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• GWT with JPA - no persistence provider...

  - by meliniak

  GWT with JPA There are two projects in my eclipse workspace, let's name them: -JPAProject -GWTProject JPAProject contains JPA configuration stuff (persistence.xml, entity classes and so on). GWTProject is an examplary GWT project (taken from official GWT tutorial). Both projects work fine alone. That is, I can create EMF (EntityManagerFactory) in JPAProject and get entities from the database. GWTProject works fine too, I can run it, fill the field text in the browser and get the response. My goal is to call JPAProject from GWTProject to get entities. But the problem is that when calling DAO, I get the following exception: [WARN] Server class 'com.emergit.service.dao.profile.ProfileDaoService' could not be found in the web app, but was found on the system classpath [WARN] Adding classpath entry 'file:/home/maliniak/workspace/emergit/build/classes/' to the web app classpath for this session [WARN] /gwttest/greet javax.persistence.PersistenceException: No Persistence provider for EntityManager named emergitPU at javax.persistence.Persistence.createEntityManagerFactory(Unknown Source) at javax.persistence.Persistence.createEntityManagerFactory(Unknown Source) at com.emergit.service.dao.profile.JpaProfileDaoService.<init>(JpaProfileDaoService.java:19) at pl.maliniak.server.GreetingServiceImpl.<init>(GreetingServiceImpl.java:21) . . . at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488) [ERROR] 500 - POST /gwttest/greet (127.0.0.1) 3812 bytes I guess that the warnings at the beginning can be omitted for now. Do you have any ideas? I guess I am missing some basic point. All hints are highly apprecieable.

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• Problems with Threading in Python 2.5, KeyError: 51, Help debugging?

  - by vignesh-k

  I have a python script which runs a particular script large number of times (for monte carlo purpose) and the way I have scripted it is that, I queue up the script the desired number of times it should be run then I spawn threads and each thread runs the script once and again when its done. Once the script in a particular thread is finished, the output is written to a file by accessing a lock (so my guess was that only one thread accesses the lock at a given time). Once the lock is released by one thread, the next thread accesses it and adds its output to the previously written file and rewrites it. I am not facing a problem when the number of iterations is small like 10 or 20 but when its large like 50 or 150, python returns a KeyError: 51 telling me element doesn't exist and the error it points out to is within the lock which puzzles me since only one thread should access the lock at once and I do not expect an error. This is the class I use: class errorclass(threading.Thread): def __init__(self, queue): self.__queue=queue threading.Thread.__init__(self) def run(self): while 1: item = self.__queue.get() if item is None: break result = myfunction() lock = threading.RLock() lock.acquire() ADD entries from current thread to entries in file and REWRITE FILE lock.release() queue = Queue.Queue() for i in range(threads): errorclass(queue).start() for i in range(desired iterations): queue.put(i) for i in range(threads): queue.put(None) Python returns with KeyError: 51 for large number of desired iterations during the adding/write file operation after lock access, I am wondering if this is the correct way to use the lock since every thread has a lock operation rather than every thread accessing a shared lock? What would be the way to rectify this?

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• Dynamically loading external HTML in a div using Java Script

  - by user354051

  I have prepared some demo examples for the topic. There is page name "changelog.html" here: http://pantheon-studios.in/test/jquery/changelog.html This is working fine if loaded directly. I am trying to load this page dynamically into: http://pantheon-studios.in/test/jquery/index.html Here changelog.html doesn't behaving as expected. I think the init script on changelog.html is not getting executed or something else is happening when loading it dynamically. Like wise I do have couple of other pages using various jQuery and other java scripts plugins. Some of those needs initialization like animatedcollapse.js in the above example, and couple of them doesn't need initialization, you can directly call the script and go. I also gave a try using: jQuery.getScript("anim.js") after dynamically loading "changelog.html" but doesn't work. The "anim.js" contains animatedcollapse.addDiv('cat', 'fade=0,speed=400,group=pets,hide=1'); animatedcollapse.addDiv('dog', 'fade=0,speed=400,group=pets,hide=1'); animatedcollapse.addDiv('rabbit', 'fade=0,speed=400,group=pets,hide=1'); animatedcollapse.init(); I would really appreciate is some one point me out the right direction. I am completely new to web programming so please have some patience with me. Thanks

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• How is an AppDelegate instanciated?

