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• Allen for Umbraco - Upload photos from your iPhone - iPad and iPod Touch

  - by Vizioz Limited

  At last year's UK Umbraco Festival we gave a demo of our alpha version of Allen for Umbraco, at that stage the application only worked on an iPhone and was a very quick prototype to see what people thought.When we returned to our office the next day, we decided if we were going to release Allen for Umbraco into the wild we really should start again from scratch, the main two reasons for this were;First to ensure it was a truly Universal application ( i.e. it can be installed on an iPhone, iPad or iPod ) which looks and behaves differently depending on the device. The second reason was we really wanted the application to be the foundations of more than just image uploading for Umbraco, for this to be the case we ensured the new version was built following proven design patterns and with lots of unit tests so that we can easily extended it.We have lots of plans for future versions of Allen for Umbraco including adding iCloud support to keep all your settings in sync across your multiple Apple devices. We are also working on support for Umbraco 5 which should be release soon.When you download the App and setup your site, make sure you have a look at the Image Resizing settings, by default we have set these to resize your images to 512 pixels wide, however you can choose from a variety of different resizing methods (by Height, Width, Fit within a frame or the full size image).Also, by default when you select a photo you will see that the image is named with it's date and time stamp of when the photograph was taken (or the current date and time if the original date is not stored in your image). If you click on this name you can edit the name of your photo before it is uploaded.Finally, we are really keep to get your feedback, so within the App help section you will find a way to submit Suggestions and if needed, you can send up Support emails from within the App :)We hope you enjoy the first version of Allen for Umbraco and we look forward to bringing you lots of exciting additional functionality in the future!

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• Looking into Entity Framework Code First Migrations

  - by nikolaosk

  In this post I will introduce you to Code First Migrations, an Entity Framework feature introduced in version 4.3 back in February of 2012.I have extensively covered Entity Framework in this blog. Please find my other Entity Framework posts here .   Before the addition of Code First Migrations (4.1,4.2 versions), Code First database initialisation meant that Code First would create the database if it does not exist (the default behaviour - CreateDatabaseIfNotExists). The other pattern we could use is DropCreateDatabaseIfModelChanges which means that Entity Framework, will drop the database if it realises that model has changes since the last time it created the database.The final pattern is DropCreateDatabaseAlways which means that Code First will recreate the database every time one runs the application.That is of course fine for the development database but totally unacceptable and catastrophic when you have a production database. We cannot lose our data because of the work that Code First works.Migrations solve this problem.With migrations we can modify the database without completely dropping it.We can modify the database schema to reflect the changes to the model without losing data.In version EF 5.0 migrations are fully included and supported. I will demonstrate migrations with a hands-on example.Let me say a few words first about Entity Framework first. The .Net framework provides support for Object Relational Mappingthrough EF. So EF is a an ORM tool and it is now the main data access technology that microsoft works on. I use it quite extensively in my projects. Through EF we have many things out of the box provided for us. We have the automatic generation of SQL code.It maps relational data to strongly types objects.All the changes made to the objects in the memory are persisted in a transactional way back to the data store. You can find in this post an example on how to use the Entity Framework to retrieve data from an SQL Server Database using the "Database/Schema First" approach.In this approach we make all the changes at the database level and then we update the model with those changes. In this post you can see an example on how to use the "Model First" approach when working with ASP.Net and the Entity Framework.This model was firstly introduced in EF version 4.0 and we could start with a blank model and then create a database from that model.When we made changes to the model , we could recreate the database from the new model. The Code First approach is the more code-centric than the other two. Basically we write POCO classes and then we persist to a database using something called DBContext.Code First relies on DbContext. We create 2,3 classes (e.g Person,Product) with properties and then these classes interact with the DbContext class we can create a new database based upon our POCOS classes and have tables generated from those classes.We do not have an .edmx file in this approach.By using this approach we can write much easier unit tests.DbContext is a new context class and is smaller,lightweight wrapper for the main context class which is ObjectContext (Schema First and Model First).Let's move on to our hands-on example.I have installed VS 2012 Ultimate edition in my Windows 8 machine. 1)  Create an empty asp.net web application. Give your application a suitable name. Choose C# as the development language2) Add a new web form item in your application. Leave the default name.3) Create a new folder. Name it CodeFirst .4) Add a new item in your application, a class file. Name it Footballer.cs. This is going to be a simple POCO class.Place this class file in the CodeFirst folder.The code follows    public class Footballer     {         public int FootballerID { get; set; }         public string FirstName { get; set; }         public string LastName { get; set; }         public double Weight { get; set; }         public double Height { get; set; }              }5) We will have to add EF 5.0 to our project. Right-click on the project in the Solution Explorer and select Manage NuGet Packages... for it.In the window that will pop up search for Entity Framework and install it.Have a look at the picture below   If you want to find out if indeed EF version is 5.0 version is installed have a look at the References. Have a look at the picture below to see what you will see if you have installed everything correctly.Have a look at the picture below 6) Then we need to create a context class that inherits from DbContext.Add a new class to the CodeFirst folder.Name it FootballerDBContext.Now that we have the entity classes created, we must let the model know.I will have to use the DbSet<T> property.The code for this class follows     public class FootballerDBContext:DbContext     {         public DbSet<Footballer> Footballers { get; set; }             }    Do not forget to add  (using System.Data.Entity;) in the beginning of the class file 7) We must take care of the connection string. It is very easy to create one in the web.config.It does not matter that we do not have a database yet.When we run the DbContext and query against it , it will use a connection string in the web.config and will create the database based on the classes.I will use the name "FootballTraining" for the database.In my case the connection string inside the web.config, looks like this    <connectionStrings>    <add name="CodeFirstDBContext" connectionString="server=.;integrated security=true; database=FootballTraining" providerName="System.Data.SqlClient"/>                       </connectionStrings>8) Now it is time to create Linq to Entities queries to retrieve data from the database . Add a new class to your application in the CodeFirst folder.Name the file DALfootballer.csWe will create a simple public method to retrieve the footballers. The code for the class followspublic class DALfootballer     {         FootballerDBContext ctx = new FootballerDBContext();         public List<Footballer> GetFootballers()         {             var query = from player in ctx.Footballers select player;             return query.ToList();         }     } 9) Place a GridView control on the Default.aspx page and leave the default name.Add an ObjectDataSource control on the Default.aspx page and leave the default name. Set the DatasourceID property of the GridView control to the ID of the ObjectDataSource control.(DataSourceID="ObjectDataSource1" ). Let's configure the ObjectDataSource control. Click on the smart tag item of the ObjectDataSource control and select Configure Data Source. In the Wizzard that pops up select the DALFootballer class and then in the next step choose the GetFootballers() method.Click Finish to complete the steps of the wizzard.Build and Run your application.  10) Obviously you will not see any records coming back from your database, because we have not inserted anything. The database is created, though.Have a look at the picture below.  11) Now let's change the POCO class. Let's add a new property to the Footballer.cs class.        public int Age { get; set; } Build and run your application again. You will receive an error. Have a look at the picture below 12) That was to be expected.EF Code First Migrations is not activated by default. We have to activate them manually and configure them according to your needs. We will open the Package Manager Console from the Tools menu within Visual Studio 2012.Then we will activate the EF Code First Migration Features by writing the command “Enable-Migrations”.  Have a look at the picture below. This adds a new folder Migrations in our project. A new auto-generated class Configuration.cs is created.Another class is also created [CURRENTDATE]_InitialCreate.cs and added to our project.The Configuration.cs  is shown in the picture below. The [CURRENTDATE]_InitialCreate.cs is shown in the picture below  13) ??w we are ready to migrate the changes in the database. We need to run the Add-Migration Age command in Package Manager ConsoleAdd-Migration will scaffold the next migration based on changes you have made to your model since the last migration was created.In the Migrations folder, the file 201211201231066_Age.cs is created.Have a look at the picture below to see the newly generated file and its contents. Now we can run the Update-Database command in Package Manager Console .See the picture above.Code First Migrations will compare the migrations in our Migrations folder with the ones that have been applied to the database. It will see that the Age migration needs to be applied, and run it.The EFMigrations.CodeFirst.FootballeDBContext database is now updated to include the Age column in the Footballers table.Build and run your application.Everything will work fine now.Have a look at the picture below to see the migrations applied to our table. 14) We may want it to automatically upgrade the database (by applying any pending migrations) when the application launches.Let's add another property to our Poco class.          public string TShirtNo { get; set; }We want this change to migrate automatically to the database.We go to the Configuration.cs we enable automatic migrations.     public Configuration()        {            AutomaticMigrationsEnabled = true;        } In the Page_Load event handling routine we have to register the MigrateDatabaseToLatestVersion database initializer. A database initializer simply contains some logic that is used to make sure the database is setup correctly.   protected void Page_Load(object sender, EventArgs e)        {            Database.SetInitializer(new MigrateDatabaseToLatestVersion<FootballerDBContext, Configuration>());        } Build and run your application. It will work fine. Have a look at the picture below to see the migrations applied to our table in the database. Hope it helps!!!  

