinct values, they are shown in the label H element. H /cttree/R0/R1/H 4 This is row header label for "Region". There are four distinct values "CENTRAL REGION", "EASTERN REGION", "SOUTHERN REGION" and "WESTERN REGION". RS /cttree/R0/R1/RS 4 The row-span value. It is used to format the crosstab table. T1 /cttree/R0/R1/T1 4 The sum of measure 1 "Revenue" for each distinct "Region" value. T2 /cttree/R0/R1/T2 4 The sum of measure 1 "Revenue" for each distinct "Region" value. R1C1 /cttree/R0/R1/R1C1 16 This contains elements from combining R1 and C1. There are 4 distinct values for "Region", and four distinct values for "ProductsBrand". Therefore, the combination is 4 X 4 è 16. T1 /cttree/R0/R1/R1C1/T1 16 The sum of measure 1 "Revenue" for each combination of "Region" and "ProductsBrand". T2 /cttree/R0/R1/R1C1/T2 16 The sum of measure 2 "PrevRevenue" for each combination of "Region" and "ProductsBrand". R1C2 /cttree/R0/R1/R1C1/R1C2 32 This contains elements from combining R1, C1 and C2. There are 4 distinct values for "Region", and four distinct values for "ProductsBrand", and two distinct values of "PeriodYear". Therefore, the combination is 4 X 4 X 2 è 32. T1 /cttree/R0/R1/R1C1/R1C2/T1 32 The sum of measure 1 "Revenue" for each combination of "Region", "ProductsBrand" and "PeriodYear". T2 /cttree/R0/R1/R1C1/R1C2/T2 32 The sum of measure 2 "PrevRevenue" for each combination of "Region", "ProductsBrand" and "PeriodYear". R2 /cttree/R0/R1/R2 18 This contains elements from combining R1 "Region" and R2 "District". Since the list of values in R2 has dependency on R1, therefore the number of entries is not just a simple multiplication. H /cttree/R0/R1/R2/H 18 The row header label for R2 "District". R1N /cttree/R0/R1/R2/R1N 18 The R2 position number within R1. This is used to check if it is the last row, and draw table border accordingly. T1 /cttree/R0/R1/R2/T1 18 The sum of measure 1 "Revenue" for each combination "Region" and "District". T2 /cttree/R0/R1/R2/T2 18 The sum of measure 2 "PrevRevenue" for each combination of "Region" and "District". R2C1 /cttree/R0/R1/R2/R2C1 72 This contains elements from combining R1, R2 and C1. T1 /cttree/R0/R1/R2/R2C1/T1 72 The sum of measure 1 "Revenue" for each combination of "Region", "District" and "ProductsBrand". T2 /cttree/R0/R1/R2/R2C1/T2 72 The sum of measure 2 "PrevRevenue" for each combination of "Region", "District" and "ProductsBrand". R2C2 /cttree/R0/R1/R2/R2C1/R2C2 144 This contains elements from combining R1, R2, C1 and C2, which gives the finest level of details. M1 /cttree/R0/R1/R2/R2C1/R2C2/M1 144 The sum of measure 1 "Revenue". M2 /cttree/R0/R1/R2/R2C1/R2C2/M2 144 The sum of measure 2 "PrevRevenue". Lots to read and digest I know! Customization One new feature I discovered this week is the ability to show one column and sort by another. I had a data set that was extracting month abbreviations, we wanted to show the months across the top and some row headers to the side. As you may know XSL is not great with dates, especially recognising month names. It just wants to sort them alphabetically, so Apr comes before Jan, etc. A way around this is to generate a month number alongside the month and use that to sort. We can do that in the crosstab, sadly its not exposed in the UI yet but its doable. Go back up and take a look a the initial crosstab command. especially the Rows and Columns entries. In there you will find the sort criteria. "ProductsBrand{,o=a,t=t}, PeriodYear{,o=a,t=t}" Notice those leading commas inside the curly braces? Because there is no field preceding them it means that the crosstab should sort on the column before the brace ie PeriodYear. But you can insert another column in the data set to sort by. To get my sort working how I needed. <?crosstab:c794;"current-group()";"_Fund_Type_._Fund_Type_Display_{_Fund_Type_._Fund_Type_Sort_,o=a,t=n}";"_Fiscal_Period__Amount__._Amt_Fm_Disp_Abbr_{_Fiscal_Period__Amount__._Amt_Fiscal_Month_Sort_,o=a,t=n}";"_Execution_Facts_._Amt_";"sum"?> Excuse the horribly verbose XML tags, good ol BIEE :0) The emboldened columns are not in the crosstab but are in the data set. I just opened up the field, dropped them in and changed the type(t) value to be 'n', for number, instead of the default 'a' and my crosstab started sorting how I wanted it. If you find other tips and tricks, please share in the comments.

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  • Why are data structures so important in interviews?

    - by Vamsi Emani
    I am a newbie into the corporate world recently graduated in computers. I am a java/groovy developer. I am a quick learner and I can learn new frameworks, APIs or even programming languages within considerably short amount of time. Albeit that, I must confess that I was not so strong in data structures when I graduated out of college. Through out the campus placements during my graduation, I've witnessed that most of the biggie tech companies like Amazon, Microsoft etc focused mainly on data structures. It appears as if data structures is the only thing that they expect from a graduate. Adding to this, I see that there is this general perspective that a good programmer is necessarily a one with good knowledge about data structures. To be honest, I felt bad about that. I write good code. I follow standard design patterns of coding, I do use data structures but at the superficial level as in java exposed APIs like ArrayLists, LinkedLists etc. But the companies usually focused on the intricate aspects of Data Structures like pointer based memory manipulation and time complexities. Probably because of my java-ish background, Back then, I understood code efficiency and logic only when talked in terms of Object Oriented Programming like Objects, instances, etc but I never drilled down into the level of bits and bytes. I did not want people to look down upon me for this knowledge deficit of mine in Data Structures. So really why all this emphasis on Data Structures? Does, Not having knowledge in Data Structures really effect one's career in programming? Or is the knowledge in this subject really a sufficient basis to differentiate a good and a bad programmer?

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  • CodePlex Daily Summary for Thursday, March 04, 2010

    CodePlex Daily Summary for Thursday, March 04, 2010New ProjectsAcPrac: A educational program designed to run on Windows. It is fully customizable. It is developed in C# 2008.argo: Linguistic Tool Camelot: A simple utility for testing cross site data queries in SharePointdelta: Delta is a difference tool for large files. Delta will have several clients, including AJAX and Silverlight. You can view differences in a scroll...EF Dorsal: A dorsal spine for Entity Framework based project. This code generator provides a powerfull Business Layer with almost all high important best p...Excel formatting: Excel formatting projectEyes Recognition: eye recognitionGameOfLife: The Game of Life is a the best example of a cellular automaton. It's developed in C#, SilverLight.GKO Libraries: .NET tool libraries written in C# that we have used in our projectsHello Demo: A simple Hello World application, used to demonstrate access to CodePlex using Team Explorerjog.Portal: jogportal lays the foundation for an extensible portal solution leveraging the latest technology including linq and silver lightKM Brasil: k-meleon, km, gecko, brasil, browser, web, web browser, navegador, navegação, kmeleon, k meleonLost in Translation: Ever find yourself in a foreign country eager (or clueless) to what is written on a shop sign or restaurant menu? With your trusty phone, its came...Machine Learning for .NET: Machine Learning Library for .NET. Initial inclusions will be binary and multi-class classification as well as standard clustering algorithms.Maito: Iron Kingdoms Name GeneratorManPowerEngine: ManPowerEngine is a Silverlight 2D Game Engine. It has an game application framework and supports game object hierarchy management, 2D physics simu...Marvin's Arena: Marvin's Arena is a free and entertaining programming game. The game is designed to easily learn programming in any .NET compatible language. It is...MultiMediaPlayer: 整合我们的内容NCacheD - A Simple Distributed .NET Cache using the TPL and WCF: NCacheD is a simple distributed cache system written in .NET. NCacheD offers functionality similar to that of MemcacheD but scaled back. NCacheD ...NDAP: OPeNDAP is a client/server system for making local scientific data accessible to remote locations without regard to the local or remote storage for...Open Guide CMS: Open Guide makes your traveling through city more adventurous, mode educational and more funny. You can support us by lines of code, by interesti...Rollback - A social backup tool.: Rollback is a simple and intuitive social backup application. You can create multiple backup jobs with a few mouse clicks and even schedule it to ...sELedit: An editor for elements.data file of the popular MMORPG Perfect World.SharePoint Theme Applicator: SharePoint Theme Applicator will give SharePoint administrators the ability to apply a theme accross a whole web application (i.e. apply a theme to...sPATCH: ! sPATCH - Perfect World Client Autopatcher This beta patcher is an alternative to the default perfect world patcher. It offers easy client patc...Wiggle: A-life investigation. Let's make little squirmies!WPFSLBlendModeFx: A blend mode library for WPF & Silverlight.休息提醒: 程序员们,尤其是像我这样对程序痴狂的程序员们。一旦研究起自己感兴趣的程序时,觉得上厕所都是浪费时间。 这个程序是在设定的时间后锁定计算机或关闭显示器,从而从某种程度强迫程序员们去休息New ReleasesAMFParser: 1.1.0: Add handling of DSK object when using BlazeDS Add handling of string references Add handling of DateTime values Correct handling of Double values B...Camelot: Camelot 0.1 Alpha: Early release: 1) Query by content type, optionally list or base template 2) Query by list or base templateDictionary Translator for Umbraco: Dictionary Translator 1.1: This is a minor release that fixes a bug that Thomas Hohler found on the first day of release This package is to be used with the ASP.NET open sou...Dynamic Configuration: Sample Application Release 1: These binaries demonstrate the effect of using DynamicConfigurationManager. The source-code for these binaries is available in the 'Source Code' t...EF Dorsal: EFDorsal v0.3b: Second real version. This version add suport to types and entity sets in tree-view.Enterprise Library Extensions: Release 1.0: This is the initial release of the package. The release will contain one feature only, as being able to deploy the project itself it the milestone ...Free Silverlight & WPF Chart Control - Visifire: Visifire SL and WPF Charts v3.0.4 beta 2 Released: Hi, Today’s release contains fix for the following issues: * In WPF application chart was throwing exception as VisualStateGroup was not foun...GameOfLife: Game of life: First release of the game. PublishedGameStore League Manager: League Manager 1.0 release 2.: Fixes crashing bugs from the first release. To use: 1. Install SQL Server Express 2005 http://www.microsoft.com/Sqlserver/2005/en/us/express-down....Marvin's Arena: Version 0.0.5.0: Code Editor (development of robots without Visual Studio - no debugging) * Rounds * 3D Battle Engine: Skybox * 3D Battle Engine: Robot...Morphfolia - ASP.NET CMS and Framework: Morphfolia v2.4.1.1: Morphfolia v2.4.1.1 - New Release Includes: Better support for browsers other than IE (Chrome, Firefox, Safari - all tested on Windows) Supports ...NCacheD - A Simple Distributed .NET Cache using the TPL and WCF: NCacheD Version 1: Getting Started To get up and running, open two instances of Visual Studio 2010. In one window open the NCacheD client solution and then open the ...Papercut: Papercut 2010-3-3: This release includes a few bug fixes and updates, several of which were contributed patches (thanks!). Feature: Added support for embedded images...PE-file Reader Writer API (PERWAPI): PERWAPI-1.1.4: Perwapi version 1.1.4 is the complete distribution package. It contains Binary files, pdb files and xml files for the PERWAPI and SymbolRW compone...Prolog.NET: Prolog.NET 1.0 Beta 1.2: Installer includes: primary Prolog.NET assembly Prolog.NET Workbench PrologTest console application all required dependencies Beta 1.2 in...Protoforma | Tactica Adversa: Skilful 0.2.4.320: BetaRoTwee: RoTwee 6.1.0.0: 16604 "Post playing tune feature" is added. Using this new feature, you can tweet tune playing in iTunes. 16625 Error processing for network error...sELedit: sELedit v1.0: -SharePoint 2007 Deployment Wizard: Support for SharePoint Server and Foundation 2010: This release encompasses the supported install paths for the default install of SPS 2010 (the 14 hive). All three versions are now supported (60 h...SharePoint Theme Applicator: SharePoint Theme Applicator: SharePoint Theme Applicator was built using C# and WPF, it includes the following features: Provides the total number of site collections in the g...Shinkansen: compress, crunch, combine, and cache JavaScript and CSS: Shinkansen 1.0.0.030310: Build 1.0.0.030310, binaries onlysPATCH: sPatcher v0.8: sPatch - Server Example *Contains a sample Patch that "downgrades" PWI 1.4.2 Client to an 1.3.6 ClientTFS Code Comment Checking Policy (CCCP): CCCP 3.0 for VSTS 2008 SP1: This release includes NRefactory 3.2.0.5571 and is built against VSTS 2008 SP1 (.NET 3.5 is required). New: horizontal scrollbar in listboxes for ...TortoiseHg: Beta for TortoiseHg 1.0 (0.9.31254): Please backup your user Mercurial.ini file and then uninstall any 0.9.X release before installing Use the x86 msi file for 32 bit platforms and th...TwitEclipseAPI: TwitEclipseAPI 0.9: 0.9 Release of TwitEclipseAPI Moved API calls to the api.Twitter.com URL. Moved API calls to the versioning API. Now uses the increased Rate Limit...TwitterVB - A .NET Twitter Library: TwitterVB-2.3: Patch 5151: Added BlockedUsers function to get a page other then the first Patch 5420: The ListMembers function will now return more then just th...休息提醒: 初始版本: 初始版本Most Popular ProjectsMetaSharpRawrWBFS ManagerAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)Microsoft SQL Server Community & SamplesASP.NETLiveUpload to FacebookMost Active ProjectsRawrBlogEngine.NETMapWindow GISpatterns & practices – Enterprise LibraryjQuery Library for SharePoint Web ServicesMDT Web FrontEndsvn2tfsDiffPlex - a .NET Diff GeneratorIonics Isapi Rewrite FilterFarseer Physics Engine