  - by pwny

  I have an iOS application for which I want to create a ViewController programmatically. I started an empty XCode project and modified the main method so it looks like this int main(int argc, char *argv[]) { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; int retVal = UIApplicationMain(argc, argv, nil, @"MyAppDelegate_iPad"); [pool release]; return retVal; } The app is a Universal Application, MyAppDelegate_iPad is a subclass of MyAppDelegate, which is a subclass of NSObject <UIApplicationDelegate>. My problem is that the applicationDidFinishLoading method I've overridden in MyAppDelegate_iPad is never called (break point on the first line never hits). The method looks like this -(void) applicationDidFinishLaunching:(UIApplication *)application { window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; if(!window) { [self release]; return; } window.backgroundColor = [UIColor whiteColor]; rootController = [[MyViewController alloc] init]; [window addSubview:rootController.view]; [window makeKeyAndVisible]; [window layoutSubviews]; } I removed the line to link to a nib file from my plist file (I used to get the default "My Universal app on iPad" white screen) and now all that is displayed is a black screen. applicationDidFinishLoading is still not being called. Am I doing something wrong? How should I properly create my AppDelegate instance?

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• tk: how to invoke it just to display something, and return to the main program?

  - by max

  Sorry for the noob question but I really don't understand this. I'm using python / tkinter and I want to display something (say, a canvas with a few shapes on it), and keep it displayed until the program quits. I understand that no widgets would be displayed until I call tkinter.tk.mainloop(). However, if I call tkinter.tk.mainloop(), I won't be able to do anything else until the user closes the main window. I don't need to monitor any user input events, just display some stuff. What's a good way to do this without giving up control to mainloop? EDIT: Is this sample code reasonable: class App(tk.Tk): def __init__(self, sim): self.sim = sim # link to the simulation instance self.loop() def loop(): self.redraw() # update all the GUI to reflect new simulation state sim.next_step() # advance simulation another step self.after(0, self.loop) def redraw(): # get whatever we need from self.sim, and put it on the screen EDIT2 (added after_idle): class App(tk.Tk): def __init__(self, sim): self.sim = sim # link to the simulation instance self.after_idle(self.preloop) def preloop(): self.after(0, self.loop) def loop(): self.redraw() # update all the GUI to reflect new simulation state sim.next_step() # advance simulation another step self.after_idle(self.preloop) def redraw(): # get whatever we need from self.sim, and put it on the screen

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• Sharing NSMutableArray

  - by Lucas Veiga

  Hey everbody, im trying to share a NSMutableArray to another xib. The cartList.codigo is a NSMutableArray from a shared class, according to James Brannan's tutorial (http://www.vimeo.com/12164589). When i count it, it gives me 1. But when i load the another view, gives me 0. Whats wrong? View that adds: self.produtoCodigo = [[NSMutableArray alloc]init]; [self.produtoCodigo addObject:@"aa"]; CartViewController *carrinho = [[CartViewController alloc] initWithNibName:@"CartViewController" bundle:[NSBundle mainBundle]]; CartList *lista = [[CartList alloc] init]; carrinho.cartList = lista; carrinho.cartList.codigo = self.produtoCodigo; NSLog(@"QTD %i", [carrinho.cartList.codigo count]); View that wants to load the item added: - (void) viewDidAppear:(BOOL)animated { self.produtoCodigo = self.cartList.codigo; NSLog(@"%i", [self.produtoCodigo count]); [super viewDidLoad]; } Im loading the CartList class in both. Thanks!

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• What would be a better implementation of shared variable among subclass

  - by Churk

  So currently I have a spring unit testing application. And it requires me to get a session cookie from a foreign authentication source. Problem what that is, this authentication process is fairly expensive and time consuming, and I am trying to create a structure where I am authenticate once, by any subclass, and any subsequent subclass is created, it will reuse this session cookie without hitting the authentication process again. My problem right now is, the static cookie is null each time another subclass is created. And I been reading that using static as a global variable is a bad idea, but I couldn't think of another way to do this because of Spring framework setting things during run time and how I would set the cookie so that all other classes can use it. Another piece of information. The variable is being use, but is change able during run time. It is not a single user being signed in and used across the board. But more like a Sub1 would call login, and we have a cookie. Then multiple test will be using that login until SubX will come in and say, I am using different credential, so I need to login as something else. And repeats. Here is a outline of my code: public class Parent implements InitializingBean { protected static String BASE_URL; public static Cookie cookie; ... All default InitializingBean methods ... afterPropertiesSet() { cookie = // login process returns a cookie } } public class Sub1 extends Parent { @resource public String baseURL; @PostConstruct public void init() { // set parents with my baseURL; BASE_URL = baseURL; } public void doSomething() { // Do something with cookie, because it should have been set by parent class } } public class Sub2 extends Parent { @resource public String baseURL; @PostConstruct public void init() { // set parents with my baseURL; BASE_URL = baseURL; } public void doSomethingElse() { // Do something with cookie, because it should have been set by parent class } }

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• Use a foreign key mapping to get data from the other table using Python and SQLAlchemy.