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• Remote control a computer using another computer

  - by Dean

  I've got a main desktop computer at home, I'd like watch movies using it but able to control it afar. For example, I would like to lay on my bed and control the desktop using my own laptop via wireless. I've been looking for solutions to my question. I tried to use remote desktop, I can pause the movie but I then have to go to the pc to log in the OS again. I also tried to bind my desktop to my mobile phone over bluetooth, this works as I can control the mouse etc. but I found I can barely see the mouse pointer when at long distance. I still wish I can use my laptop as a remote control, is this possible?

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• 2D character controller in unity (trying to get old-school platformers back)

  - by Notbad

  This days I'm trying to create a 2D character controller with unity (using phisics). I'm fairly new to physic engines and it is really hard to get the control feel I'm looking for. I would be really happy if anyone could suggest solution for a problem I'm finding: This is my FixedUpdate right now: public void FixedUpdate() { Vector3 v=new Vector3(0,-10000*Time.fixedDeltaTime,0); _body.AddForce(v); v.y=0; if(state(MovementState.Left)) { v.x=-_walkSpeed*Time.fixedDeltaTime+v.x; if(Mathf.Abs(v.x)>_maxWalkSpeed) v.x=-_maxWalkSpeed; } else if(state(MovementState.Right)) { v.x= _walkSpeed*Time.fixedDeltaTime+v.x; if(Mathf.Abs(v.x)>_maxWalkSpeed) v.x=_maxWalkSpeed; } _body.velocity=v; Debug.Log("Velocity: "+_body.velocity); } I'm trying here to just move the rigid body applying a gravity and a linear force for left and right. I have setup a physic material that makes no bouncing and 0 friction when moving and 1 friction with stand still. The main problem is that I have colliders with slopes and the velocity changes from going up (slower) , going down the slope (faster) and walk on a straight collider (normal). How could this be fixed? As you see I'm applying allways same velocity for x axis. For the player I have it setup with a sphere at feet position that is the rigidbody I'm applying forces to. Any other tip that could make my life easier with this are welcomed :). P.D. While coming home I have noticed I could solve this applying a constant force parallel to the surface the player is walking, but don't know if it is best method.

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• Gravity stops when side-collision detected

  - by Adrian Marszalek

  Please, look at this GIF: The label on the animation says "Move button is pressed, then released". And you can see when it's pressed (and player's getCenterY() is above wall getCenterY()), gravity doesn't work. I'm trying to fix it since yesterday, but I can't. All methods are called from game loop. public void move() { if (left) { switch (game.currentLevel()) { case 1: for (int i = 0; i < game.lvl1.getX().length; i++) game.lvl1.getX()[i] += game.physic.xVel; break; } } else if (right) { switch (game.currentLevel()) { case 1: for (int i = 0; i < game.lvl1.getX().length; i++) game.lvl1.getX()[i] -= game.physic.xVel; break; } } } int manCenterX, manCenterY, boxCenterX, boxCenterY; //gravity stop public void checkCollision() { for (int i = 0; i < game.lvl1.getX().length; i++) { manCenterX = (int) game.man.getBounds().getCenterX(); manCenterY = (int) game.man.getBounds().getCenterY(); if (game.man.getBounds().intersects(game.lvl1.getBounds(i))) { boxCenterX = (int) game.lvl1.getBounds(i).getCenterX(); boxCenterY = (int) game.lvl1.getBounds(i).getCenterY(); if (manCenterY - boxCenterY > 0 || manCenterY - boxCenterY < 0) { game.man.setyPos(-2f); game.man.isFalling = false; } } } } //left side of walls public void colliLeft() { for (int i = 0; i < game.lvl1.getX().length; i++) { if (game.man.getBounds().intersects(game.lvl1.getBounds(i))) { if (manCenterX - boxCenterX < 0) { for (int i1 = 0; i1 < game.lvl1.getX().length; i1++) { game.lvl1.getX()[i1] += game.physic.xVel; game.man.isFalling = true; } } } } } //right side of walls public void colliRight() { for (int i = 0; i < game.lvl1.getX().length; i++) { if (game.man.getBounds().intersects(game.lvl1.getBounds(i))) { if (manCenterX - boxCenterX > 0) { for (int i1 = 0; i1 < game.lvl1.getX().length; i1++) { game.lvl1.getX()[i1] += -game.physic.xVel; game.man.isFalling = true; } } } } } public void gravity() { game.man.setyPos(yVel); } //not called from gameloop: public void setyPos(float yPos) { this.yPos += yPos; }

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• Mac OS ? Assembly Language Esoteria