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  • April 2013 Release of the Ajax Control Toolkit

    - by Stephen.Walther
    I’m excited to announce the April 2013 release of the Ajax Control Toolkit. For this release, we focused on improving two controls: the AjaxFileUpload and the MaskedEdit controls. You can download the latest release from CodePlex at http://AjaxControlToolkit.CodePlex.com or, better yet, you can execute the following NuGet command within Visual Studio 2010/2012: There are three builds of the Ajax Control Toolkit: .NET 3.5, .NET 4.0, and .NET 4.5. A Better AjaxFileUpload Control We completely rewrote the AjaxFileUpload control for this release. We had two primary goals. First, we wanted to support uploading really large files. In particular, we wanted to support uploading multi-gigabyte files such as video files or application files. Second, we wanted to support showing upload progress on as many browsers as possible. The previous version of the AjaxFileUpload could show upload progress when used with Google Chrome or Mozilla Firefox but not when used with Apple Safari or Microsoft Internet Explorer. The new version of the AjaxFileUpload control shows upload progress when used with any browser. Using the AjaxFileUpload Control Let me walk-through using the AjaxFileUpload in the most basic scenario. And then, in following sections, I can explain some of its more advanced features. Here’s how you can declare the AjaxFileUpload control in a page: <ajaxToolkit:ToolkitScriptManager runat="server" /> <ajaxToolkit:AjaxFileUpload ID="AjaxFileUpload1" AllowedFileTypes="mp4" OnUploadComplete="AjaxFileUpload1_UploadComplete" runat="server" /> The exact appearance of the AjaxFileUpload control depends on the features that a browser supports. In the case of Google Chrome, which supports drag-and-drop upload, here’s what the AjaxFileUpload looks like: Notice that the page above includes two Ajax Control Toolkit controls: the AjaxFileUpload and the ToolkitScriptManager control. You always need to include the ToolkitScriptManager with any page which uses Ajax Control Toolkit controls. The AjaxFileUpload control declared in the page above includes an event handler for its UploadComplete event. This event handler is declared in the code-behind page like this: protected void AjaxFileUpload1_UploadComplete(object sender, AjaxControlToolkit.AjaxFileUploadEventArgs e) { // Save uploaded file to App_Data folder AjaxFileUpload1.SaveAs(MapPath("~/App_Data/" + e.FileName)); } This method saves the uploaded file to your website’s App_Data folder. I’m assuming that you have an App_Data folder in your project – if you don’t have one then you need to create one or you will get an error. There is one more thing that you must do in order to get the AjaxFileUpload control to work. The AjaxFileUpload control relies on an HTTP Handler named AjaxFileUploadHandler.axd. You need to declare this handler in your application’s root web.config file like this: <configuration> <system.web> <compilation debug="true" targetFramework="4.5" /> <httpRuntime targetFramework="4.5" maxRequestLength="42949672" /> <httpHandlers> <add verb="*" path="AjaxFileUploadHandler.axd" type="AjaxControlToolkit.AjaxFileUploadHandler, AjaxControlToolkit"/> </httpHandlers> </system.web> <system.webServer> <validation validateIntegratedModeConfiguration="false"/> <handlers> <add name="AjaxFileUploadHandler" verb="*" path="AjaxFileUploadHandler.axd" type="AjaxControlToolkit.AjaxFileUploadHandler, AjaxControlToolkit"/> </handlers> <security> <requestFiltering> <requestLimits maxAllowedContentLength="4294967295"/> </requestFiltering> </security> </system.webServer> </configuration> Notice that the web.config file above also contains configuration settings for the maxRequestLength and maxAllowedContentLength. You need to assign large values to these configuration settings — as I did in the web.config file above — in order to accept large file uploads. Supporting Chunked File Uploads Because one of our primary goals with this release was support for large file uploads, we added support for client-side chunking. When you upload a file using a browser which fully supports the HTML5 File API — such as Google Chrome or Mozilla Firefox — then the file is uploaded in multiple chunks. You can see chunking in action by opening F12 Developer Tools in your browser and observing the Network tab: Notice that there is a crazy number of distinct post requests made (about 360 distinct requests for a 1 gigabyte file). Each post request looks like this: http://localhost:24338/AjaxFileUploadHandler.axd?contextKey={DA8BEDC8-B952-4d5d-8CC2-59FE922E2923}&fileId=B7CCE31C-6AB1-BB28-2940-49E0C9B81C64 &fileName=Sita_Sings_the_Blues_480p_2150kbps.mp4&chunked=true&firstChunk=false Each request posts another chunk of the file being uploaded. Notice that the request URL includes a chunked=true parameter which indicates that the browser is breaking the file being uploaded into multiple chunks. Showing Upload Progress on All Browsers The previous version of the AjaxFileUpload control could display upload progress only in the case of browsers which fully support the HTML5 File API. The new version of the AjaxFileUpload control can display upload progress in the case of all browsers. If a browser does not fully support the HTML5 File API then the browser polls the server every few seconds with an Ajax request to determine the percentage of the file that has been uploaded. This technique of displaying progress works with any browser which supports making Ajax requests. There is one catch. Be warned that this new feature only works with the .NET 4.0 and .NET 4.5 versions of the AjaxControlToolkit. To show upload progress, we are taking advantage of the new ASP.NET HttpRequest.GetBufferedInputStream() and HttpRequest.GetBufferlessInputStream() methods which are not supported by .NET 3.5. For example, here is what the Network tab looks like when you use the AjaxFileUpload with Microsoft Internet Explorer: Here’s what the requests in the Network tab look like: GET /WebForm1.aspx?contextKey={DA8BEDC8-B952-4d5d-8CC2-59FE922E2923}&poll=1&guid=9206FF94-76F9-B197-D1BC-EA9AD282806B HTTP/1.1 Notice that each request includes a poll=1 parameter. This parameter indicates that this is a polling request to get the size of the file buffered on the server. Here’s what the response body of a request looks like when about 20% of a file has been uploaded: Buffering to a Temporary File When you upload a file using the AjaxFileUpload control, the file upload is buffered to a temporary file located at Path.GetTempPath(). When you call the SaveAs() method, as we did in the sample page above, the temporary file is copied to a new file and then the temporary file is deleted. If you don’t call the SaveAs() method, then you must ensure that the temporary file gets deleted yourself. For example, if you want to save the file to a database then you will never call the SaveAs() method and you are responsible for deleting the file. The easiest way to delete the temporary file is to call the AjaxFileUploadEventArgs.DeleteTemporaryData() method in the UploadComplete handler: protected void AjaxFileUpload1_UploadComplete(object sender, AjaxControlToolkit.AjaxFileUploadEventArgs e) { // Save uploaded file to a database table e.DeleteTemporaryData(); } You also can call the static AjaxFileUpload.CleanAllTemporaryData() method to delete all temporary data and not only the temporary data related to the current file upload. For example, you might want to call this method on application start to ensure that all temporary data is removed whenever your application restarts. A Better MaskedEdit Extender This release of the Ajax Control Toolkit contains bug fixes for the top-voted issues related to the MaskedEdit control. We closed over 25 MaskedEdit issues. Here is a complete list of the issues addressed with this release: · 17302 MaskedEditExtender MaskType=Date, Mask=99/99/99 Undefined JS Error · 11758 MaskedEdit causes error in JScript when working with 2-digits year · 18810 Maskededitextender/validator Date validation issue · 23236 MaskEditValidator does not work with date input using format dd/mm/yyyy · 23042 Webkit based browsers (Safari, Chrome) and MaskedEditExtender · 26685 MaskedEditExtender@(ClearMaskOnLostFocus=false) adds a zero character when you each focused to target textbox · 16109 MaskedEditExtender: Negative amount, followed by decimal, sets value to positive · 11522 MaskEditExtender of AjaxtoolKit-1.0.10618.0 does not work properly for Hungarian Culture · 25988 MaskedEditExtender – CultureName (HU-hu) > DateSeparator · 23221 MaskedEditExtender date separator problem · 15233 Day and month swap in Dynamic user control · 15492 MaskedEditExtender with ClearMaskOnLostFocus and with MaskedEditValidator with ClientValidationFunction · 9389 MaskedEditValidator – when on no entry · 11392 MaskedEdit Number format messed up · 11819 MaskedEditExtender erases all values beyond first comma separtor · 13423 MaskedEdit(Extender/Validator) combo problem · 16111 MaskedEditValidator cannot validate date with DayMonthYear in UserDateFormat of MaskedEditExtender · 10901 MaskedEdit: The months and date fields swap values when you hit submit if UserDateFormat is set. · 15190 MaskedEditValidator can’t make use of MaskedEditExtender’s UserDateFormat property · 13898 MaskedEdit Extender with custom date type mask gives javascript error · 14692 MaskedEdit error in “yy/MM/dd” format. · 16186 MaskedEditExtender does not handle century properly in a date mask · 26456 MaskedEditBehavior. ConvFmtTime : function(input,loadFirst) fails if this._CultureAMPMPlaceholder == “” · 21474 Error on MaskedEditExtender working with number format · 23023 MaskedEditExtender’s ClearMaskOnLostFocus property causes problems for MaskedEditValidator when set to false · 13656 MaskedEditValidator Min/Max Date value issue Conclusion This latest release of the Ajax Control Toolkit required many hours of work by a team of talented developers. I want to thank the members of the Superexpert team for the long hours which they put into this release.