  - by Az

  Hmm, the title was harder to formulate than I thought. Basically, I've got these simple classes mapped to tables, using SQLAlchemy. I know they're missing a few items but those aren't essential for highlighting the problem. class Customer(object): def __init__(self, uid, name, email): self.uid = uid self.name = name self.email = email def __repr__(self): return str(self) def __str__(self): return "Cust: %s, Name: %s (Email: %s)" %(self.uid, self.name, self.email) The above is basically a simple customer with an id, name and an email address. class Order(object): def __init__(self, item_id, item_name, customer): self.item_id = item_id self.item_name = item_name self.customer = None def __repr__(self): return str(self) def __str__(self): return "Item ID %s: %s, has been ordered by customer no. %s" %(self.item_id, self.item_name, self.customer) This is the Orders class that just holds the order information: an id, a name and a reference to a customer. It's initialised to None to indicate that this item doesn't have a customer yet. The code's job will assign the item a customer. The following code maps these classes to respective database tables. # SQLAlchemy database transmutation engine = create_engine('sqlite:///:memory:', echo=False) metadata = MetaData() customers_table = Table('customers', metadata, Column('uid', Integer, primary_key=True), Column('name', String), Column('email', String) ) orders_table = Table('orders', metadata, Column('item_id', Integer, primary_key=True), Column('item_name', String), Column('customer', Integer, ForeignKey('customers.uid')) ) metadata.create_all(engine) mapper(Customer, customers_table) mapper(Orders, orders_table) Now if I do something like: for order in session.query(Order): print order I can get a list of orders in this form: Item ID 1001: MX4000 Laser Mouse, has been ordered by customer no. 12 What I want to do is find out customer 12's name and email address (which is why I used the ForeignKey into the Customer table). How would I go about it?

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• Objective-C ref count and autorelease

  - by turbovince

  Hey guys, suppose the following code: int main (int argc, const char * argv[]) { //[...] Rectangle* myRect = [[Rectangle alloc] init]; Vector2* newOrigin = [[[Vector2 alloc] init] autorelease]; // ref count 1 [newOrigin setX: 50.0f]; [myRect setOrigin: newOrigin]; // ref count 2 [myRect.origin setXY: 25.0f :100.0f]; // ref count goes to 3... why ? [myRect release]; [pool drain]; return 0; } Rectangle's origin is declared as a (retain) synthesized property. Just wondering 2 things: Why does ref count goes to 3 when using the getter accessor of Rectangle's origin? Am I doing something wrong ? With a ref count of 3, I don't understand how this snippet of code cannot leak. Calling release on myRect will make it go down to 2 since I call release on the origin in dealloc(). But then, when does autorelease take effect? Thanks!

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• Adding date to multiple fields via datepicker

  - by Andy

  i have a form in drupal with jquery based date module. there are multiple fields with date picker enabled. i want to set the value of all of them (they all have class .date-popup-init) to the value of the first field (#edit-field, the 'from' date) when that field is set. my code so far: <script type="text/javascript"> var DatePicked = function() { var firstdate = $("#edit-field"); var updater = firstdate.datepicker("getDate"); $(".date-popup-init").each(function(){ $(this).datepicker("setDate", updater); }); } $(function() { $("#edit-field").datepicker({ onSelect: DatePicked }); }); </script> this seems to randomly work; it sets the date of some fields to the value of #edit-field, seemingly different fields each time. also, the form adds more datepicker-enabled fields via ajax. is there any way to ensure that all these new fields, when they load, pick up the value of #edit-field as well? disclaimer: last night was my first attempt at javascript of any kind. i have a basic idea now. the above was cobbled through countless google examples.

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• Django tutorial says I haven't set DATABASE_ENGINE setting yet... but I have