  - by veryfoolish

  I've been playing around with assembly and object files in general on Mac OS ? and was wondering if somebody could provide some edification. Specifically, I'm wondering what the extra code GCC generates when compiling the C file in the following example does. I have a toy C program so I can comprehend the assembly output. int main() { int a = 5; int b = 5; int c = a + b; } Running this through gcc -S creates the following assembly: .text .globl _main _main: LFB2: pushq %rbp LCFI0: movq %rsp, %rbp LCFI1: movl $5, -4(%rbp) movl $5, -8(%rbp) movl -8(%rbp), %eax addl -4(%rbp), %eax movl %eax, -12(%rbp) leave ret LFE2: .section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support EH_frame1: .set L$set$0,LECIE1-LSCIE1 .long L$set$0 LSCIE1: .long 0x0 .byte 0x1 .ascii "zR\0" .byte 0x1 .byte 0x78 .byte 0x10 .byte 0x1 .byte 0x10 .byte 0xc .byte 0x7 .byte 0x8 .byte 0x90 .byte 0x1 .align 3 LECIE1: .globl _main.eh _main.eh: LSFDE1: .set L$set$1,LEFDE1-LASFDE1 .long L$set$1 LASFDE1: .long LASFDE1-EH_frame1 .quad LFB2-. .set L$set$2,LFE2-LFB2 .quad L$set$2 .byte 0x0 .byte 0x4 .set L$set$3,LCFI0-LFB2 .long L$set$3 .byte 0xe .byte 0x10 .byte 0x86 .byte 0x2 .byte 0x4 .set L$set$4,LCFI1-LCFI0 .long L$set$4 .byte 0xd .byte 0x6 .align 3 LEFDE1: .subsections_via_symbols The LCFI1 section seems to contain the actual logic for the program, but I'm not sure what the misc. other stuff is for... also, is there any scheme these labels are following? I'm sorry this is such a vague question. I'd appreciate anything, including being pointed to a resource where I can find out more about this. Thanks!

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• PHP+Apache as forward/reverse proxy: ¿how to process client requests and server responses in PHP?

  - by Lightworker

  Hi! I'm having a lot of troubles with the propper configuration of Apache mod_proxy.so to work as desired... The main idea, is to create a proxy on a local machine in a network wich will have the ability to proces a client request (client connected through this Apache prepared proxy) in PHP. And also, it will have the capacity to process the server responses on PHP too. Those are the 2 funcionalities, and they are independent one from each other. Let me present a little schema of what I need to achive: As you can see here, there're 2 ways: blue one and red one. For the blue one, I basically conected a client (Machine B - cell phone) on my local network (home) and configured it to go thorugh a proxy, wich is the Machine A (personal computer) on the exactly same network. So let's say (not DHCP): Machine A: 192.168.1.40 -- Apache is running on this machine, and configured to listen port 80. Machine B (cell phone): 192.168.1.75 -- configured to go throug a proxy, wich is IP 192.168.1.75 and port 80 (basically, Machine A). After configuring Apache properly, wich is basically to remove the "#" from httpd.conf on the lines for the mod_proxy.so (main worker), mod_proxy_connect.so (SSL, allowCONNECT, ...) and mod_proxy_http.so (needed for handle HTTP request/responses) and having in my case, lines like this: # Implements a proxy/gateway for Apache. Include "conf/extra/httpd-proxy.conf" # Various default settings Include "conf/extra/httpd-default.conf" # Secure (SSL/TLS) connections Include "conf/extra/httpd-ssl.conf" wich gives me the ability to configure the file httpd-proxy.conf to prepare the forward proxy or the reverse proxy. So I'm not sure, if what I need it's a forward proxy or a reverse one. For a forward proxy I've done this: <IfModule proxy_module> <IfModule proxy_http_module> # # FORWARD Proxy # #ProxyRequests Off ProxyRequests On ProxyVia On <Proxy *> Order deny,allow # Allow from all Deny from all Allow from 192.168.1 </Proxy> </IfModule> </IfModule> wich basically passes all the packets normally to the server and back to the client. I can trace it perfectly (and testing that works) looking at the "access.log" from Apache. Any request I make with the cell phone, appears then on the Apache log. So it works. But here come the problem: I need to process those client requests. And I need to do it, in PHP. I have read a lot about this. I've read in detail the oficial site from Apache about mod_proxy. And I've searched a lot on forums, but without luck. So I thought about a first aproximation: 1) Forward proxy in Apache, passes all the packets and it's not possible to process them. This seems to be true, so, what about a reverse proxy? So I envisioned something like: ProxyRequests Off <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPass http://www.google.com http://www.yahoo.com ProxyPassReverse http://www.google.com http://www.yahoo.com which is just a test, but this should cause on my cell phone that when trying to navigate to Google, I should be going to Yahoo, isn't it? But not. It doesn't work. So you really see, that ALL the examples on Apache reverse proxy, goes like: ProxyPass /foo http://foo.example.com/bar ProxyPassReverse /foo http://foo.example.com/bar wich means, that any kind of request in a local context, will be solved on a remote location. But what I needed is the inverse! It's that when asking for a remote site on my phone, I solve this request on my local server (the Apache one) to process it with a PHP module. So, if it's a forward proxy, I need to pass through PHP first. If it's a reverse proxy, I need to change the "going" direction to my local server one to process first on PHP. Then comes in mind second option: 2) I've seen something like: <Proxy http://example.com/foo/*> SetOutputFilter INCLUDES </Proxy> And I started to search for SetOutputFilter, SetInputFilter, AddOutputFilter and AddInputFilter. But I don't really know how can I use it. Seems to be good, or a solution to me, cause with somethin' like this, I should can add an Input filter to process on PHP the client requests and send back to the client what I programed/want (not the remote server response) wich is the BLUE path on schema, and I should have the ability to add an Output filter wich seems to give me the ability to process the remote server response befor sending it to the client, wich should be the RED path on the schema. Red path, it's just to read server responses and play with em. But nothing more. The Blue path, it's the important one. Cause I will send to the client whatever I want after procesing the requests. I so sorry for this amazingly big post, but I needed to explain it as well as I can. I hope someone will understand my problem, and will help me to solve it! Lot of thanks in advance!! :)

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• uploading a python site to httpdocs?