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  • Need reccomendation for transferring ASP.NET MVC skills to PHP

    - by Tuck
    I am looking to translate my skills in .NET to PHP - specifically in regards to ASP.NET MVC. At work I am currently using .NET MVC 2.0 on a variety of projects and thoroughly enjoy the platform. Specifically I enjoy the very minimal configuration required to get a project up and running (just create the project, define routes, and start coding), as well as the ability for controller actions to return different items (i.e. ActionResult, JsonResult). Another piece I really like is the way the view/model interaction can be handled. For example I like being able to call return View(model) and having a view page (.aspx) load and having the full model object available to the view, regardless of the model type. I'm looking for a PHP implementation of MVC that is the most similiar to what I am already familiar with. I don't anything apart from the MVC functionality. I've looked at Zend, Symfony, CodeIgniter, etc. and, while they look like they'll be fun to play with in the future, they provide much more functionality than I need. I'd prefer to write my own DAL,form helpers, delegate handlers,authentication/ACL pieces, etc. In short, I just need something to handle the routing and view interactions and will worry about the model implementation myself. Can someone please point me to some lightweight code that accomplishes or comes close to accomplishing my objectives above. Or, can someone identify just the portions of a larger framework that do the same (again, I'm not currently interested in implementing something on a big framework, just the MVC portion and want to implement the model portion myself as much as possible). Thanks in advance...

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  • CodePlex Daily Summary for Saturday, May 01, 2010

    CodePlex Daily Summary for Saturday, May 01, 2010New ProjectsAjaxControlToolkit additional extenders: AjaxControlToolkit based additionals extenders. Now it contains BreadCrumbsExtender and UpdatePanelExtender for long opertions using Comet. It's d...Data Ductus Malmö Utilities: This is a collection of various utilities used / may be used by Data Ductus Malmö. Utilities ranges from postsharp aspects, WCF utils both inhouse ...DestinationPDF a PDF exporter that works from the browser: Generate a PDF document from your webpage, selecting the HTML portions you want to add. DynamicJson: dynamic json structure for C# 4.0. Event-Based Components Tooling: Event-Based Components (EBC) bring software development on par with mechanical engineering and electrical engineering in that they describe how sof...Find diff of two text or xml files. Transform from one to another.: An algorithm to diff two strings or XElements. Not only get the diff, but also get how to transform one string to another. Two methods are provid...Fireworks: Fireworks is an extensible application framework designed to create custom tools for managing XML (XSD only) documents. Fireworks is especially us...General Ontology & Text Engineering Architecture for .NET: GOTA is an OpenSource online & collaborative text engineering development environment for .NET. GOTA aims to simplify and parallelize the developme...IsWiX: IsWiX is a Windows Installer XML ( WiX ) document editor based on the Fireworks Application Framework. Is WiX enables non-setup developers to colla...kp.net: Managed ADO.Net provider for kdb+ database.LinqToTextures: A node-based editor for creating procedural textures and HLSL shaders. Developed in C#. Can export PNG images, .fx files for HLSL, or XML that can ...MTG Match Counter: MTG Match Counter is a simple life\match counter, designed for Magic: The Gathering players.MVP Passive View Control Model Framework: Framework that builds on the power of my view on the Passive View pattern which I call the Passive Ciew Control Model. This framework is my impleme...My Notepad: Get an all-tabbed, free floating type of a notepad - a perfect replacement for the current notepad for a normal computer user. You no longer have t...NerdDinnerAddons: Add-ons for ASP.NET MVC NerdDinner ApplicationrITIko: Questo progetto è stato creato come esperimento dalla classe 4G dell'ITIS B. Pascal di Cesena. Serve (per ora) solo per testate il funzionamento d...Semester Manager: CVUT Semester ManagerSharePoint 2010 PowerShell Scripts & Utilities: A collection of PowerShell modules / scirpts for managing SharePoint 2010 deployments and product releated featuresSmartBot: Irc client for searching information.StackOverflow Desktop Client in C# and WPF: StackOverflow client written in WPF and C# that can notify you of new posts for tags that you've marked interesting on the actual website. Works...TimeSaver - virtual worlds at the service of e-Gov: TimeSaver aims at the construction of tools to build specialized virtual worlds for the provision of services for e-Gov. TimeSaver has received fin...TinyProject: This is a tiny project developing code.Turtle Logo (programming language) for Kids: Turtle Logo for Kids teaches kids step by step the basic of computers programmong. LOGO is a computer programming language used for functional prog...UITH- Hospital Manaegment: A simple hospital or clinic management softwareUniHelper: UniHelper is a tool to help simplify .NET development with UniData/UniVerse database servers.Value Injecter: useful for filling/reading forms (asp.net-mvc views, webforms, winforms, any object) with data from another (or more) object(s) and after you can g...Vortex2D.NET Game Engine: Easy to use 2D game engine for Windows based on .NET and Direct3D9Yame Sample Project: 这个是学习项目,可能用内容:ExtJs,VS2010,Enterprise Library 5,Unity 2New ReleasesAll-In-One Code Framework: All-In-One Code Framework 2010-04-30: Improved and Newly Added Examples:For an up-to-date list, please refer to All-In-One Code Framework Sample Catalog. Samples for ASP.NET Name D...C#Mail: Higuchi.Mail.dll (2010.4.30 ver): Higuchi.Mail.dll at 2010-3-30 version.CycleMania Starter Kit EAP - ASP.NET 4 Problem - Design - Solution: Cyclemania 0.08.66: see Source Code tab for recent change historyDestinationPDF a PDF exporter that works from the browser: Initial release: DestinationPDF library DestinationPDF javascript helper functions Sample htmlDotNetNuke 5 Thai Language Pack: Resource Pack Core: Bata Released for DNN Core & Module Thai LanuageDotNetNuke Skins Pack: DNN 80 Skins Pack.: This released is the first for DNN 4 & 5 with Skin Token Design (legacy skin support on DNN 4 & 5)DynamicJson: Release 1.0.0.0: 1st ReleaseFamAccountor: 家庭账薄 预览版v0.0.3: 家庭账薄 预览版v0.0.3 该版本提供基本功能,还有待扩展! Feature: 完成【系统管理】下【注销用户】、【重新记账】功能。 添加导出EXCEL功能。Feed Viewer: 3.7.0.0: new tray icon better fitting with Windows 7 and Vista tray icons style bugfixesFind diff of two text or xml files. Transform from one to another.: Beta1 Release Source Code and Sample App: This is the first release. The source code compiled on VS2010 DotNET4.0. The Sample App EXE and DLL require DotNET4.0 I did not use any new featu...Fireworks: Fireworks 1.0.264.0: Build 1.0.264.0 - Internal TFS Changeset 815 Fireworks.msi - Integrated Fireworks Application example packaged with Windows Installer. FireworksM...Free Silverlight & WPF Chart Control - Visifire: Visifire SL and WPF Charts v3.0.9 beta Released: Hi, This release contains the following enhancements: 1) Multilevel property path in DataBinding- Now onwards you will be able to work with multi...Free Silverlight & WPF Chart Control - Visifire: Visifire SL and WPF Charts v3.5.2 beta Released: Hi, This release contains the following enhancements: 1) Multilevel property path in DataBinding- Now onwards you will be able to work with multi...General Ontology & Text Engineering Architecture for .NET: GOTA Server Types: This document shows current GOTA Server TypesHammock for REST: Hammock v1.0.2: v1.0.2 Changes.NET 4.0 and Client Profile security model fix Fixes for OAuth access tokens and verifiers Silverlight proxy values are now surfa...Industrial Dashboard: ID 3.0: Added Example with IndustrialGrid. Added Example with SidebarAccordionMenu.IsWiX: IsWiX 1.0.258.0: Build 1.0.258.0 built against Fireworks 1.0.264.0JpAccountingBeta: JpBeta: This is A testNerdDinnerAddons: NerdDinnerAddons: Add-ons for ASP.NET MVC NerdDinner Applicationopen gaze and mouse analyzer: Ogama 3.2: This release was published on 30.04.2010 and is mainly a bugfix release on improving the interface to the ITU GazeTracker. For the list of changes ...Perspective - Easy 2D and 3D programming with WPF: Perspective 2.0 beta: A .NET 4.0 version of Perspective with many improvements : New panels (see also Silverlight version) : BeePanel : a honeycomb layout wrap panel. ...Protoforma | Tactica Adversa: Skilful 0.3.5.562 RC2: RC2 MD5 checksum: 95703dcd6085f0872e9b34c2e1a8337d SHA-1 checksum: 8e63f6fe7e3a01e7e47bc2cbf20210725ddd11cfRule 18 - Love your clipboard: Rule 18 - version 1.2: This is the forth public release for Rule 18 and includes a bunch of bug fixes and tweaks to the tool. The tool has extensive usage in the field an...Sharp DOM: Sharp DOM 1.0: This is the first release of Sharp DOM project. It includes the major features needed for stronly typed HTML code development, including support fo...sMAPedit: sMAPedit v0.7: Added: segment visualization Added: remove & create paths, points, segments Added: saving file function Added: editing of fields in points an...sTASKedit: sTASKedit v0.7b (Alpha): Fixed: leave focus when saving to avoid missing change of last edited field Fixed: when changing task id, all cryptkeys are changed and all texts...TidyTinyPics: TidyTinyPics 0.13: We can avoid to have the renaming done automatically.TimeSaver - virtual worlds at the service of e-Gov: JamSession4TimeSaver: JamSession v0.9 - this is the first draft source code for the JamSession orchestration language, which shall be used in TimeSaver. Future versions...Tribe.Cache: Tribe.Cache 1.0: Release 1.0Turtle Logo (programming language) for Kids: Logo: Source code in C# on Silverlight using Visual Studio 2010UITH- Hospital Manaegment: UITH-Hospital: A simple hospital management system. to use the program you need to install sql express server 2005 .net framework 3.5VCC: Latest build, v2.1.30430.0: Automatic drop of latest buildVisual Studio 2010 AutoScroller Extension: AutoScroller v0.2: A Visual studio 2010 auto-scroller extension. Simply hold down your middle mouse button and drag the mouse in the direction you wish to scroll, fu...Most Popular ProjectsRawrWBFS ManagerAJAX Control Toolkitpatterns & practices – Enterprise LibraryMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)iTuner - The iTunes CompanionASP.NETDotNetNuke® Community EditionMost Active Projectspatterns & practices – Enterprise LibraryRawrIonics Isapi Rewrite FilterHydroServer - CUAHSI Hydrologic Information System Serverpatterns & practices: Azure Security GuidanceGMap.NET - Great Maps for Windows Forms & PresentationTinyProjectSqlDiffFramework-A Visual Differencing Engine for Dissimilar Data SourcesFarseer Physics EngineNB_Store - Free DotNetNuke Ecommerce Catalog Module