  - by Joe

  I'm working through the Django tutorial and receiving the following error when I run the initial python manage.py syncdb: Traceback (most recent call last): File "manage.py", line 11, in <module> execute_manager(settings) File "/Library/Python/2.6/site-packages/django/core/management/__init__.py", line 362 in execute_manager utility.execute() File "/Library/Python/2.6/site-packages/django/core/management/__init__.py", line 303, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "/Library/Python/2.6/site-packages/django/core/management/base.py", line 195, in run_from_argv self.execute(*args, **options.__dict__) File "/Library/Python/2.6/site-packages/django/core/management/base.py", line 222, in execute output = self.handle(*args, **options) File "/Library/Python/2.6/site-packages/django/core/management/base.py", line 351, in handle return self.handle_noargs(**options) File "/Library/Python/2.6/site-packages/django/core/management/commands/syncdb.py", line 49, in handle_noargs cursor = connection.cursor() File "/Library/Python/2.6/site-packages/django/db/backends/dummy/base.py", line 15, in complain raise ImproperlyConfigured, "You haven't set the DATABASE_ENGINE setting yet." django.core.exceptions.ImproperlyConfigured: You haven't set the DATABASE_ENGINE setting yet. My settings.py looks like: DATABASES = { 'default': { 'ENGINE': 'django.db.backends.mysql', # Add 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'oracle'. 'NAME': 'dj_tut', # Or path to database file if using sqlite3. 'USER': '', # Not used with sqlite3. 'PASSWORD': '', # Not used with sqlite3. 'HOST': '', # Set to empty string for localhost. Not used with sqlite3. 'PORT': '', # Set to empty string for default. Not used with sqlite3. } } I'm guessing this is something simple, but why isn't it seeing the ENGINE setting?

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• TouchXML to read in twitter feed for iphone app

  - by Fiona

  Hello there, So I've managed to get the feed from twitter and am attempting to parse it... I only require the following fields from the feed: name, description, time_zone and created_at I am successfully pulling out name and description.. however time_zone and created_at always are nil... The following is the code... Anyone see why this might not be working? -(void) friends_timeline_callback:(NSData *)data{ NSString *string = [[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding]; NSLog(@"Data from twitter: %@", string); NSMutableArray *res = [[NSMutableArray alloc] init]; CXMLDocument *doc = [[[CXMLDocument alloc] initWithData:data options:0 error:nil] autorelease]; NSArray *nodes = nil; //! searching for item nodes nodes = [doc nodesForXPath:@"/statuses/status/user" error:nil]; for (CXMLElement *node in nodes) { int counter; Contact *contact = [[Contact alloc] init]; for (counter = 0; counter < [node childCount]; counter++) { //pulling out name and description only for the minute!!! if ([[[node childAtIndex:counter] name] isEqual:@"name"]){ contact.name = [[node childAtIndex:counter] stringValue]; }else if ([[[node childAtIndex:counter] name] isEqual:@"description"]) { // common procedure: dictionary with keys/values from XML node if ([[node childAtIndex:counter] stringValue] == NULL){ contact.nextAction = @"No description"; }else{ contact.nextAction = [[node childAtIndex:counter] stringValue]; } }else if ([[[node childAtIndex:counter] name] isEqual:@"created_at"]){ contact.date == [[node childAtIndex:counter] stringValue]; }else if([[[node childAtIndex:counter] name] isEqual:@"time_zone"]){ contact.status == [[node childAtIndex:counter] stringValue]; [res addObject:contact]; [contact release]; } } } self.contactsArray = res; [res release]; [self.tableView reloadData]; } Thanks in advance for your help!! Fiona

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• How to call a method after asynchronous task is complete

  - by doctordoder

  I have a class called WikiWebView which is a subclass of UIWebView which loads Wikipedia subjects and is designed to fetch all the links of the webpage, in order to create a sort of site map for the subject. My problem is that I can only create the links once the web page has loaded, but the loading isn't done right after [self loadRequest:requestObj] is called. - (void)loadSubject:(NSString *)subject { // load the actual webpage NSString *wiki = @"http://www.wikipedia.org/wiki/"; NSString *fullURL = [wiki stringByAppendingString:subject]; NSURL *url = [NSURL URLWithString:fullURL]; NSURLRequest *requestObj = [NSURLRequest requestWithURL:url]; [self loadRequest:requestObj]; // [self createLinks]; // need this to be called after the view has loaded } - (void)createLinks { NSString *javascript = @"var string = \"\";" "var arr = document.getElementsByClassName(\"mw-redirect\");" "for (var i = 0; i < arr.length; ++i)" "{" "var redirectLink = arr[i].href;" "string = string + redirectLink + \" \";" "}" "string;"; NSString *links = [self stringByEvaluatingJavaScriptFromString:javascript]; self.links = [links componentsSeparatedByString:@" "]; } I tried the normal delegation technique, which lead to this code being added: - (id)init { if (self = [super init]) { self.delegate = self; // weird } return self; } #pragma mark - UIWebViewDelegate - (void)webViewDidStartLoad:(UIWebView *)webView { ++_numProcesses; } - (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error { --_numProcesses; } - (void)webViewDidFinishLoad:(UIWebView *)webView { --_numProcesses; if (_numProcesses == 0) { [self createLinks]; } } However, the delegate methods are never called.. I've seen similar questions where the answers are to use blocks, but how would I do that in this case?

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• Tkinter, Python: How do I save text entered in the Entry widget? How do I move a label?