  - by daniel Crabbe

  OK - so we've agreed to host a python site, got the files and not sure where to go next. We use a dedicated server and manage it mainly with plesk which has a tick box for a python support but not sure what this does. This is all the info i have from previous hosts; 10,000 ft overview The site is intended to run on a Linux host, specifically Ubuntu Server (tho it should be fine on most distros). The web framework is CherryPy ( http://cherrypy.org/ ), which is a Python based framework. There is no database as such, instead the data is kept in JS files and loaded by the front end. nicholasbarker.com.c6a4facf0192/www/js/video_content_items.js is a prime example of this. The main site templates are in nicholasbarker.com.c6a4facf0192/www/templates/ They are Cheetah templates ( http://www.cheetahtemplate.org/ ) and here's the file structure i've been sent - Could some explain to me how i'd go about uploading and running this site... Any help welcome! Dc

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• In-Application Support Made Easier

  - by matt.hicks

  With the availability of Oracle UPK 3.6.1 and Enablement Service Pack 1 for Oracle UPK 3.6.1 (Oracle Support login required for both), there are quite a few changes for content admins to absorb. In addition to the support added for dozens of application releases, patches and new target applications, we've also added features to make implementing and using In-Application Support even easier. First, the old Help Menu Integration Guides have been updated and combined into a single In-Application Support Guide. If you integrate UPK content for user assistance, or if you're interested in doing so, read the new guide! It covers all the integration steps, including a section on the new In-Application Support Configuration Utility. If you've integrated content in multiple languages, or if you've ever had to make configuration changes for UPK Help Integration, then you know how cumbersome it was to manually edit javascript files. No longer! The Player now includes a configuration utility that provides a web browser interface for setting all In-Application Support options. From the main screen, you see a list of applications covered by the published content. Clicking on an application name takes you to the edit configuration screen where you can set all Player options for that application. No more digging through the Player folders to find the right javascript file to edit. No complicated javascript syntax to make changes. And with Enablement Service Pack 1 we've added a new feature we're calling the Tabbed Gateway. The Tabbed Gateway is a top-level navigation bar for Help Integration. And all tabs, links, and text are controlled with the Configuration Utility... I think the Tabbed Gateway is a really cool and exciting feature for content launch. I can't wait to hear how your ideas for how to use it for your content. Let me know in comments or email!

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• How do I install GRUB on a RAID system installation?

  - by root45

  I'm trying to setup and install Ubuntu on a RAID 1 setup. I have two disks, sdb and sdc. I've been following this guide https://help.ubuntu.com/community/Installation/SoftwareRAID which more or less works for getting everything set up and Ubuntu installed. The problem is at the end of the installation, it tries to install GRUB. By default it tries my "first disk", which gives a "fatal error". I've tried installing it on a specific partion, e.g. sdb1 as well as RAID devices, e.g. md0, md1, etc.. Nothing seems to work. Edit: The actual error is "Unable to install GRUB in /dev/sdb Executing 'grub-install '/dev/sdb' failed. This is a fatal error." Then I'm taken back to the main install menu. If I choose "Install the GRUB boot loader on a hard disk" option, I can pick the partition, but entering sdb2 or md1 gives the same error. So I went ahead an just didn't install GRUB, which means now I presumably have a working Ubuntu installation, but I can't boot it. I've tried booting from the LiveCD to install GRUB, but I can't chroot into my system because it doesn't seem to recognize that my disk is a Linux disk. There's an error about it being a RAID partition. So basically I would really like to know how you know to which device to install GRUB at installation, or at the very least, how to install it on to my system now. I suppose I should also mention that sda is a Windows 7 installation that I would like to keep around and be able to access at boot. Thanks for any help.

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• Differences between FCKeditor and CKeditor?

  - by matt74tm

  Sorry, but I've not been able to locate anything (even on the official pages) informing me of the differences between the two versions. Even a query on their official forum has been unanswered for many months - http://cksource.com/forums/viewtopic.php?f=11&t=17986&start=0 The license page talks a bit about the "internal" differences http://ckeditor.com/license CKEditor Commercial License - CKSource Closed Distribution License - CDL ... This license offers a very flexible way to integrate CKEditor in your commercial application. These are the main advantages it offers over an Open Source license: * Modifications and enhancements doesn't need to be released under an Open Source license; * There is no need to distribute any Open Source license terms alongside with your product and no reference to it have to be done; * No references to CKEditor have to be done in any file distributed with your product; * The source code of CKEditor doesn’t have to be distributed alongside with your product; * You can remove any file from CKEditor when integrating it with your product.

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• Move Emails Easily Using Search - Outlook 2011 Feature on the MAC for Outlook 2010 Windows

  - by Arthor

  My main email client is Outlook 2010 for Windows 7. I also have a Mac but I do not use it that much however on the MAC you have Outlook 2011. In my Outlook 2010 for Windows 7, I have many many folders. There is one feature I would like to know if it is available or something similar which is on Outlook 2011 for the Mac. On the Outlook 2011 for the mac you can go to: Top Menu Message Move Choose Folder or press (SHIT+CMD "press" M) This bring up a box where you can just type the beginning part of the folder and all the folders with that beginning appears (To search), you select the one you want and the selected emails move to that folder. I hope I have explained it well. Does anyone know if there is a plugin on Outlook 2010 or may I have just missed the function. Thank you

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• Deferred vs Immediate execution in Linq

  - by Jalpesh P. Vadgama

  In this post, We are going to learn about Deferred vs Immediate execution in Linq.  There an interesting variations how Linq operators executes and in this post we are going to learn both Deferred execution and immediate execution. What is Deferred Execution? In the Deferred execution query will be executed and evaluated at the time of query variables usage. Let’s take an example to understand Deferred Execution better. Example: Following is a code for that. using System; using System.Collections.Generic; using System.Linq; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { var customers = new List<Customer>( new[] { new Customer{FirstName = "Jalpesh",LastName = "Vadgama"}, new Customer{FirstName = "Vishal",LastName = "Vadgama"}, new Customer{FirstName = "Tushar",LastName = "Maru"} } ); var newCustomers = customers.Where(c => c.LastName == "Vadgama"); customers.Add(new Customer {FirstName = "Teerth", LastName = "Vadgama"}); foreach (var c in newCustomers) { Console.WriteLine(c.FirstName); } } public class Customer { public string FirstName { get; set; } public string LastName { get; set; } } } } More on my personal blog @www.dotnetjalps.com

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• Uganda .NET Usergroup meeting (February 2010)

  - by Malisa L. Ncube

  We had a very interesting .NET meeting in which i gave a short presentation on the new features of .NET 4.0 and Visual Studio 2010. The main presentation came from Jake Markhus @jmarkhus who talked about NHibernate (http://nhforge.org).   The membership for the group is growing each time we meet and its very encouraging. Some employers found candidates within our group for hiring, and this has resulted in a mutual benefit between the employers and job-seekers – really cool stuff.   Jake above giving us the soup and nuts of NHibernate. We were very excited since a number companies decided to support us in many ways. Some members won the licenses for Telerik Suite (http://www.telerik.com) while Intellisense LTD (http://www.intellisense.co.ug) agreed to sponsor us on domain registration and hosting of the community site. Jake announced on the possibility of having DevExpress (http://www.devexpress.com) sponsor us on 2 licenses of CodeRush http://www.devexpress.com/coderush which would be won in the next meeting raffle. I (@malisancube) would like to thank all the companies and individuals who have decided to sponsor us as a community of developers. We appreciate your support very much. You can download the presentations here Jan 2010 “VS2010 and NET 4.0” by Malisa Ncube. Feb 2010 “Using NHibernate” by Jake Markhus   Technorati Tags: Uganda .NET Usergroup,.NET 4.0,Community,NHibernate