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  • Join our webcast: Discover What’s New in Oracle Data Integrator and Oracle GoldenGate

    - by Irem Radzik
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif"; mso-fareast-font-family:"Times New Roman";} Data integration team has organized a series of webcasts for this summer. We are kicking it off this Thursday June 30th at 10am PT with a product update webcast: Discover What’s New in Oracle Data Integrator and Oracle GoldenGate. In this webcast you will hear from product management about the new patch updates to both GoldenGate 11g R1 and ODI 11gR1. Jeff Pollock, Sr. Director of Product Management for ODI will talk about the new features in Oracle Data Integrator 11.1.1.5, including the data lineage integration with OBI EE, enhanced web services to support flexible architectures as well as capabilities for efficient object execution such as Load Plans. Jeff will discuss support for complex files and performance enhancements. Chris McAllister, Sr. Director of Product Management for Oracle GoldenGate will cover the new features of Oracle GoldenGate 11.1.1.1 such as increased data security by supporting Oracle Database Advanced Security option, deeper integration with Oracle Database, and the expanded list of heterogeneous databases GoldenGate supports . Chris will also talk about the new Oracle GoldenGate 11gR1 release for HP NonStop platform and will provide information on our strategic direction for product development. Join us this Thursday at 10am PT/ 1pm ET to hear directly from Data Integration Product Management . You can register here for the June 30th webcast as well as for the upcoming ones in our summer webcast series.

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  • Getting Started with ASP.NET MVC 3 and Razor

    - by dwahlin
    I had a chance to give a talk on ASP.NET MVC 3, Razor and jQuery today at a company and wanted to post the slides and demos from the talk. The focus was on getting started with ASP.NET MVC 3 projects and .cshtml files including creating pages using the new Razor syntax (which I personally love….never going back to the Web Forms View Engine) as well as working with jQuery. Topics covered in the demos (download below) include: Binding form data to custom object properties Validating a model using data annotations and IValidatableObject Integrating jQuery into MVC sites (using the DataTables plugin) Using the new WebGrid class to generate tables with sorting and paging functionality Integrating Silverlight applications into MVC sites Exposing JSON data from a controller action and consuming it in Silverlight Using the Ajax helper to add AJAX functionality (without jQuery)     The code and slides from the talk can be downloaded here.     If you or your company is interested in training, consulting or mentoring on jQuery or .NET technologies please visit http://www.thewahlingroup.com for more information. We’ve provided training, consulting and mentoring services to some of the largest companies in the world and would enjoy sharing our knowledge and real-world lessons learned with you.

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  • Implementing fog of war in opengl es 2.0 game

    - by joxnas
    Hi game development community, this is my first question here! ;) I'm developing a tactics/strategy real time android game and I've been wondering for some time what's the best way to implement an efficient and somewhat nice looking fog of war to incorporate in it. My experience with OpenGL or Android is not vast by any means, but I think it is sufficient for what I'm asking here. So far I have thought in some solutions: Draw white circles to a dark background, corresponding to the units visibility, then render to a texture, and then drawing a quad with that texture with blend mode set to multiply. Will this approach be efficient? Will it take too much memory? (I don't know how to render to texture and then use the texture. Is it too messy?) Have a grid object with a vertex shader which has an array of uniforms having the coordinates of all units, and another array which has their visibility range. The number of units will very probably never be bigger then 100. The vertex shader needs to test for each considered vertex, if there is some unit which can see it. In order to do this it, will have to loop the array with the coordinates and do some calculations based on distance. The efficiency of this is inversely proportional to the looks of it. A more dense grid will result in a more beautiful fog of war... but will require a greater amount of vertexes to be checked. Is it possible to find a nice compromise or is this a bad solution from the start? Which solution is the best? Are there better alternatives? Which ones? Thank you for your time.

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  • Implementing a wrapping wire (like the Worms Ninja Rope) in a 2D physics engine

    - by Andrew Russell
    I've been trying out some rope-physics recently, and I've found that the "standard" solution - making a rope from a series of objects strung together with springs or joints - is unsatisfying. Especially when rope swinging is relevant to gameplay. I don't really care about a rope's ability to wrap up or sag (this can be faked for visuals anyway). For gameplay, what is important is the ability for the rope to wrap around the environment and then subsequently unwrap. It doesn't even have to behave like rope - a "wire" made up of straight line segments would do. Here's an illustration: This is very similar to the "Ninja Rope" from the game Worms. Because I'm using a 2D physics engine - my environment is made up of 2D convex polygons. (Specifically I am using SAT in Farseer.) So my question is this: How would you implement the "wrapping" effect? It seems pretty obvious that the wire will be made up of a series of line segments that "split" and "join". And the final (active) segment of that line, where the moving object attaches, will be a fixed-length joint. But what is the maths / algorithm involved for determining when and where the active line segment needs to be split? And when it needs to be joined with the previous segment? (Previously this question also asked about doing this for a dynamic environment - I've decided to split that off into other questions.)

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  • CodePlex Daily Summary for Wednesday, March 17, 2010