  - by user3692825

  I am a newbie at programming and my program is not stellar but hopefully it's ok because I have only been using it for a couple days now. I am having trouble in my class "Recipie". In this class I am having trouble saving the text in my Entry widget. I know to use the .get() option but when I try to print it, it doesn't (whether it is within that defined method or not). So that is my main concern. I want it to save the text entered as a string when I press the button: b. My other minor question is, how can I move the label. When I have tried I have used the height and width options, but that just expands the label. I want to move the text to create a title above my Entry boxes. Is label the right widget to use or would it be easier to use a message box widget? So it would look like, for example (but like 8 pixels down and 20 to the right): ingredients textbox button labeled as: add an ingredient And I am not sure the option .pack(side="...") or .place(anchor="...") are the right options to use for my buttons or entry boxes or labels. Any help is greatly appreciated!!! And if you could add comments to your code explaining what you did, that would be so helpful. Thank you!!! import Tkinter class Recipie(Tkinter.Tk): def __init__(self): Tkinter.Tk.__init__(self) self.title("New Recipie") self.geometry("500x500") def name(self): name = Tkinter.Label(self, text="Title:", width=39) name.place(anchor="nw") insert_name = Tkinter.Entry(self) insert_name.pack() insert_name.focus_set() def ingredients(self): e = Tkinter.Entry(self) e.pack() e.focus_set() def addingredient(self): but = Tkinter.Button(self, text="Add Ingredients", width=15, command=self.ingredients) but.pack(side="bottom") def procedure(self): txt = Tkinter.Label(self, text="List the Steps:") txt.place(anchor="n") p = Tkinter.Entry(self) p.place(anchor="nw") p.focus_set() def savebutton(self): print insert_name.get() print e.get() print p.get() b = Tkinter.Button(self, text="Save Recipie", width=15, command=savebutton) top = Recipie() top.mainloop()

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• Should a C++ constructor do real work?

  - by Wade Williams

  I'm strugging with some advice I have in the back of my mind but for which I can't remember the reasoning. I seem to remember at some point reading some advice (can't remember the source) that C++ constructors should not do real work. Rather, they should initialize variables only. The advice when on to explain that real work should be done in some sort of init() method, to be called separately after the instance was created. The situation is I have a class that represents a hardware device. It makes logical sense to me for the constructor to call the routines that query the device in order to build up the instance variables that describe the device. In other words, once new instantiates the object, the developer receives an object which is ready to be used, no separate call to object-init() required. Is there a good reason why constructors shouldn't do real work? Obviously it could slow allocation time, but that wouldn't be any different if calling a separate method immediately after allocation. Just trying to figure out what gotchas I not currently considering that might have lead to such advice.

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• drawRect gets called on UIView subclass but not on UIViewController

  - by HotFudgeSunday

  My code is working so far but I had to create a Class for the UIView. This is a bit inconvenient because I need to interact with the ViewController too. BTW, I did try [self setNeedsDisplay] on the ViewDidLoad of the UIViewController subclass file but it didn't work. Here's the code, which works on UIView Subclass but doesn't get called on a UIViewController one: - (void)drawRect:(CGRect)rect { UIColor *currentColor = [UIColor redColor]; CGContextRef context = UIGraphicsGetCurrentContext(); someNum = 1; CGContextBeginPath(context); CGContextMoveToPoint(context, 30, 40); [self addDotImageX:30 andY:40]; CGContextSetLineWidth(context, 2); CGContextSetStrokeColorWithColor(context, currentColor.CGColor); CGContextStrokePath(context); } Any ideas on what to try? BTW, this is a TabBar App. I know those can somehow block the calls to drawRect. The Tabs where created programatically, not through a Nib. Eg: NSMutableArray *listOfViewControllers = [[NSMutableArray alloc] init]; UIViewController *vc; vc = [[Education alloc] init]; vc.title = @"Education"; [listOfViewControllers addObject:vc]; vc.tabBarItem.image = [UIImage imageNamed:@"info.png"]; [vc release]; I would appreciate any ideas. I've been through the answers on this site related to setNeedsDisplay not calling drawRect and haven't found an answer for my particular case. Thanks.