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• Windows Azure Evolution &ndash; Preview Developer Portal

  - by Shaun

  With the MEET Windows Azure event on 7th June, there are many new features and updates in windows azure platform. In the coming several posts I will try to cover some of them. And in the first post here I would like to just have a quick walkthrough of the new preview developer portal.   History of the Developer Portal If you have been working with windows azure since 2009 or 2010, you should remember the first version of the developer portal. It was built in HTML with very limited features. I have the impression when I was using is old one. The layout is not that attractive and you have very limited features. On November, 2010 alone with the SDK 1.3 release, the developer portal was getting a big jump. In order to give more usability and features this it turned to be built on Silverlight. Hence it runs like a desktop application with many windows, lists, commands and context menus. From 2010 till now many features were involved into this portal, such as the remote desktop, co-admin, virtual connect, VM role, etc.. And the portal itself became more and more complicated. But it brought some problems by using the Silverlight. The first one is the browser capability. As you know in most mobile and tablet device the browser doesn’t allow the rich content plugin, such as Flash and Silverlight. This means people cannot open and configure their azure services from their iPad, iPhone and Windows Phone, etc., even though what they need may just be restart a hosted service, or view the status of their databases. Another problem is the performance. Silverlight provides rich experience to the users, but also needs more bandwidth. So in this upgrade the preview developer portal will be back to use HTML, with JavaScript, as a mobile friendly, cross browser, interactively web site.   Preview Portal vs. Silverlight Portal Before I started to talk about the new preview portal I’d better highlight that, this preview portal is a PREVIEW version, which means even though you can do almost all features that already in the old one, as long as some cool new features I will mention in the coming several posts, there are something still under developed and migrated. So sometimes you need to switch back to the old one. For example, in preview portal there is no co-admin manage function, no remote desktop function and the SQL database manage function will take you back to the old SQL Azure Manage Portal. But as Microsoft said these missing features will be moved in the preview portal in the couple of next few months. Since the public URL of the developer portal, https://windows.azure.com/, had been changed to point to this preview one, you need to click to preview button on top of the page and click the “Take me to the previous portal” link.   Overview There are four parts in the preview portal. On the top is the header which shows the account you are currently logging in. If you click on the header it will show the top menu of windows azure, where you can navigate to the windows azure home page, the price information page, community and account, etc.. The navigation bar is on the left hand side, with the categories listed below. ALL ITEMS All items in your windows azure account, includes the web sites, services, databases, etc.. WEB SITES The web sites in your windows azure account. It will only show the web sites you have. The linked resources will be shown if you drill down into a web site. VIRTUAL MACHINES The virtual machines that you had been deployed to azure. CLOUD SERVICES All windows azure hosted services in your account. SQL DATABASES All SQL databases (SQL Azure) in your account. STORAGE All windows azure storage services in your account. NETWORKS The virtual network (Windows Azure Connect) you had been created. The available items will be listed in the main part of the page based on which category your currently selected. If there’s no item it will show the link to you to quick create. At the bottom of the page there will be the command and information bar. Based on what is selected and what is performed by the user, it will show the related information and commands. For example, in the image below when I was creating a new web site, the information bar told me that my web site is being provisioned; and there are two commands in the command bar. And once it ready the command bar will show some commands that I can do to my new web site. The “Web Sites” is a new feature introduced alone with this upgrade. It gives us an easier and quicker way to establish a website from the scratch or from some existing library. I will introduce it more details in the coming next post. Also in the command bar you can create a service by clicking the NEW button. It will slide the creation panel up to you.   Where’s My Hosted Services The Windows Azure Hosted Services had been renamed to the Cloud Services. Create a new service would be very easy. Just click the NEW button at the bottom of the page, and select the CLOUD SERVICE and QIUICK CREATE. This will create a blank hosted service without deployment and certificate. It just needs you to specify the service URL and the affinity/region. Then the service will be shown in the list. If you clicked the item all information will be shown in the main part. Since there’s no package deployed to this service so currently we cannot see any information about it. But we can upload the package by using the command at the bottom. And as you can see, we could manage the configuration, instances, certificates and we can scale up and down (change the VM size), in and out (increase and decrease the instance count) to our service. Assuming I had created an ASP.NET MVC 3 web role project in Visual Studio and completed the package. Then I can click the UPLOAD button in this page to deploy my package. In the popping up window I just specify my deployment name, package file and configure file. Also I can check the box below so that it will NOT warn me if only one instance of this deployment. Once we clicked the OK button our package will be uploaded and provisioned by the platform. After a while we can see the service was ready from the information bar. We can have the basic information about this service and deployment if we to the dashboard page. For example the usage overview diagram, status, URL, public IP address, etc.. In the configure page we can view and change the CSCFG content such as the monitor setting, connection strings, OS family. In scale page we can increase and decrease the count of the instances. And in the instances page we can view all instances status. And, if your services is using some SQL databases and storages they will be shown as the linked resources under the linked resources page. And you can manage the certificates of this service as well under the certificates page.   How About My Storage Services The storage service can be managed by clicking into the STORAGES link in the navigation bar. And we can create a new storage service from the NEW button. After specify the storage name and region it will be previsioned by the platform. If you want to copy or manage the storage key you can just click the Manage Keys button at the bottom, which is very easy. What I want to highlight here is that, you can monitor your storage service by enabling the monitor configuration. Click the storage item in the list and navigate to the configure page. As you can see in the page you can enable the monitoring for blob, table and queue. And you can also enable the logging when any requests come to the storage. But as the tooltip shown in the page, enabling the monitoring and logging will increase the usage of the storage, which means increase the bill of them. So make sure you enable them properly.   And My SQL Databases (SQL Azure) The last thing I want to quick introduce is the SQL databases, which was formally named SQL Azure. You can create a new SQL Database Server and a new database by clicking the ADD button under the SQL Database navigation item. In the popping up windows just specify the database name, the edition, size, collation and the server. You can select an existing SQL Database Server if you have, or cerate a new one. If you selected to create a new server, there will be another step you need to do, which is specify the server login, password and the region. Once it ready you can mange your databases as well as the servers in the portal. In a particular server you can update the firewall settings in its Configure page. So, What Else There are some other area on the preview portal I didn’t cover, such as the virtual machines, virtual network and web sites. Regarding the virtual machines and web sites I will talk about them in the future separated post. Regarding the virtual network, it the Windows Azure Connect we are familiar with. But as I mention in the beginning of this post, the preview portal is still under developed. Some features are not available here. For example, you cannot manage the co-admin of your subscriptions, you cannot open the remote desktop on your hosted services, and you cannot navigate to the Windows Azure Service Bus, Access Control and Caching, which formally named Windows Azure AppFabric directly. In these cases you need to navigate back to the old portal. So in the coming several months we might need to use both these two sites.   Summary In this post I quick introduced the new windows azure developer portal. Since it had been rearranged and renamed I demonstrated some features that existing in the old portal, such as how to create and deploy a hosted service, how to provision a storage service and SQL database. All features in the old portal had been, is being and will be migrated into this new portal, but some of them were in a different category and page we need to figure out.   Hope this helps, Shaun All documents and related graphics, codes are provided "AS IS" without warranty of any kind. Copyright © Shaun Ziyan Xu. This work is licensed under the Creative Commons License.