    CodePlex Daily Summary for Wednesday, March 17, 2010New Projectschaosreader: A simple RSS reader.CRM 4.0 Customization GUID Update: The CRM 4.0 customization GUID update is an open source C# console application that automatically replaces GUID values in your exported workflow cu...DotNetNuke® Skin Bright: A DotNetNuke Design Challenge skin package submitted to the "Modern Business" category by Noel Jerke of SiteToolset. This simple and clean business...DotNetNuke® Skin Go: A DotNetNuke Design Challenge skin package submitted to the "Modern Business" category by DnnGo Corporation. The skin uses web standard DIV+CSS tec...DotNetNuke® Skin J10blend: A DotNetNuke Design Challenge skin package submitted to the "Out of the box" category by Timthy Maler of 2M Studio Design. J10-Black v01.00.00 inc...DotNetNuke® Skin Recipe: A DotNetNuke Design Challenge skin package submitted to the "Standards" category by dnnprofis.at. For mobile devices the skin changes to a mobile...DotNetNuke® Skin SpaceSmurfs: A DotNetNuke Design Challenge skin package submitted to the "Personal" category by Eric Johnson of Personify Design. This fun personal skin was ins...ERDOS6 - Web: A Web Project about ERDOS 6Flickrlight: Flickrlight is a personal fun project out of love of Flickr and Silverlight. You can experience it here: http://www.flickrlight.net.GsGrid: Extracting data from Gaussian grid file and grid file calculationiLocator: iLocator is a collaborative educational mapping game for children developed on Microsoft Surface. This game encourages players to collaborate with ...Javascript CallObject SOAP AJAX Helper: CallObject is a Javascript based AJAX helper, it facilitates wrapping of basic soap calls (as long as simple data types are used), asynchronous ret...kbTrainer: kbTrainer is a simple to use HTML application for typing speed training. A lot of features completed in basic. 2 learning keywords layouts -- engli...Laboratório de Engenharia de Software - Projeto: Criado para estudar e aplicar novas tecnologias web.Maxilds Powershell Scripts: Repo of my powershell scriptsNamespacifier: Namespacifier is a C#.NET library and console application to fix XML documents containing multiple default namespaces. It gives prefixes to defaul...OData SDK for Objective-C: This is a CTP of the OData SDK for Objective-C. The library targets iPhone devices and Mac OS X and it is designed to facilitate the connection wit...Open Data App Framework (ODAF): The Open Data Application Framework (ODAF) is a framework that allows cities to easily map existing civic Open Data landmarks, and allow users to r...QuickieB2B: QuickieB2B is web application which main target is to provide quick info about products. It's designed for small companies who have a big number of...RayView: Rayview is an easy-to-use Raytracing-Framework based on Microsoft XNA.Robotics Studio application to navigate Lego Mindstorms robot through labyrinth: A project for Software Systems Analysis and Design Tools subject at the Kaunas University of Technology. The main point of the project is to code L...SharePoint Icon Integration: SharePoint Icon Integration makes it easier for SharePoint Administrators / Developers to add a icon (pdf) to the SharePoint farm. You will no long...TestVersion: Testing VersionieringTimecard: SoftSource Timecard project.T-shirt Cannon: So the Coding4Fun team had two weeks to build two robots able to drive, aim, and shoot t-shirts with a Windows Phone during a MIX10 Keynote demo of...USTF: This project is a bit secretive right now.Windows Azure Command-line Tools for PHP Developers: The “Windows Azure Command-line tools for PHP” provide a command-line experience to developers who wish to develop, package, and deploy PHP applic...New ReleasesCaramel Engine: CaramelEngine Alpha Build 0.0.0.1a: This is an early alpha release of the Engine and it's functionality. Be sure to have the using CaramelEngine statement. This release is for people...Coot: Preview: Basic preview On the first use you have to click Create New Session and Login. After this you can just click Screen Saver each time. Settings sho...CycleMania Starter Kit EAP - ASP.NET 4.0 Problem - Design - Solution: Cyclemania 0.08.32: The latest alpha release.DeepZoomContainer, Expanded DeepZoom for Silverlight & Windows Phone 7 Series: Release ver. 1.20 for Windows Phone 7 Series: SolutionMerge PathAnimation solution into one MouseWheel elimination PathAnimationWP7 Port DeepZoomContainerProject rebuilt for WP7 support De...Desktop Google Reader: 1.3 (the social release): NewsSharing Liking Mail item Labels / Tags Send to Twitter Read It Later http://readitlaterlist.com/ Instapaper http://www.instapaper.com/ Favicons...DotNetNuke® Blog: 04.00.00 RC 2: PLEASE NOTE: Please do not upgrade previous version of the Beta releases - please start from 03.05.01 This is a RELEASE CANDIDATE, and as such ...DotNetNuke® Community Edition: 05.03.00: New FeaturesTemplated User Profiles - User profile pages are now publicly viewable Photo field in User Profile - Users can upload a photo to thei...DotNetNuke® Skin Bright: Bright Package 1.0.0: A DotNetNuke Design Challenge skin package submitted to the "Modern Business" category by Noel Jerke of SiteToolset. This simple and clean business...DotNetNuke® Skin Go: Go Package 1.0.0: A DotNetNuke Design Challenge skin package submitted to the "Modern Business" category by DnnGo Corporation. The skin uses web standard DIV+CSS tec...DotNetNuke® Skin J10blend: J10 Blend Package 1.0.0: A DotNetNuke Design Challenge skin package submitted to the "Out of the box" category by Timthy Maler of 2M Studio Design. J10-Black v01.00.00 incl...DotNetNuke® Skin Recipe: Recipe Package 1.0.0: A DotNetNuke Design Challenge skin package submitted to the "Standards" category by dnnprofis.at. For mobile devices the skin changes to a mobile f...DotNetNuke® Skin SpaceSmurfs: Space Smurfs Package 1.0.0: A DotNetNuke Design Challenge skin package submitted to the "Personal" category by Eric Johnson of Personify Design. This fun personal skin was ins...Dynamo: Dynamo v0.1 Beta: The following is included: Dynamo dlls Antlr dlls Hello world Simple Plugin example Application Dependency injection Singleton Managment ...ExtremeML: ExtremeML v1.0 Beta 1: Timed to accompany the RTM release of the OpenXML SDK v2.0, this is the first Beta release of ExtremeML (it was previously classified as a preview ...Family Tree Analyzer: Version 1.1.1.1: Version 1.1.1.1 Lots of Gedcom parsing fixes it should crash a whole lot less often and tolerate more "interesting" or "quirky" Gedcom entries. Add...Family Tree Analyzer: Version 1.2.0.1: Version 1.2.0.1 Added option to treat residence facts as Census Facts IGI Search now permits default country selection ie: what to use if it doesn...Flickrlight: Flickrlight: Current release is for idea sharing. There are not many design patterns being used. Please bare with the mess. :-) In order to run the applicat...Gherkin editor: Alpha 0.1: Most of the code at this point is the same as the Avalon.Sample from code project, just changed the name, removed extra languages and added syntax ...GsGrid: gsgrid1.6.4: gsgrid1.6.4GsGrid: gsgrid1.6.4-src: gsgrid1.6.4-srcHTML Template Repeater Module: Version 01.00.02: GeneralThe HTML Template Repeater Module is a direct replacement for the Core DotNetNuke Text/HTML module. Use it where you need to repeat the form...Images Compiler: Release 0.1: Last alpha buildJavascript CallObject SOAP AJAX Helper: Beta Release, 0.2.1: Beta Release, 0.2.1 Contains only core objectskbTrainer: kbtrainer 1.25u: kbTrainer is a simple to use speed typing training HTML application. A lot of features. All ither info availiable on http://code.google.com/p/kbtr...MapWindow6: MapWindow 6.0 msi (March 16): This version fixes a bug where selected points were not drawing correctly.Mesopotamia Experiment: Mesopotamia 1.2.43: Release Notes New Features - Scenario Name on title bar - Show organisms in Scnearios with simple stats Bug Fixes - Removed app domain recyling an...MFCMAPI: March 2010 Release: If you just want to run the tool, get the executable. If you want to debug it, get the symbol file and the source. Build: 6.0.0.1018 The 64 bit bu...MVVM Light Toolkit: MVVM Light Toolkit V3: Download the Zip file and extract it to a local folder. Then, follow the instructions on the Installation page http://www.galasoft.ch/mvvm/installi...NETXPF: 1.0.2: Changes: - Added a class "IOUtils" with methods for reading streams and GZip-compressing HTTP responses - Fixed a bug in the size formatter (excep...OData SDK for Objective-C: OData SDK for Objective-C CTP: The current release supports read-only operations only and it has been tested on a limited set of scenarios. The download include a sample iPhone a...Open Data App Framework (ODAF): ODAF 1.0: Initial beta release.Selection Maker: Selection Maker 1.1: New FeaturesContext Menu for ListView added Bug FixesFixed: If the users press Copy/Cut Button when no item is selected in ListView the ListView cl...Selection Maker: Selection Maker 1.2: Bug Fixes:a minor bug fixedSimple.NET: Simple.Mocking 1.0.0.5: Initial version of a new mocking framework for .NET Revision 1: Expect.AnyInocationOn<T>(T target) changed to Expect.AnyInocationOn(object target...SQL Server Extended Properties Quick Editor: New release 1.5.4: Whats new: Move preferences to application settings and add a form to edit preferences. Support to add, modify and delete operations could be made ...SuperModel - A Dynamic View-Model Generator: 1.0.0.0 - Tyra: The final 1.0 release, now less intrusive! If you don't want to implement ISuperModel, simply implement INotifyPropertyChanged.Timecard: Timecard Initial Release: The zipped version of the Initial Checkin.Transparent Persistence.Net: TP.Net 0.1.0: This is the initial alpha release. It's working for small set of use-cases (basic access to Cassandra).VCC: Latest build, v2.1.30316.0: Automatic drop of latest buildVFPnfe: Projeto Ajuda PAF-ECF: Este projeto visa ajudar aos desenvolvedores para homologação do PAF-ECF , sob licença publica GNU/GPL para ver mais detalhes do mesmo assista o vi...Visual Studio DSite: Gif Animator: This program will make an animate gif. (Program written in Vb.Net 2008)Most Popular ProjectsMetaSharpLiveUpload to FacebookSkype Voice ChangerLiveUpload to YouTubeSIPSorceryChartPart for SharePointTFS Branching Guide 2.0TouchFlo DetacherNPandaySnippet EditorMost Active ProjectsLINQ to TwitterRawrOData SDK for PHPDirectQpatterns & practices – Enterprise LibraryBlogEngine.NETN2 CMSOpen Data App Framework (ODAF)NB_Store - Free DotNetNuke Ecommerce Catalog ModuleMapWindow6

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  • Initially Unselected DropDownList

    - by Ricardo Peres
    One of the most (IMHO) things with DropDownList is its inability to show an unselected value at load time, which is something that HTML does permit. I decided to change the DropDownList to add this behavior. All was needed was some JavaScript and reflection. See the result for yourself: public class CustomDropDownList : DropDownList { public CustomDropDownList() { this.InitiallyUnselected = true; } [DefaultValue(true)] public Boolean InitiallyUnselected { get; set; } protected override void OnInit(EventArgs e) { this.Page.RegisterRequiresControlState(this); this.Page.PreRenderComplete += this.OnPreRenderComplete; base.OnInit(e); } protected virtual void OnPreRenderComplete(Object sender, EventArgs args) { FieldInfo cachedSelectedValue = typeof(ListControl).GetField("cachedSelectedValue", BindingFlags.NonPublic | BindingFlags.Instance); if (String.IsNullOrEmpty(cachedSelectedValue.GetValue(this) as String) == true) { if (this.InitiallyUnselected == true) { if ((ScriptManager.GetCurrent(this.Page) != null) && (ScriptManager.GetCurrent(this.Page).IsInAsyncPostBack == true)) { ScriptManager.RegisterStartupScript(this, this.GetType(), "unselect" + this.ClientID, "$get('" + this.ClientID + "').selectedIndex = -1;", true); } else { this.Page.ClientScript.RegisterStartupScript(this.GetType(), "unselect" + this.ClientID, "$get('" + this.ClientID + "').selectedIndex = -1;", true); } } } } } SyntaxHighlighter.config.clipboardSwf = 'http://alexgorbatchev.com/pub/sh/2.0.320/scripts/clipboard.swf'; SyntaxHighlighter.brushes.CSharp.aliases = ['c#', 'c-sharp', 'csharp']; SyntaxHighlighter.all();

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  • How to call Office365 web service in a Console application using WCF

    - by ybbest
    In my previous post, I showed you how to call the SharePoint web service using a console application. In this post, I’d like to show you how to call the same web service in the cloud, aka Office365.In office365, it uses claims authentication as opposed to windows authentication for normal in-house SharePoint Deployment. For Details of the explanation you can see Wictor’s post on this here. The key to make it work is to understand when you authenticate from Office365, you get your authentication token. You then need to pass this token to your HTTP request as cookie to make the web service call. Here is the code sample to make it work.I have modified Wictor’s by removing the client object references. static void Main(string[] args) { MsOnlineClaimsHelper claimsHelper = new MsOnlineClaimsHelper( "[email protected]", "YourPassword","https://ybbest.sharepoint.com/"); HttpRequestMessageProperty p = new HttpRequestMessageProperty(); var cookie = claimsHelper.CookieContainer; string cookieHeader = cookie.GetCookieHeader(new Uri("https://ybbest.sharepoint.com/")); p.Headers.Add("Cookie", cookieHeader); using (ListsSoapClient proxy = new ListsSoapClient()) { proxy.Endpoint.Address = new EndpointAddress("https://ybbest.sharepoint.com/_vti_bin/Lists.asmx"); using (new OperationContextScope(proxy.InnerChannel)) { OperationContext.Current.OutgoingMessageProperties[HttpRequestMessageProperty.Name] = p; XElement spLists = proxy.GetListCollection(); foreach (var el in spLists.Descendants()) { //System.Console.WriteLine(el.Name); foreach (var attrib in el.Attributes()) { if (attrib.Name.LocalName.ToLower() == "title") { System.Console.WriteLine("> " + attrib.Name + " = " + attrib.Value); } } } } System.Console.ReadKey(); } } You can download the complete code from here. Reference: Managing shared cookies in WCF How to do active authentication to Office 365 and SharePoint Online

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  • What does "error reading login count from pmvarrun" mean?