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• Best way to design a class in python

  - by Fraz

  So, this is more like a philosophical question for someone who is trying to understand classes. Most of time, how i use class is actually a very bad way to use it. I think of a lot of functions and after a time just indent the code and makes it a class and replacing few stuff with self.variable if a variable is repeated a lot. (I know its bad practise) But anyways... What i am asking is: class FooBar: def __init__(self,foo,bar): self._foo = foo self._bar = bar self.ans = self.__execute() def __execute(self): return something(self._foo, self._bar) Now there are many ways to do this: class FooBar: def __init__(self,foo): self._foo = foo def execute(self,bar): return something(self._foo, bar) Can you suggest which one is bad and which one is worse? or any other way to do this. This is just a toy example (offcourse). I mean, there is no need to have a class here if there is one function.. but lets say in __execute something() calls a whole set of other methods.. ?? Thanks

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• Read from plist insted of Code array

  - by BoSoud

  Hi Guys am Using [URL="http://www.iphonesdkarticles.com/2009/01/uitableview-searching-table-view.html"]UITableView - Searching table view[/URL] its really nice easy tutorial but i really have bad time try to read from plist that what i did change - (void)viewDidLoad { [super viewDidLoad]; //Initialize the array. listOfItems = [[NSMutableArray alloc] init]; TableViewAppDelegate *AppDelegate = (TableViewAppDelegate *)[[UIApplication sharedApplication] delegate]; listOfItems = [AppDelegate.data objectForKey:@"Countries"]; //Initialize the copy array. copyListOfItems = [[NSMutableArray alloc] init]; //Set the title self.navigationItem.title = @"Countries"; //Add the search bar self.tableView.tableHeaderView = searchBar; searchBar.autocorrectionType = UITextAutocorrectionTypeNo; searching = NO; letUserSelectRow = YES; } and This How i read plist from My AppDelegate.m - (void)applicationDidFinishLaunching:(UIApplication *)application { NSString *Path = [[NSBundle mainBundle] bundlePath]; NSString *DataPath = [Path stringByAppendingPathComponent:@"Data.plist"]; NSDictionary *tempDict = [[NSDictionary alloc] initWithContentsOfFile:DataPath]; self.data = tempDict; [tempDict release]; // Configure and show the window [window addSubview:[navigationController view]]; [window makeKeyAndVisible]; } and this my plist <plist version="1.0"> <dict> <key>Countries</key> <array> <array> <string>USA</string> </array> <dict/> </array> </dict> </plist> and i get this error *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSCFArray objectForKey:]: unrecognized selector sent to instance 0x1809dc0' help please am stock with this

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• Memory leak at NSObject allocation

  - by Srilakshmi Manthena

  HI, I am getting memory leak at NSObject allocation i.e., ContactDTO* contactDTO = [[ContactDTO alloc] init]; Code: +(ContactDTO*) getContactDTOForId:(NSString*) contactId { NSString* homeMail =@""; NSString* workMail=@""; NSString *lastNameString=@""; NSString *firstNameString=@""; firstNameString = [AddressBookUtil getValueForProperty:kABPersonFirstNameProperty forContact:contactId]; lastNameString = [AddressBookUtil getValueForProperty:kABPersonLastNameProperty forContact:contactId]; ABRecordID contactIntId = [contactId intValue]; ABRecordRef person = ABAddressBookGetPersonWithRecordID(addressBook, contactIntId); ABMultiValueRef emailMultiValue =(NSString *)ABRecordCopyValue(person, kABPersonEmailProperty); for(CFIndex j=0;j<ABMultiValueGetCount(emailMultiValue);j++) { NSString* curentTypeLabel =(NSString *)ABMultiValueCopyLabelAtIndex(emailMultiValue,j); if([curentTypeLabel isEqualToString:@"_$!<Home>!$_"]==YES) { NSString* currentEmail =(NSString *)ABMultiValueCopyValueAtIndex(emailMultiValue,j); if([currentEmail isEqualToString:nil]==NO) { homeMail = [currentEmail copy]; } } if([curentTypeLabel isEqualToString:@"_$!<Work>!$_"]==YES) { NSString* currentEmail =(NSString *)ABMultiValueCopyValueAtIndex(emailMultiValue,j); if([currentEmail isEqualToString:nil]==NO) { workMail = [currentEmail copy]; } } } ContactDTO* contactDTO = [[ContactDTO alloc] init]; contactDTO.firstName = firstNameString; contactDTO.lastName = lastNameString; contactDTO.contactId = contactId; contactDTO.homeEmail = homeMail; contactDTO.workEmail = workMail; return [contactDTO autorelease]; }

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• Adding to page control collection from inside a user control