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• Should interfaces inherit interfaces

  - by dreza

  Although this is a general question it is also specific to a problem I am currently experiencing. I currently have an interface specified in my solution called public interface IContextProvider { IDataContext { get; set; } IAreaContext { get; set; } } This interface is often used throughout the program and hence I have easy access to the objects I need. However at a fairly low level of a part of my program I need access to another class that will use IAreaContext and perform some operations off it. So I have created another factory interface to do this creation called: public interface IEventContextFactory { IEventContext CreateEventContext(int eventId); } I have a class that implements the IContextProvider and is injected using NinJect. The problem I have is that the area where I need to use this IEventContextFactory has access to the IContextProvider only and itself uses another class which will need this new interface. I don't want to have to instantiate this implementation of IEventContextFactory at the low level and would rather work with the IEventContextFactory interface throughout. However I also don't want to have to inject another parameter through the constructors just to have it passed through to the class that needs it i.e. // example of problem public class MyClass { public MyClass(IContextProvider context, IEventContextFactory event) { _context = context; _event = event; } public void DoSomething() { // the only place _event is used in the class is to pass it through var myClass = new MyChildClass(_event); myClass.PerformCalculation(); } } So my main question is, would this be acceptable or is it even common or good practice to do something like this (interface inherit another an interface): public interface IContextProvider : IEventContextFactory or should I consider better alternatives to achieving what I need. If I have not provided enough information to give suggestions let me know and I can provide more.

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• Set up iis7.5 to deny connections outside of LAN for certain folder

  - by Darkcat Studios

  Im setting up a combined website and extranet currently, they both read from the same database on the same server as the site is hosted on. The reason being that the website is fed from the data that the staff plug into the extranet interface. it also links in to AD for authorising access to the extranet. I have the extranet in a folder within the website folder. What I want to do is only allow the extranet to be accessed from computers within our LAN, but allow the main website to be freely accessible to internet users. I have it set up as a generic web server currently, so anyone can view anything (well up to the point where the user is asked to log into the extranet of course! I have read a lot on this but nothing I read applies to, or works in IIS7.5

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• CodePlex Daily Summary for Friday, March 26, 2010