    - by n3rd
    I have the above mentioned error in my /var/log/auth.log file and just try to figure out if this is a harmelss statement. As far as I understand does pmvarrun tells the system how many active session (e.g. logins) a user has on the system. Full output of auth.log Jan 24 17:44:42 P835 lightdm: pam_unix(lightdm:session): session opened for user lightdm by (uid=0) Jan 24 17:44:42 P835 lightdm: pam_ck_connector(lightdm:session): nox11 mode, ignoring PAM_TTY :0 Jan 24 17:44:49 P835 lightdm: pam_succeed_if(lightdm:auth): requirement "user ingroup nopasswdlogin" not met by user "user" Jan 24 17:44:51 P835 dbus[1289]: [system] Rejected send message, 2 matched rules; type="method_call", sender=":1.31" (uid=104 pid=1882 comm="/usr/lib/indicator-datetime/indicator-datetime-ser") interface="org.freedesktop.DBus.Properties" member="GetAll" error name="(unset)" requested_reply="0" destination=":1.17" (uid=0 pid=1561 comm="/usr/sbin/console-kit-daemon --no-daemon ") Jan 24 17:45:04 P835 lightdm: pam_unix(lightdm:session): session closed for user lightdm Jan 24 17:45:04 P835 lightdm: pam_mount(pam_mount.c:691): received order to close things Jan 24 17:45:04 P835 lightdm: pam_mount(pam_mount.c:693): No volumes to umount Jan 24 17:45:04 P835 lightdm: command: 'pmvarrun' '-u' 'user' '-o' '-1' Jan 24 17:45:04 P835 lightdm: pam_mount(misc.c:38): set_myuid<pre>: (ruid/rgid=0/0, e=0/0) Jan 24 17:45:04 P835 lightdm: pam_mount(misc.c:38): set_myuid<post>: (ruid/rgid=0/0, e=0/0) Jan 24 17:45:04 P835 lightdm: pam_mount(pam_mount.c:438): error reading login count from pmvarrun Jan 24 17:45:04 P835 lightdm: pam_mount(pam_mount.c:728): pam_mount execution complete Jan 24 17:45:08 P835 lightdm: pam_unix(lightdm:session): session opened for user user by (uid=0) Jan 24 17:45:08 P835 lightdm: pam_ck_connector(lightdm:session): nox11 mode, ignoring PAM_TTY :0 Jan 24 17:45:25 P835 polkitd(authority=local): Registered Authentication Agent for unix-session:/org/freedesktop/ConsoleKit/Session2 (system bus name :1.54 [/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1], object path /org/gnome/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) Jan 24 17:45:47 P835 dbus[1289]: [system] Rejected send message, 2 matched rules; type="method_call", sender=":1.59" (uid=1000 pid=4748 comm="/usr/lib/indicator-datetime/indicator-datetime-ser") interface="org.freedesktop.DBus.Properties" member="GetAll" error name="(unset)" requested_reply="0" destination=":1.17" (uid=0 pid=1561 comm="/usr/sbin/console-kit-daemon --no-daemon ") Thanks for any help

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  • Uploading and Importing CSV file to SQL Server in ASP.NET WebForms

    - by Vincent Maverick Durano
    Few weeks ago I was working with a small internal project  that involves importing CSV file to Sql Server database and thought I'd share the simple implementation that I did on the project. In this post I will demonstrate how to upload and import CSV file to SQL Server database. As some may have already know, importing CSV file to SQL Server is easy and simple but difficulties arise when the CSV file contains, many columns with different data types. Basically, the provider cannot differentiate data types between the columns or the rows, blindly it will consider them as a data type based on first few rows and leave all the data which does not match the data type. To overcome this problem, I used schema.ini file to define the data type of the CSV file and allow the provider to read that and recognize the exact data types of each column. Now what is schema.ini? Taken from the documentation: The Schema.ini is a information file, used to define the data structure and format of each column that contains data in the CSV file. If schema.ini file exists in the directory, Microsoft.Jet.OLEDB provider automatically reads it and recognizes the data type information of each column in the CSV file. Thus, the provider intelligently avoids the misinterpretation of data types before inserting the data into the database. For more information see: http://msdn.microsoft.com/en-us/library/ms709353%28VS.85%29.aspx Points to remember before creating schema.ini:   1. The schema information file, must always named as 'schema.ini'.   2. The schema.ini file must be kept in the same directory where the CSV file exists.   3. The schema.ini file must be created before reading the CSV file.   4. The first line of the schema.ini, must the name of the CSV file, followed by the properties of the CSV file, and then the properties of the each column in the CSV file. Here's an example of how the schema looked like: [Employee.csv] ColNameHeader=False Format=CSVDelimited DateTimeFormat=dd-MMM-yyyy Col1=EmployeeID Long Col2=EmployeeFirstName Text Width 100 Col3=EmployeeLastName Text Width 50 Col4=EmployeeEmailAddress Text Width 50 To get started lets's go a head and create a simple blank database. Just for the purpose of this demo I created a database called TestDB. After creating the database then lets go a head and fire up Visual Studio and then create a new WebApplication project. Under the root application create a folder called UploadedCSVFiles and then place the schema.ini on that folder. The uploaded CSV files will be stored in this folder after the user imports the file. Now add a WebForm in the project and set up the HTML mark up and add one (1) FileUpload control one(1)Button and three (3) Label controls. After that we can now proceed with the codes for uploading and importing the CSV file to SQL Server database. Here are the full code blocks below: 1: using System; 2: using System.Data; 3: using System.Data.SqlClient; 4: using System.Data.OleDb; 5: using System.IO; 6: using System.Text; 7:   8: namespace WebApplication1 9: { 10: public partial class CSVToSQLImporting : System.Web.UI.Page 11: { 12: private string GetConnectionString() 13: { 14: return System.Configuration.ConfigurationManager.ConnectionStrings["DBConnectionString"].ConnectionString; 15: } 16: private void CreateDatabaseTable(DataTable dt, string tableName) 17: { 18:   19: string sqlQuery = string.Empty; 20: string sqlDBType = string.Empty; 21: string dataType = string.Empty; 22: int maxLength = 0; 23: StringBuilder sb = new StringBuilder(); 24:   25: sb.AppendFormat(string.Format("CREATE TABLE {0} (", tableName)); 26:   27: for (int i = 0; i < dt.Columns.Count; i++) 28: { 29: dataType = dt.Columns[i].DataType.ToString(); 30: if (dataType == "System.Int32") 31: { 32: sqlDBType = "INT"; 33: } 34: else if (dataType == "System.String") 35: { 36: sqlDBType = "NVARCHAR"; 37: maxLength = dt.Columns[i].MaxLength; 38: } 39:   40: if (maxLength > 0) 41: { 42: sb.AppendFormat(string.Format(" {0} {1} ({2}), ", dt.Columns[i].ColumnName, sqlDBType, maxLength)); 43: } 44: else 45: { 46: sb.AppendFormat(string.Format(" {0} {1}, ", dt.Columns[i].ColumnName, sqlDBType)); 47: } 48: } 49:   50: sqlQuery = sb.ToString(); 51: sqlQuery = sqlQuery.Trim().TrimEnd(','); 52: sqlQuery = sqlQuery + " )"; 53:   54: using (SqlConnection sqlConn = new SqlConnection(GetConnectionString())) 55: { 56: sqlConn.Open(); 57: SqlCommand sqlCmd = new SqlCommand(sqlQuery, sqlConn); 58: sqlCmd.ExecuteNonQuery(); 59: sqlConn.Close(); 60: } 61:   62: } 63: private void LoadDataToDatabase(string tableName, string fileFullPath, string delimeter) 64: { 65: string sqlQuery = string.Empty; 66: StringBuilder sb = new StringBuilder(); 67:   68: sb.AppendFormat(string.Format("BULK INSERT {0} ", tableName)); 69: sb.AppendFormat(string.Format(" FROM '{0}'", fileFullPath)); 70: sb.AppendFormat(string.Format(" WITH ( FIELDTERMINATOR = '{0}' , ROWTERMINATOR = '\n' )", delimeter)); 71:   72: sqlQuery = sb.ToString(); 73:   74: using (SqlConnection sqlConn = new SqlConnection(GetConnectionString())) 75: { 76: sqlConn.Open(); 77: SqlCommand sqlCmd = new SqlCommand(sqlQuery, sqlConn); 78: sqlCmd.ExecuteNonQuery(); 79: sqlConn.Close(); 80: } 81: } 82: protected void Page_Load(object sender, EventArgs e) 83: { 84:   85: } 86: protected void BTNImport_Click(object sender, EventArgs e) 87: { 88: if (FileUpload1.HasFile) 89: { 90: FileInfo fileInfo = new FileInfo(FileUpload1.PostedFile.FileName); 91: if (fileInfo.Name.Contains(".csv")) 92: { 93:   94: string fileName = fileInfo.Name.Replace(".csv", "").ToString(); 95: string csvFilePath = Server.MapPath("UploadedCSVFiles") + "\\" + fileInfo.Name; 96:   97: //Save the CSV file in the Server inside 'MyCSVFolder' 98: FileUpload1.SaveAs(csvFilePath); 99:   100: //Fetch the location of CSV file 101: string filePath = Server.MapPath("UploadedCSVFiles") + "\\"; 102: string strSql = "SELECT * FROM [" + fileInfo.Name + "]"; 103: string strCSVConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filePath + ";" + "Extended Properties='text;HDR=YES;'"; 104:   105: // load the data from CSV to DataTable 106:   107: OleDbDataAdapter adapter = new OleDbDataAdapter(strSql, strCSVConnString); 108: DataTable dtCSV = new DataTable(); 109: DataTable dtSchema = new DataTable(); 110:   111: adapter.FillSchema(dtCSV, SchemaType.Mapped); 112: adapter.Fill(dtCSV); 113:   114: if (dtCSV.Rows.Count > 0) 115: { 116: CreateDatabaseTable(dtCSV, fileName); 117: Label2.Text = string.Format("The table ({0}) has been successfully created to the database.", fileName); 118:   119: string fileFullPath = filePath + fileInfo.Name; 120: LoadDataToDatabase(fileName, fileFullPath, ","); 121:   122: Label1.Text = string.Format("({0}) records has been loaded to the table {1}.", dtCSV.Rows.Count, fileName); 123: } 124: else 125: { 126: LBLError.Text = "File is empty."; 127: } 128: } 129: else 130: { 131: LBLError.Text = "Unable to recognize file."; 132: } 133:   134: } 135: } 136: } 137: } The code above consists of three (3) private methods which are the GetConnectionString(), CreateDatabaseTable() and LoadDataToDatabase(). The GetConnectionString() is a method that returns a string. This method basically gets the connection string that is configured in the web.config file. The CreateDatabaseTable() is method that accepts two (2) parameters which are the DataTable and the filename. As the method name already suggested, this method automatically create a Table to the database based on the source DataTable and the filename of the CSV file. The LoadDataToDatabase() is a method that accepts three (3) parameters which are the tableName, fileFullPath and delimeter value. This method is where the actual saving or importing of data from CSV to SQL server happend. The codes at BTNImport_Click event handles the uploading of CSV file to the specified location and at the same time this is where the CreateDatabaseTable() and LoadDataToDatabase() are being called. If you notice I also added some basic trappings and validations within that event. Now to test the importing utility then let's create a simple data in a CSV format. Just for the simplicity of this demo let's create a CSV file and name it as "Employee" and add some data on it. Here's an example below: 1,VMS,Durano,[email protected] 2,Jennifer,Cortes,[email protected] 3,Xhaiden,Durano,[email protected] 4,Angel,Santos,[email protected] 5,Kier,Binks,[email protected] 6,Erika,Bird,[email protected] 7,Vianne,Durano,[email protected] 8,Lilibeth,Tree,[email protected] 9,Bon,Bolger,[email protected] 10,Brian,Jones,[email protected] Now save the newly created CSV file in some location in your hard drive. Okay let's run the application and browse the CSV file that we have just created. Take a look at the sample screen shots below: After browsing the CSV file. After clicking the Import Button Now if we look at the database that we have created earlier you'll notice that the Employee table is created with the imported data on it. See below screen shot.   That's it! I hope someone find this post useful! Technorati Tags: ASP.NET,CSV,SQL,C#,ADO.NET