  - by Zarigani

  I have an asp.net usercontrol which represents a "popup" dialog. Basically, it's a wrapper for the jQuery UI dialog which can be subclassed to easily make dialogs. As part of this control, I need to inject a div into the page the control is used on, either at the very top or very bottom of the form so that when the popup is instantiated, it's parent is changed to this div. This allows "nested" popups without the child popup being trapped inside the parent popup. The trouble is, I can't find a safe way to inject this div into the page. A usercontrol doesn't have a preinit event, so I can't do it there, and calling Page.Form.Controls.Add(...) in Init, Load or PreRender causes the standard exception "The control collection cannot be modified during DataBind, Init, Load, PreRender or Unload phases." I thought I had found a solution by using... ScriptManager.RegisterClientScriptBlock(Page, Me.GetType, UniqueID + "_Dialog_Div", containerDiv, False) ... which seemed to work well normally, but recently a coworker tried putting an UpdatePanel inside the dialog and now she's getting the error "The script tag registered for type 'ASP.controls_order_viewzips_ascx' and key 'ctl00$ContentBody$OViewZips_Dialog_Div' has invalid characters outside of the script tags: . Only properly formatted script tags can be registered." How are you supposed to add controls to the pages control collection from inside a user control?

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• how to get data from another file?

  - by Ronnie Chester Lynwood

  hey guys i got this jquery codes: jQuery(function ($) { var OSX = { container: null, init: function () { $("input.osx, a.osx").click(function (e) { e.preventDefault(); $("#osx-modal-content").modal({ overlayId: 'osx-overlay', containerId: 'osx-container', closeHTML: null, minHeight: 80, opacity: 65, position: ['0',], overlayClose: true, onOpen: OSX.open, onClose: OSX.close }); }); }, open: function (d) { var self = this; self.container = d.container[0]; d.overlay.fadeIn('slow', function () { $("#osx-modal-content", self.container).show(); var title = $("#osx-modal-title", self.container); title.show(); d.container.slideDown('slow', function () { setTimeout(function () { var h = $("#osx-modal-data", self.container).height() + title.height() + 20; // padding d.container.animate( {height: h}, 200, function () { $("div.close", self.container).show(); $("#osx-modal-data", self.container).show(); } ); }, 300); }); }) }, close: function (d) { var self = this; // this = SimpleModal object d.container.animate( {top:"-" + (d.container.height() + 20)}, 500, function () { self.close(); // or $.modal.close(); } ); } }; OSX.init(); }); this js is gets #osx-modal-content,#osx-modal-title,#osx-modal-data from index.php. how can i get divs from another page? thanks

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• How can I get the Twitter following and follower Email id and MobileNo in the iPhone sdk Using MGTwitterEngine?

  - by user1808090

  I'm unable to get the Twitter following and Followers Email id and MobileNo i am using below code for that using below code i am able to get only Twitter following name and Id Please help? if([[NSUserDefaults standardUserDefaults] valueForKey:@"UseridLoop"]==nil) { urlString = [NSString stringWithFormat:@"https://api.twitter.com/1/friends/ids.json?cursor=-1&user_id=%@",[[NSUserDefaults standardUserDefaults] valueForKey:@"Userid"]]; } else { urlString = [NSString stringWithFormat:@"https://api.twitter.com/1/followers/ids.json?cursor=-1&user_id=%@",[[NSUserDefaults standardUserDefaults] valueForKey:@"UseridLoop"]]; } NSURLRequest *notificationRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:urlString]]; NSHTTPURLResponse *response; NSError *error; NSData *responData; responData = [NSURLConnection sendSynchronousRequest:notificationRequest returningResponse:&response error:&error]; NSLog(@"%@",responData); NSString *dataString = [[NSString alloc] initWithData:responData encoding:NSUTF8StringEncoding]; // NSDictionary *dict = [[NSDictionary alloc] initWithDictionary:(NSDictionary *)[dataString JSONValue]]; // // NSMutableDictionary *globalCelebDict=[[NSMutableDictionary alloc]initWithDictionary:(NSMutableDictionary *)[dataString JSONValue ] ]; // //NSMutableDictionary *globalCelebDictNext=[[NSMutableDictionary alloc]initWithDictionary:(NSMutableDictionary *)[[ globalCelebDict objectForKey:@"GetGroupDetailsResult"] JSONValue]]; // NSLog(@"dict %@",dict); SBJSON *json = [[SBJSON alloc] init]; NSMutableDictionary *customDetailDict=[[NSMutableDictionary alloc]init]; customDetailDict=[json objectWithString:dataString error:&error]; // NSDictionary *customDetailDict = [json objectWithString:dataString error:&error]; NSLog(@"%@",customDetailDict); if (customDetailDict!=nil) { array=[[customDetailDict objectForKey:@"ids"]retain]; NSLog(@"%@",array); NSLog(@"%d",[array count]); [[NSUserDefaults standardUserDefaults]removeObjectForKey:@"UseridLoop"]; NSLog(@"%@",[[NSUserDefaults standardUserDefaults]valueForKey:@"UseridLoop"]); } }