  CodePlex Daily Summary for Friday, March 26, 2010New Projects.NET settings class generator T4 templates: A couple of T4 templates to generate a Settings class for your .NET project. Allows you to define your application settings in an XML file and have...AlphaPagedList: AlphaPagedList makes it easier for .Net developers to write paging code. Based on PagedList it allows you to take any List<T> and split it based on...C# Projects: C# ProjectsChitme: Aenean feugiat pharetra enim rhoncus viverra. In at nunc nec sem varius bibendum. Aliquam erat volutpat. Nullam fringilla facilisis massa et eleife...CloudCache - Distributed Cache Tier with Azure: Cloudcache makes it easier for you to manage and deploy a distributed caching tier to Windows Azure. Included is a web-dashboard in MVC 2.0, Memcac...Composer: Composer is an extensible Compositional Architecture framework, providing a set of functionality such as Inversion of Control container (IoC), Depe...Data Connection Suite: Data Connection Suite is a set of easy to use data connection string builder dialogs & controls ready to be integrated in any .NET application.DatabaseHandler: Database HandlerEPiServer Blog Page Provider: A example page provider implementation for EPiServer that supports external blog sources for pages, Blogger and WordPress supported out of the box ...Extended MessageBox: ExtendedMessageBox makes it easier to display messages from your Windows applications. Based on the built-in .NET MessageBox class functionality, i...FluentPath: FluentPath implements a modern wrapper around System.IO, using modern patterns such as fluent APIs and Lambdas. By using FluentPath instead of Syst...Halcyone : Silverlight without pain: Halcyone is application framework for Silverlight that should make live of developers easier =)IlluminaRT: Real-time renderingme2: Mista Engine 2MessegeBox RightToLeft Lib: This is really simple lib project for use RTL in MessegeBox class. This just for short code and default option for RTL.MS Word Automation Service: A MS Word Automation service that comsumes a Word template and combines with XML to produce a word document. Currently in production. Must add some...SharePoint - Site Request InfoPath Form Template: This template allow portal user to enter initial information for requesting of creating a new SharePoint site. TextFlow - Text Editor: TextFlow is a fast and light text editor that simplifies day-to-day tasks. You can create letters and documents through TextFlow. It also includes ...TiledLib: A library for using Tiled (http://mapeditor.org) levels in XNA Game Studio projects. Includes a content pipeline extension and runtime library.wcf learning 2010: myWCFprojectsNew Releases.NET settings class generator T4 templates: Example 1: An example project containing the T4 templates and associated files. SingleSite - generate settings for a single site MultiSite - generate setting...AccessibilityChecker: Accessibility Checker V0.1: SharePoint Accessibility Checker V0.1AlphaPagedList: AlphaPagedList v0.9: Initial release of AlphaPagedListASP.Net RIA Controls: Version 1.1 Beta: New XHTML compliant version with alternative content support if no plugin installed.Business & System Analysis Templates and Best Practices: R 00: You may find out here the structured on my own materials from from Luxoft ReqLabs 2009 + short presentation about System Analysis and Modelling. Th...CloudCache - Distributed Cache Tier with Azure: v1.0.0.0: First release! More information at http://blog.shutupandcode.net/?p=935CycleMania Starter Kit EAP - ASP.NET 4 Problem - Design - Solution: Cyclemania 0.08.39: implemented client side functions on remainder of account pagesDevTreks -social budgeting that improves lives and livelihoods: Social Budgeting Web Software, DevTreks alpha 3d: Alpha 3d is a general bug fix -tweaking pagination, navigation, packaging, file system storage, page validation, security, locals, and linked views.Digital Media Processing Project 1: Image Processor: Image Processor 1.01: Supports opening files through Windows Explorer or by drag and drop.Extended MessageBox: ExtendedMessageBox Runtime Version 1.2: Initial releaseExtended MessageBox: SourceCode for Version 1.2: Initial SourceCodeFluent Ribbon Control Suite: Fluent Ribbon Control Suite 1.0: Fluent Ribbon Control Suite 1.0 Includes: Fluent.dll (with .pdb and .xml, debug and release version) Showcase Application Samples Foundation (T...FluentPath: FluentPath Beta: The Beta release of FluentPath.HaterAide ORM: HaterAide ORM 1.5: This version is a, more or less, rewrite of the code base. Also many new features have been added in this release: 1) Foreign keys are now added to...iTuner - The iTunes Companion: iTuner 1.2.3735 Beta: V1.2 allows you to synchronize one or more iTunes playlists to a USB MP3 player. This continues the evolution yet maintains the minimalistic appro...LogWin-Logging Your Computer Activities: LogWin-Logging your computer activities: This program is logging your computer activities and display them as table and pie chart. It is made by native C , HTML Dialog and Google Chart API.MessegeBox RightToLeft Lib: MessegeBoxRTL-1.0.0.0_BIN: My First upload.. This is binary release only. Have fun.MessegeBox RightToLeft Lib: MessegeBoxRTL-1.0.0.0_SRC: My first upload.. This is source code with binary. Have fun.MS Word Automation Service: Alpha: In production already, but who cares. It works.MultiMenu ASP.NET Cascading Menu WebControl: MultiMenu 2.6 ASP.NET Menu: Fixed problems that prevented the menu from working with the XHTML DocTypes Added support for IE 7-8 Added XmlLoading and XmlLoaded events Ad...netgod: LanyoWebBrowser: Lanyo ERP ClientnopCommerce. Open Source online shop e-commerce solution.: nopCommerce 1.50: To see the full list of fixes and changes please visit the release notes page (http://www.nopCommerce.com/ReleaseNotes.aspx).Open NFe: Open NFe v1.9.7: Fontes do DANFe 1.9.7 Trim na conversão TXT para XMLpatterns & practices - Smart Client Guidance: Smart Client Software Factory 2010 Beta Source: The Smart Client Software Factory 2010 provides an integrated set of guidance that assists architects and developers in creating composite smart cl...Physics Helper for Silverlight, WPF, Blend, and Farseer: PhysicsHelper 3.0.0.5 Alpha: This release supports Windows Phone 7 Series Development, along with the Silverlight 3 and WPF support. It requires Visual Studio 2010, plus the Wi...Protein Insight: ProteinInsight V2.0.1: Protein Insight is protein structure visualization system. Visualization rendering engine is based on native C and Direct3D, plug-in is based on CL...PSFGeneric: ERP / CRM business management and administration: PSFGeneric 1.4.0.9000 Manual and power-ups ASNIA: PSFGeneric 1.4.0.9000 Tareas 2.1.0 MySQL Persistente 1.0.3 TM-U220 40 col. Driver 1.0.0 Gestor Contable Básico 1.1.2.1 Cafetería 1.1.6 Catalogo 1....QuestTracker: QuestTracker 0.2: Primary new feature: Import/Export Quest Log. Deleting anything will cause an automatic export prior to deletion, automatically backing up your log...Reusable Library: V1.0.5: A collection of reusable abstractions for enterprise application developer.Reusable Library Demo: Reusable Library Demo v1.0.3: A demonstration of reusable abstractions for enterprise application developerSharePoint - Site Request InfoPath Form Template: SharePoint - Site Request InfoPath Form Template: This template allow portal user to enter initial information for requesting of creating a new SharePoint site To install: 1. Run the SiteRequest.m...Silverlight Gantt Chart: Silverlight Gantt Chart 1.2: Updates include ability to add GanttNodeSections that allow for multiple GanttItems in a single row.Spiral Architecture Driven Development (SADD): SADD v.1.0: This is the First complete Release with the NEW materials now all in English ! The abstract from the main article named "SADD-MSAJ-The Spiral Arc...Spiral Architecture Driven Development (SADD) for Russian: SADD v.1.0: Это Первая Версия полного релиза SADD на русском языке. Отрывок из этой статьи опубликован в Microsoft Architecture Journal #23, вы можете найти в ...Sprite Sheet Packer: 2.3 Release: SpriteSheetPacker now supports saved user settings so the app will now remember your previous values for padding, image size, image options, whethe...Standalone XQuery Implementation in .NET: 1.4: This is version 1.4 of the QueryMachine.XQuery. It's includes bug fixes and performance optimization. Document load time is dramatically increased...TextFlow - Text Editor: Kernel: TextFlow core KernelTextFlow - Text Editor: TextFlow Beta 3 Technical Preview: This is a technical preview of TextFlow and is made to run for 40 days after which it will expire. Changes : 140 Bug fixes Supports Windows(R) 7...TiledLib: TiledLib 1.0: First release of TiledLib. This download is for prebuilt DLLs and a demo project. For the full source code, use the Source Code tab to download the...UnGrouper: Current build: This is a preview build. Hide and show the main window with winkey+a. IMPORTANT NOTE: You must close all applications before launching this build ...VCC: Latest build, v2.1.30325.0: Automatic drop of latest buildWCF Metal: WCFMetal 0.3.0.0: WCFMetal 0.3.0.0Copyright © 2010 John Leitch Distributed under the terms of the GNU General Public License Summary By utilizing LINQ to SQL gene...Web Log Analyzer: Release Indihiang 1.0: For installation and how to use, please read Indihiang portal: http://wiki.indihiang.com What's New in Indihiang 1.0 ? check http://geeks.netindone...異世界の新着動画: Ver. 10-03-25: ニコ生仕様に対応Most Popular ProjectsMetaSharpRawrWBFS ManagerASP.NET Ajax LibrarySilverlight ToolkitMicrosoft SQL Server Product Samples: DatabaseAJAX Control ToolkitLiveUpload to FacebookWindows Presentation Foundation (WPF)ASP.NETMost Active ProjectsRawrjQuery Library for SharePoint Web ServicesBlogEngine.NETFarseer Physics EngineFacebook Developer ToolkitLINQ to TwitterFluent Ribbon Control SuiteTable2ClassNB_Store - Free DotNetNuke Ecommerce Catalog ModulePHPExcel

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• Best way to start in C# and Raknet?

  - by cad

  I am trying to learn Raknet from C# and I found it extremely confusing. Raknet tutorial seems to work easy and nice in C++. I have already make some chat server code from tutorial. But I am looking to do something similar in C# and I find a mess. - Seems that I need to compile raknet using SWIG to have like an interface? - Also I have found a project called raknetdotnet but seems abandoned..(http://code.google.com/p/raknetdotnet/) So my main question is what is the best way to code in C# using raknet? As secondary questions: Anyone can recomend me good tutorial in raknet AND c#? Is there any sample C# code that I can download? I have readed lot of pages but I didn't get anything clear so I hope someone that has lived this before can help me. Thanks PD: Maybe raknet is obsolete (I find a lot of code and posts from 2007) and there is a better tool to achieve what I want. (I am interested in making a game with a dedicated server.)