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  • CodePlex Daily Summary for Sunday, April 15, 2012

    CodePlex Daily Summary for Sunday, April 15, 2012Popular ReleasesAssaultCube Reloaded: 2.4.1 Valor: POSSIBLE KNIFE CRASH FIX Codename Valor as suggested by LMFAO! on the forums Weapon tweaks Linux has Ubuntu 11.10 32-bit precompiled binaries and Ubuntu 10.10 64-bit precompiled binaries, but you can compile your own as it also contains the source. If you are using Mac or other operating systems, download the Linux package. The server pack is ready for both Windows and Linux, but you might need to compile your own for linux (source included)callisto: callisto 2.0.25: removed 2 ip ranges from hotspot shield black list.KBCsv: KBCsv V1.4.0.0: #11872 (skipping records with delimited text can break parser) #11873 (globalization support in CsvWriter) #11185 (more versatile constructor and method overloads)National Geographic Photo of the Day Wallpaper Changer: Photo of the Day Wallpaper Changer v2.0: National Geographic - Photo of the Day Wallpaper Changer v2.0 is an improved version. It has some new features like improved GUI, automatic update and date to date photo archiver etc. please check out the user guide for more information. Please copy the exe in a directory and run. Its that simple to use :).Coding4Fun Tools: Coding4Fun.Phone.Toolkit v1.5.6: Bug Fixes nuget was broken for Timespan and complete build due to how i did the target. Corrected and made all 3 match. Color Slider (and by default Color Picker) didn't respect view state for being disabled depending on how it was set. Test application now has test cases.Json.NET: Json.NET 4.5 Release 3: Change - DefaultContractResolver.IgnoreSerializableAttribute is now true by default Fix - Fixed MaxDepth on JsonReader recursively throwing an error Fix - Fixed SerializationBinder.BindToName not being called with full assembly namesVisual Studio Team Foundation Server Branching and Merging Guide: v2 - For Visual Studio 11: Welcome to the BETA of the Branching and Merging Guide preview As this is a BETA release and the quality bar for the final Release has not been achieved, we value your candid feedback and recommend that you do not use or deploy these BETA artifacts in a production environment. Quality-Bar Details Documentation has been reviewed by Visual Studio ALM Rangers Documentation has not been through an independent technical review Documentation has been reviewed by the quality and recording te...Media Companion: MC 3.435b Release: This release should be the last beta for 3.4xx. A handful of problems have been sorted out since last weeks release. If there are no major problems this time, it will upgraded to 3.500 Stable at the end of the week! General The .NET Framework has been modified to use the Client profile, as provided by normal Windows updates; no longer is there a requirement to download and install the Full profile! mc_com.exe has been worked on to mimic proper Media Companion output (a big thanks to vbat99...Wholemy.LinkedLists: wholemy.linkedlists.2012.04.12.38: libs and srcTHE NVL Maker: The NVL Maker Ver 3.12: SIM??????,TRA??????,ZIP????。 ????????????????,??????~(??????????????????) ??????? simpatch1440x900 trapatch1440x900 ?????1400x900??1440x900,?????????????Data.xp3。 ???? ?????3.12?EXE????????????????, ??????????????,??Tool/krkrconf.exe,??Editor.exe, ???????????????「??????」。 ?????Editor.exe??????。 ???? ???? http://etale.us/gameupload/THE_NVL_Maker_ver3.12_sim.zip ???? http://www.mediafire.com/?je51683g22bz8vo ??Infinite Creation?? http://bbs.etale.us/forum.php ?????? ???? 3.12 ??? ???、????...Quick Performance Monitor: Version 1.8.2: Version 1.8.2. Add the ability for qpmset files to also store the Window location/size so predefined 'sets' can be forced to always open on the same place of the screen.SnmpMessenger: 0.1.1.1: Project Description SnmpMessenger, a messenger. Using the SNMP protocol to exchange messages. It's developed in C#. SnmpMessenger For .Net 4.0, Mono 2.8. Support SNMP V1, V2, V3. Features Send get, set and other requests and get the response. Send and receive traps. Handle requests and return the response. Note This library is compliant with the Common Language Specification(CLS). The latest version is 0.1.1.1. It is only a messenger, does not involve VACM. Any problems, Please mailto: wa...Python Tools for Visual Studio: 1.1.1: We’re pleased to announce the release of Python Tools for Visual Studio 1.1.1. Python Tools for Visual Studio (PTVS) is an open-source plug-in for Visual Studio which supports programming with the Python language. PTVS supports a broad range of features including: • Supports CPython and IronPython • Python editor with advanced member and signature intellisense • Code navigation: “Find all refs”, goto definition, and object browser • Local and remote debugging • Profiling with multiple view...Supporting Guidance and Whitepapers: v1 - Team Foundation Service Whitepapers: Welcome to the BETA release of the Team Foundation Service Whitepapers preview As this is a BETA release and the quality bar for the final Release has not been achieved, we value your candid feedback and recommend that you do not use or deploy these BETA artifacts in a production environment. Quality-Bar Details Documentation has been reviewed by Visual Studio ALM Rangers Documentation has been through an independent technical review All critical bugs have been resolved Known Issue...LINQ to Twitter: LINQ to Twitter Beta v2.0.24: Supports .NET 3.5, .NET 4.0, Silverlight 4.0, Windows Phone 7.1, and Client Profile. 100% Twitter API coverage. Also available via NuGet.Kendo UI ASP.NET Sample Applications: Sample Applications (2012-04-11): Sample application(s) demonstrating the use of Kendo UI in ASP.NET applications.SCCM Client Actions Tool: SCCM Client Actions Tool v1.12: SCCM Client Actions Tool v1.12 is the latest version. It comes with following changes since last version: Improved WMI date conversion to be aware of timezone differences and DST. Fixed new version check. The tool is downloadable as a ZIP file that contains four files: ClientActionsTool.hta – The tool itself. Cmdkey.exe – command line tool for managing cached credentials. This is needed for alternate credentials feature when running the HTA on Windows XP. Cmdkey.exe is natively availab...Dual Browsing: Dual Browser: Please note the following: I setup the address bar temporarily to only accepts http:// .com addresses. Just type in the name of the website excluding: http://, www., and .com; (Ex: for www.youtube.com just type: youtube then click OK). The page splitter can be grabbed by holding down your left mouse button and move left or right. By right clicking on the page background, you can choose to refresh, go back a page and so on. Demo video: http://youtu.be/L7NTFVM3JUYLiberty: v3.2.0.1 Release 9th April 2012: Change Log-Fixed -Reach Fixed a bug where the object editor did not work on non-English operating systemsPath Copy Copy: 10.1: This release addresses the following work items: 11357 11358 11359 This release is a recommended upgrade, especially for users who didn't install the 10.0.1 version.New ProjectsADENA: This project consists in the development of a Graphical User Interface (GUI) for a proof assistant for Propositional Classical Logic based on Natural Deduction method.Alternity Warships Editor: This is a tool designed to easy the process of creating a new spaceship for Alternity using the Warship rules.BigBallz: Projeto de site de Bolões para campeonatos diversos. A princípio pensado para copa do mundo de futebol de 2010Crescent: bunch of mac scriptsDemoVasquez: Demo Proyecto 1Didrotuos: DidrotuosEat Out Advocate: Eat Out Advocate --------------------Kuttiflow: A simple implementation of Workflow for .NetLuan Van Cuoi Khoa: Lu?n van cu?i khoa ÐH Tây Nguyênmapaconwindowsphone: probar un mapa de bing mapsMovie Renamer: Is your movie collection a mess? No idea which movie is which? This tool easily renames movies based on the title and the year of the movie. Helps you sort out that movie collection! It will download from IMDB the closest matches based on the name of the file. Very simple written in WPF, so it will need the .NET 4 framework. At the moment you cannot set how you want to movie to be renamed, it will always be: "MovieTitle (Year).ext".Online Math Calculator: This is an Online Math Calculator. What this does is take your equation in the usual form and convert every variable to x, y, and every constant to a, b, c, d, e, etc... use wolfram|alpha and then convert back to the input format. This allows to input most equations.Orchard on Windows Azure with Dynamic Deploy: Dynamic Deploy is a cloud deployment platform. This project includes the Orchard source code that was used to create a Windows Azure build. The original source has not been modified. We have just added more themes and modules and modified web.config with a machine key. visit httppcvvpes: pcvvpesPesquisa de Satisfacao: PesquisaPit of Despair: An XNA 4.0 game in C# focused on learning to write overhead dungeon crawl games. Inpired from games such as Zelda, Wizardy, perhaps some original Final Fantasy.Prova Branquinho: Prova BranquinhoRibHat: RibHat is a framework for building websites, forums, blogs, and web-based information systems. It is a set of libraries that help the programmer to get rid from the immobility of CMS, obtaining a maximum level of customization.SetupWizard: a SetupWizard, install windows service, create IIS site, create database during installation.SharkOS: This operating system is the system Arkadia OS but with a GUI, it is created in c #, it will be fast and no lag.Shopping List: Shopping List is a simple WP7 application that enables tracking of items to buy when going for groceries.Sim Cricket: Cricket simulation game.. For cricket and C# fans.. Simple InterNET Daemon: Simple InterNET DaemonSteggy: Steganography project. SychevIgor Win8 Apps Source Code: SychevIgor Win8 Apps Source Codetest53768492156478: nothingTool to change monitor display frequency on HTPC: This is a small application that can change the monitors refresh-rate by simply running one of the applications for the desired refresh-rate. It was developed to make it easy to change the refresh rate, when launching external media players from XBMC and so on... And it was published here, so that others can see how easily it can be done.TravelSaver: Hajj Umrah USA, Travel SaverUpdateBot: UpdateBot is a GUI application that simplifies and automates the downloading and parsing of FileHippo.com's Update Checker result pages.