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• why my customized marker not showing up in openstreet maps

  - by troy

  I have following java script used for showing the customized marker. But for some reasons its showing up the default marker.. function init() { map = new OpenLayers.Map("basicMap"); var mapnik = new OpenLayers.Layer.OSM(); var fromProjection = new OpenLayers.Projection("EPSG:4326"); var toProjection = new OpenLayers.Projection("EPSG:900913"); var position = new OpenLayers.LonLat(-6.242981,53.331201).transform( fromProjection, toProjection); var zoom = 12; map.addLayer(mapnik); var markers = new OpenLayers.Layer.Markers( "Markers" ); map.addLayer(markers); var size = new OpenLayers.Size(16,28); var offset = new OpenLayers.Pixel(-(size.w*0), -(size.h*1)); var icon = new OpenLayers.Icon('http://m.osmtools.de/images/pin_red.png',size,offset); markers.addMarker(new OpenLayers.Marker(position),icon); map.setCenter(position, zoom ); } And here is my html: <body onload="init();"> <div id="basicMap"></div> </body> I dont understand what wrong with my code .... Please help me.. THank You

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• How to open popup behind main window (HTML,jQuery)

  - by sara.ma

  I'm new. i have a popup code that when user click anywhere in the HTML page, a popup window shows up: (function () { document.onclick = function () { var sUrl = "http://URL.com"; if (typeof daily_capping == "undefined") var daily_capping = 10; if (typeof capping_minutes == "undefined") var capping_minutes = 60; if (document.cookie.indexOf("_popwin=") === -1) { var ads2day = document.cookie.split("_popwinDaily=")[1]; ads2day = typeof ads2day == "undefined" ? 0 : parseInt(ads2day.split(";")[0]); if (ads2day < daily_capping) { var isMSIE = navigator.userAgent.indexOf("MSIE") != -1 ? !0 : !1, _parent = self, sOptions, popunder; if (top != self) try { top.document.location.toString() && (_parent = top) } catch (err) {} sOptions = "toolbar=no,scrollbars=yes,location=yes,statusbar=yes,menubar=no,resizable=1,width=" + screen.width.toString() + ",height=" + (screen.height - 20).toString() + ",screenX=0,screenY=0,left=0,top=0", popunder = _parent.window.open(sUrl, "rhpop", sOptions); if (popunder) { popunder.blur(); if (isMSIE) { window.focus(); try { opener.window.focus() } catch (err) {} } else popunder.init = function (e) { with(e)(function () { if (typeof window.mozPaintCount != "undefined" || typeof navigator.webkitGetUserMedia == "function") { var e = window.open("about:blank"); e.close() } try { opener.window.focus() } catch (t) {} })() }, popunder.params = { url: sUrl }, popunder.init(popunder) } var now = new Date, popDaily = (new Date(now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate(), 23, 59, 59)).toGMTString(); document.cookie = "_popwinDaily=" + (ads2day + 1) + ";expires=" + popDaily + ";path=/"; var popInterval = new Date; popInterval.setTime(popInterval.getTime() + capping_minutes * 60 * 1e3), document.cookie = "_popwin=1;expires=" + popInterval.toGMTString() + ";path=/" } } } })(); but popup is on top. is it possible to make it open behind main page?? is there any lighter popup code for this purpose? thanks guys

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• Is there a more memory efficient way to search through a Core Data database?

  - by Kristian K

  I need to see if an object that I have obtained from a CSV file with a unique identifier exists in my Core Data Database, and this is the code I deemed suitable for this task: NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init]; NSEntityDescription *entity; entity = [NSEntityDescription entityForName:@"ICD9" inManagedObjectContext:passedContext]; [fetchRequest setEntity:entity]; NSPredicate *pred = [NSPredicate predicateWithFormat:@"uniqueID like %@", uniqueIdentifier]; [fetchRequest setPredicate:pred]; NSError *err; NSArray* icd9s = [passedContext executeFetchRequest:fetchRequest error:&err]; [fetchRequest release]; if ([icd9s count] > 0) { for (int i = 0; i < [icd9s count]; i++) { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc]init]; NSString *name = [[icd9s objectAtIndex:i] valueForKey:@"uniqueID"]; if ([name caseInsensitiveCompare:uniqueIdentifier] == NSOrderedSame && name != nil) { [pool release]; return [icd9s objectAtIndex:i]; } [pool release]; } } return nil; After more thorough testing it appears that this code is responsible for a huge amount of leaking in the app I'm writing (it crashes on a 3GS before making it 20 percent through the 1459 items). I feel like this isn't the most efficient way to do this, any suggestions for a more memory efficient way? Thanks in advance!

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