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• Conditional Operator Example

  - by mbcrump

  If you haven’t taken the time to learn conditional operators, then now is the time. I’ve added a quick and dirty example for those on the forums.   Code Snippet using System; using System.Net.Mail; using System.Net; using System.Globalization; using System.Windows.Forms;   class Demo {     //Please use conditional statements in your code. See example below.       public static void Main()     {         int dollars = 10;           //Bad Coder Bad !!! Don't do this         if (dollars == 1)         {             Console.WriteLine("Please deposit {0} dollar.", dollars);         }         else         {             Console.WriteLine("Please deposit {0} dollars.", dollars);         }             //Good Coder Good !!! Do this         Console.WriteLine("Please deposit {0} dollar{1}.", dollars, dollars == 1 ? ' ' : 's');         //                                                          expression   ? true : false           Console.ReadLine();          } }

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• Extension Methods in Dot Net 2.0

  - by Tom Hines

  Not that anyone would still need this, but in case you have a situation where the code MUST be .NET 2.0 compliant and you want to use a cool feature like Extension methods, there is a way.  I saw this article when looking for ways to create extension methods in C++, C# and VB:  http://msdn.microsoft.com/en-us/magazine/cc163317.aspx The author shows a simple  way to declare/define the ExtensionAttribute so it's available to 2.0 .NET code. Please read the article to learn about the when and why and use the content below to learn HOW. In the next post, I'll demonstrate cross-language calling of extension methods. Here is a version of it in C# First, here's the project showing there's no VOODOO included: using System; namespace System.Runtime.CompilerServices {    [       AttributeUsage(          AttributeTargets.Assembly          | AttributeTargets.Class          | AttributeTargets.Method,       AllowMultiple = false, Inherited = false)    ]    class ExtensionAttribute : Attribute{} } namespace TestTwoDotExtensions {    public static class Program    {       public static void DoThingCS(this string str)       {          Console.WriteLine("2.0\t{0:G}\t2.0", str);       }       static void Main(string[] args)       {          "asdf".DoThingCS();       }    } }   Here is the C++ version: // TestTwoDotExtensions_CPP.h #pragma once using namespace System; namespace System {        namespace Runtime {               namespace CompilerServices {               [                      AttributeUsage(                            AttributeTargets::Assembly                             | AttributeTargets::Class                            | AttributeTargets::Method,                      AllowMultiple = false, Inherited = false)               ]               public ref class ExtensionAttribute : Attribute{};               }        } } using namespace System::Runtime::CompilerServices; namespace TestTwoDotExtensions_CPP { public ref class CTestTwoDotExtensions_CPP {    public:            [ExtensionAttribute] // or [Extension]            static void DoThingCPP(String^ str)    {       Console::WriteLine("2.0\t{0:G}\t2.0", str);    } }; }

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• Bloggers Unite at Annual OpenWorld Blogger Meetup

  - by Bob Rhubart

  OTN is pleased to be once again be working with our friends at Pythian to sponsor the 2012 edition of the annual Blogger Meet-up, a grassroots community event that occurs during Oracle OpenWorld. What: Oracle Bloggers Meetup 2012 When: Wed, 3-Oct-2012, 5:30pm Where: Main Dining Room,Jillian’s Billiards @ Metreon 101 Fourth Street San Francisco, CA 94103 (street view). Please RSVP The meet-up was started several years ago by Oracle ACE Director Mark Rittman as a casual get-together for the community of bloggers who share a common interest in Oracle technologies to gather for shop talk and an adult beverage or two. This was the first opportunity for of many of these bloggers to meet face to face, and the gathering gained momentum. A few years in Oracle ACE Director Eddie Awad stepped in as organizer, until passing the torch in 2009 to Pythian CTO and Oracle ACE Director Alex Gorbachev , who continues to keep the flame burning.  Bloggers with expertise in any and all Oracle products and technologies are invited to attend. Please RSVP via the comments section in Alex's blog. Several blog aggregators are available that make it possible to track the activity of this community of bloggers. You'll find a list here (orafaq.com)

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• How to cross-reference many character encodings with ASCII OR UTFx?

  - by Garet Claborn

  I'm working with a binary structure, the goal of which is to index the significance of specific bits for any character encoding so that we may trigger events while doing specific checks against the profile. Each character encoding scheme has an associated system record. This record's leading value will be a C++ unsigned long long binary value and signifies the length, in bits, of encoded characters. Following the length are three values, each is a bit field of that length. offset_mask - defines the occurrence of non-printable characters within the min,max of print_mask range_mask - defines the occurrence of the most popular 50% of printable characters print_mask - defines the occurrence value of printable characters The structure of profiles has changed from the op of this question. Most likely I will try to factorize or compress these values in the long-term instead of starting out with ranges after reading more. I have to write some of the core functionality for these main reasons. It has to fit into a particular event architecture we are using, Better understanding of character encoding. I'm about to need it. Integrating into non-linear design is excluding many libraries without special hooks. I'm unsure if there is a standard, cross-encoding mechanism for communicating such data already. I'm just starting to look into how chardet might do profiling as suggested by @amon. The Unicode BOM would be easily enough (for my current project) if all encodings were Unicode. Of course ideally, one would like to support all encodings, but I'm not asking about implementation - only the general case. How can these profiles be efficiently populated, to produce a set of bitmasks which we can use to match strings with common characters in multiple languages? If you have any editing suggestions please feel free, I am a lightweight when it comes to localization, which is why I'm trying to reach out to the more experienced. Any caveats you may be able to help with will be appreciated.

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• Home network with Windows 7 as router

  - by Michael

  Background: I have tried to use routers, but so far all of them can't handle the bandwidth, number of connections eventually limited by the hardware resources, so overall the home routers are decreasing the internet speed. I went through DD-WRT and stuff like that. Question: What I want is to use my Windows7 PC as router. It has 2 LAN cards. I'm going to connect to this router another desktop 2 pcs and notebook through wireless router. The main question is what is the most efficient way to turn this Windows7 box(and I need Windows for native NTFS support) into router with NAT/Routing/Firewall functionality? Is there any routing software recommended for this purpose or I should just use windows native "Internet Sharing"? I'm going to run SIP phones in the LAN, so I need friendly NAT(Full cone perhaps). Also I'm going to have FTP server on that Windows7 "server" PC. As firewall I'm thinking about Comodo. Need to drop all incoming, unless explicitly allowed.

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• Render rivers in a grid.

  - by Gabriel A. Zorrilla

  I have created a random height map and now i want to create rivers. I've made an algorithm based on a* to make rivers flow from peaks to sea and now i'm in the quest of figuring out an elegant algorithm to render them. It's a 2D, square, mapgrid. The cells which the river pases has a simple integer value with this form :rivernumber && pointOrder. Ie: 10, 11, 12, 13, 14, 15, 16...1+N for the first river, 20,21,22,23...2+N for the second, etc. This is created in the map grid generation time and it's executed just once, when the world is generated. I wanted to treat each river as a vector, but there is a problem, if the same river has branches (because i put some noise to generate branches), i can not just connect the points in order. The second alternative is to generate a complex algorithm where analizes each point, checks if the next is not a branch, if so trigger another algorithm that take care of the branch then returns to the main river, etc. Very complex and inelegant. Perhaps there is a solution in the world generation algorithm or in the river rendering algorithm that is commonly used in these cases and i'm not aware of. Any tips? Thanks!!

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