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  • Announcing ASP.NET MVC 3 (Release Candidate 2)

    - by ScottGu
    Earlier today the ASP.NET team shipped the final release candidate (RC2) for ASP.NET MVC 3.  You can download and install it here. Almost there… Today’s RC2 release is the near-final release of ASP.NET MVC 3, and is a true “release candidate” in that we are hoping to not make any more code changes with it.  We are publishing it today so that people can do final testing with it, let us know if they find any last minute “showstoppers”, and start updating their apps to use it.  We will officially ship the final ASP.NET MVC 3 “RTM” build in January. Works with both VS 2010 and VS 2010 SP1 Beta Today’s ASP.NET MVC 3 RC2 release works with both the shipping version of Visual Studio 2010 / Visual Web Developer 2010 Express, as well as the newly released VS 2010 SP1 Beta.  This means that you do not need to install VS 2010 SP1 (or the SP1 beta) in order to use ASP.NET MVC 3.  It works just fine with the shipping Visual Studio 2010.  I’ll do a blog post next week, though, about some of the nice additional feature goodies that come with VS 2010 SP1 (including IIS Express and SQL CE support within VS) which make the dev experience for both ASP.NET Web Forms and ASP.NET MVC even better. Bugs and Perf Fixes Today’s ASP.NET MVC 3 RC2 build contains many bug fixes and performance optimizations.  Our latest performance tests indicate that ASP.NET MVC 3 is now faster than ASP.NET MVC 2, and that existing ASP.NET MVC applications will experience a slight performance increase when updated to run using ASP.NET MVC 3. Final Tweaks and Fit-N-Finish In addition to bug fixes and performance optimizations, today’s RC2 build contains a number of last-minute feature tweaks and “fit-n-finish” changes for the new ASP.NET MVC 3 features.  The feedback and suggestions we’ve received during the public previews has been invaluable in guiding these final tweaks, and we really appreciate people’s support in sending this feedback our way.  Below is a short-list of some of the feature changes/tweaks made between last month’s ASP.NET MVC 3 RC release and today’s ASP.NET MVC 3 RC2 release: jQuery updates and addition of jQuery UI The default ASP.NET MVC 3 project templates have been updated to include jQuery 1.4.4 and jQuery Validation 1.7.  We are also excited to announce today that we are including jQuery UI within our default ASP.NET project templates going forward.  jQuery UI provides a powerful set of additional UI widgets and capabilities.  It will be added by default to your project’s \scripts folder when you create new ASP.NET MVC 3 projects. Improved View Scaffolding The T4 templates used for scaffolding views with the Add-View dialog now generates views that use Html.EditorFor instead of helpers such as Html.TextBoxFor. This change enables you to optionally annotate models with metadata (using data annotation attributes) to better customize the output of your UI at runtime. The Add View scaffolding also supports improved detection and usage of primary key information on models (including support for naming conventions like ID, ProductID, etc).  For example: the Add View dialog box uses this information to ensure that the primary key value is not scaffold as an editable form field, and that links between views are auto-generated correctly with primary key information. The default Edit and Create templates also now include references to the jQuery scripts needed for client validation.  Scaffold form views now support client-side validation by default (no extra steps required).  Client-side validation with ASP.NET MVC 3 is also done using an unobtrusive javascript approach – making pages fast and clean. [ControllerSessionState] –> [SessionState] ASP.NET MVC 3 adds support for session-less controllers.  With the initial RC you used a [ControllerSessionState] attribute to specify this.  We shortened this in RC2 to just be [SessionState]: Note that in addition to turning off session state, you can also set it to be read-only (which is useful for webfarm scenarios where you are reading but not updating session state on a particular request). [SkipRequestValidation] –> [AllowHtml] ASP.NET MVC includes built-in support to protect against HTML and Cross-Site Script Injection Attacks, and will throw an error by default if someone tries to post HTML content as input.  Developers need to explicitly indicate that this is allowed (and that they’ve hopefully built their app to securely support it) in order to enable it. With ASP.NET MVC 3, we are also now supporting a new attribute that you can apply to properties of models/viewmodels to indicate that HTML input is enabled, which enables much more granular protection in a DRY way.  In last month’s RC release this attribute was named [SkipRequestValidation].  With RC2 we renamed it to [AllowHtml] to make it more intuitive: Setting the above [AllowHtml] attribute on a model/viewmodel will cause ASP.NET MVC 3 to turn off HTML injection protection when model binding just that property. Html.Raw() helper method The new Razor view engine introduced with ASP.NET MVC 3 automatically HTML encodes output by default.  This helps provide an additional level of protection against HTML and Script injection attacks. With RC2 we are adding a Html.Raw() helper method that you can use to explicitly indicate that you do not want to HTML encode your output, and instead want to render the content “as-is”: ViewModel/View –> ViewBag ASP.NET MVC has (since V1) supported a ViewData[] dictionary within Controllers and Views that enables developers to pass information from a Controller to a View in a late-bound way.  This approach can be used instead of, or in combination with, a strongly-typed model class.  The below code demonstrates a common use case – where a strongly typed Product model is passed to the view in addition to two late-bound variables via the ViewData[] dictionary: With ASP.NET MVC 3 we are introducing a new API that takes advantage of the dynamic type support within .NET 4 to set/retrieve these values.  It allows you to use standard “dot” notation to specify any number of additional variables to be passed, and does not require that you create a strongly-typed class to do so.  With earlier previews of ASP.NET MVC 3 we exposed this API using a dynamic property called “ViewModel” on the Controller base class, and with a dynamic property called “View” within view templates.  A lot of people found the fact that there were two different names confusing, and several also said that using the name ViewModel was confusing in this context – since often you create strongly-typed ViewModel classes in ASP.NET MVC, and they do not use this API.  With RC2 we are exposing a dynamic property that has the same name – ViewBag – within both Controllers and Views.  It is a dynamic collection that allows you to pass additional bits of data from your controller to your view template to help generate a response.  Below is an example of how we could use it to pass a time-stamp message as well as a list of all categories to our view template: Below is an example of how our view template (which is strongly-typed to expect a Product class as its model) can use the two extra bits of information we passed in our ViewBag to generate the response.  In particular, notice how we are using the list of categories passed in the dynamic ViewBag collection to generate a dropdownlist of friendly category names to help set the CategoryID property of our Product object.  The above Controller/View combination will then generate an HTML response like below.    Output Caching Improvements ASP.NET MVC 3’s output caching system no longer requires you to specify a VaryByParam property when declaring an [OutputCache] attribute on a Controller action method.  MVC3 now automatically varies the output cached entries when you have explicit parameters on your action method – allowing you to cleanly enable output caching on actions using code like below: In addition to supporting full page output caching, ASP.NET MVC 3 also supports partial-page caching – which allows you to cache a region of output and re-use it across multiple requests or controllers.  The [OutputCache] behavior for partial-page caching was updated with RC2 so that sub-content cached entries are varied based on input parameters as opposed to the URL structure of the top-level request – which makes caching scenarios both easier and more powerful than the behavior in the previous RC. @model declaration does not add whitespace In earlier previews, the strongly-typed @model declaration at the top of a Razor view added a blank line to the rendered HTML output. This has been fixed so that the declaration does not introduce whitespace. Changed "Html.ValidationMessage" Method to Display the First Useful Error Message The behavior of the Html.ValidationMessage() helper was updated to show the first useful error message instead of simply displaying the first error. During model binding, the ModelState dictionary can be populated from multiple sources with error messages about the property, including from the model itself (if it implements IValidatableObject), from validation attributes applied to the property, and from exceptions thrown while the property is being accessed. When the Html.ValidationMessage() method displays a validation message, it now skips model-state entries that include an exception, because these are generally not intended for the end user. Instead, the method looks for the first validation message that is not associated with an exception and displays that message. If no such message is found, it defaults to a generic error message that is associated with the first exception. RemoteAttribute “Fields” -> “AdditionalFields” ASP.NET MVC 3 includes built-in remote validation support with its validation infrastructure.  This means that the client-side validation script library used by ASP.NET MVC 3 can automatically call back to controllers you expose on the server to determine whether an input element is indeed valid as the user is editing the form (allowing you to provide real-time validation updates). You can accomplish this by decorating a model/viewmodel property with a [Remote] attribute that specifies the controller/action that should be invoked to remotely validate it.  With the RC this attribute had a “Fields” property that could be used to specify additional input elements that should be sent from the client to the server to help with the validation logic.  To improve the clarity of what this property does we have renamed it to “AdditionalFields” with today’s RC2 release. ViewResult.Model and ViewResult.ViewBag Properties The ViewResult class now exposes both a “Model” and “ViewBag” property off of it.  This makes it easier to unit test Controllers that return views, and avoids you having to access the Model via the ViewResult.ViewData.Model property. Installation Notes You can download and install the ASP.NET MVC 3 RC2 build here.  It can be installed on top of the previous ASP.NET MVC 3 RC release (it should just replace the bits as part of its setup). The one component that will not be updated by the above setup (if you already have it installed) is the NuGet Package Manager.  If you already have NuGet installed, please go to the Visual Studio Extensions Manager (via the Tools –> Extensions menu option) and click on the “Updates” tab.  You should see NuGet listed there – please click the “Update” button next to it to have VS update the extension to today’s release. If you do not have NuGet installed (and did not install the ASP.NET MVC RC build), then NuGet will be installed as part of your ASP.NET MVC 3 setup, and you do not need to take any additional steps to make it work. Summary We are really close to the final ASP.NET MVC 3 release, and will deliver the final “RTM” build of it next month.  It has been only a little over 7 months since ASP.NET MVC 2 shipped, and I’m pretty amazed by the huge number of new features, improvements, and refinements that the team has been able to add with this release (Razor, Unobtrusive JavaScript, NuGet, Dependency Injection, Output Caching, and a lot, lot more).  I’ll be doing a number of blog posts over the next few weeks talking about many of them in more depth. Hope this helps, Scott P.S. In addition to blogging, I am also now using Twitter for quick updates and to share links. Follow me at: twitter.com/scottgu

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  • Entity is currently read-only

    - by George Evjen
    Quick post on an issue that we were having today. This fix may just be a band-aid for another issue but this fix at least got us moving again today. Since I didn’t see anything concrete online for a solution I figured I would post this as a part one fix and then post a more detailed fix later. We were getting this error earlier today in one of our projects that uses EF and WCF Ria Services. This entity is currently read-only. One of the following conditions exist: a custom method has been invoked, a submit operation is in progress, or edit operations are not supported for the entity type. The work around that we used for this is to simply do a check to see if the property is read only. Each entity has that property on it. private void SelectedInstitution_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)        {            if (!_personDetailContext.CurrentPerson.IsReadOnly)            {                _personDetailContext.CurrentPerson.LastUpdatedDate = DateTime.Now;            }        } We check to see if the CurrentPerson in this situation is readonly. If its not read only we go ahead and execute some other code. Again, this got us moving today, I am sure this is just step one in resolving this issue.

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  • Collision detection with multiple polygons simultaneously

    - by Craig Innes
    I've written a collision system which detects/resolves collisions between a rectangular player and a convex polygon world using the Separating Axis Theorem. This scheme works fine when the player is colliding with a single polygon, but when I try to create a level made up of combinations of these shapes, the player gets "stuck" between shapes when trying to move from one polygon to the other. The reason for this seems to be that collisions are detected after the player has been pushed through the shape by its movement or gravity. When the system resolves the collision, it resolves them in an order that doesn't make sense (for example, when the player is moving from one flat rectangle to another, gravity pushes them below the ground, but the collision with the left hand side of the second block is resolved before the collision with the top of the block, meaning the player is pushed back left before being pushed back up). Other similar posts have resolved this problem by having a strict rule on which axes to resolve first. For example, always resolve the collision on the y axis, then if the object is still colliding with things, resolve on the x axis. This solution only works in the case of a completely axis oriented box world, and doesn't solve the problem if the player is stuck moving along a series of angled shapes or sliding down a wall. Does any one have any ideas of how I could alter my collision system to prevent these situations from happening?

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