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• These are few objective type questions which i was not able to find the solution [closed]

  - by Tarun

  1. Which of the following advantages does System.Collections.IDictionaryEnumerator provide over System.Collections.IEnumerator? a. It adds properties for direct access to both the Key and the Value b. It is optimized to handle the structure of a Dictionary. c. It provides properties to determine if the Dictionary is enumerated in…

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• Consume WCF Web Service in Objective-C on an iPhone

  - by JWD

  I am having a hard time consuming a very simple (Hello World) WCF web service in my iPhone app. From what I have read, you must manually create the request message then send it to the web service URL. I was able to accomplish this on a .asmx web service, but not with a WCF service. How do I know the correct format of the request SOAP message?…

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• Having problems with uploading photos to TwitPic using OAuth in Objective C on the iPhone

  - by M. Bedi

  I have been working on an iPhone app that has a feature of uploading photos to TwitPic. I have it working with basic authentication. I am trying to get it working with OAuth. I am getting authentication errors. I have studied very carefully the TwitPic documentation. I am authorising the app by displaying a UI Web View and the it returns a…

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• Sound File editing in Objective C

  - by Biranchi

  Hi All, I am able to record and create audio files using AudioFileCreateWithURL in the AudioToolbox Framework. I want to figure out if there is any way to edit the .caf sound files. I want to insert another recoreded audio inside the main audio file. Any thoughts or suggestions how to proceed ?? Thanks.

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• Need help looping through text file in Objective-C and looping through multidimensional array of dat

  - by Fulvio

  I have a question regarding an iPhone game I'm developing. At the moment, below is the code I'm using to currently I loop through my multidimensional array and position bricks accordingly on my scene. Instead of having multiple two dimensional arrays within my code as per the following (gameLevel1). Ideally, I'd like to read from a text file…

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• Cocoa/Objective-C - Child window with text input without main window becoming inactive

  - by Josh

  Hello All, I have a need to spawn a window that will hover just above my main window in a cocoa application. I want this main window to allow the user to enter some text in an input box. All is well until the text input box actually gains focus. The main window becomes "deactivated." This window is borderless and is a slightly custom shape…

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• programmatically trimming (automatically cropping out transparent boundaries) an image in objective-

  - by Ferris

  Does anyone know how to trim an image (uiimage or cgimage). By trim I mean programatically cropping to the non-transparent bounds of an image. So if I have the image below: 00111000 00010000 01011110 00000000 it would yield: 011100 001000 101111

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• Looking for advice on importing large dataset in sqlite and Cocoa/Objective-C

  - by jluckyiv

  I have a fairly large hierarchical dataset I'm importing. The total size of the database after import is about 270MB in sqlite. My current method works, but I know I'm hogging memory as I do it. For instance, if I run with Zombies, my system freezes up (although it will execute just fine if I don't use that Instrument). I was hoping for…

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• Wordpress XML-RPC call from Objective C: wp.newComment

  - by radesix

  I'm using Eric Czarny's Cocoa XML-RPC framework to make a call to the Wordpress API's. I've downloaded the sample app from Wordpress which gives some good examples. Unfortunately the good examples are for every call EXCEPT wp.newComment. I'm trying to post a comment using the code below and I keep getting an error with a localized…

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• Sort by the mode in an Array in Objective-C iPhone

  - by thary

  If I have an NSArray with some values in them. Is there a way using descriptors to sort it by the most frequent number in the array first and the least frequent number at the end, Array has( "3", "2", "1", "3", "3", "7", ) to Array has( "3", "3", "3", "1", "2", "7", )

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• Objective PHP and key value coding

  - by Lukasz

  Hi Guys. In some part of my code I need something like this: $product_type = $product->type; $price_field = 'field_'.$product_type.'_price'; $price = $product->$$price_field; In other words I need kind of KVC - means get object field by field name produced at the runtime. I simply need to extend some existing system and keep…

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• reorder NSArray in objective-c

  - by Jonathan

  I have an NSArray of JSON file locations. There are stored in the user's/app's Document directory and inside each JSON file is a name value. I'm able to retreive the data from JSON files, I don't need help with tht. But I need help on sorting NSArrays I have no idea how I can do that based on a value inside the file, while not…

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• objective c iphone : can we view console log on device

  - by amarsh-anand

  is there a way to view the console output as we are running an iphone App on the device? If not directly, is there an app on the App store which lets you view the log after the App has finished running?

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• iphone / objective C / how to encode a double[] for archiving

  - by Amarsh

  I am using double[] instead of NSArray. Would anyone know how to encode it for archiving

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• "No architectures" error when compiling objective flickr for iphone device

  - by user176723

  I'm getting the following error when I attempt to compile my XCode project to debug on my device. No architectures to compile for (ARCHS=x86_64, VALID_ARCHS=armv6 armv7). I've included ObjectiveFlickr in my project just as the readme describes. I've gone through the process several times and redownloaded objectiveFlickr a…

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• iPhone SDK Objective-C __DATE__ (compile date) can't be converted to an NSDate

  - by Janice

  //NSString *compileDate = [NSString stringWithFormat:@"%s", __DATE__]; NSString *compileDate = [NSString stringWithUTF8String:__DATE__]; NSDateFormatter *df = [[[NSDateFormatter alloc] init] autorelease]; [df setDateFormat:@"MMM d yyyy"]; //[df setDateFormat:@"MMM dd yyyy"]; NSDate *aDate = [df…

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• Objective C loop logic

  - by Graham

  Hi guys, I'm really new to programming in Obj-C, my background is in labview which is a graphical programming language, I've worked with Visual Basic some and HTML/CSS a fair amount as well. I'm trying to figure out the logic to create an array of data for the pattern below. I need the pattern later to…

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• How to interpret Objective-C errors?

  - by Greg Maletic

  I'm getting the following error: 2010-05-11 17:46:28.475 MyApp[54112:5e1b] bool _WebTryThreadLock(bool), 0x140faa0: Tried to obtain the web lock from a thread other than the main thread or the web thread. This may be a result of calling to UIKit from a secondary thread. Crashing now... …

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• Objective C code to handle large amount of data processing in iPhone

  - by user167662

  I had the following code that takes in 14 mb or more of image data encoded in base4 string and converts them to jpeg before writing to a file in iphone. It crashes my program giving the following error : Program received signal: “0”. warning: check_safe_call: could not restore current frame I tweak my…

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• Cumulative Normal Distribution function in objective C

  - by William Jockusch

  Anyone know of a good implementation of this whose license is compatible with non-free iPhone apps? As suggested in this question, Boost looks absolutely wonderful. But as best I can tell, it is only available in C++. …

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• How to read a .sqlite file from objective C

  - by Futur

  Hi All, We have a .sqlite file ported with the app, and i wanted to decrypt the file(not just the contents, the whole file), the code we have is able to read a .txt file and i also tried reading the file in binary mode.…

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• iphone objective-c custom font

  - by Comma

  how can I load and embed a custom font in my iphone app? what font file types are supported? (otf, ttf...)

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• Online MySQL database in Objective-C

  - by Origamiguy

  I'm writing a game for iPhone, and I want an online leaderboard using mySQL, which i'm very familiar with. How do I implement this in my app? I would assume there's a framework/library i need to obtain?

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• How to use shared array between function calls in objective C

  - by Rambo

  I have one array. I want that array to retain its value between function calls of from single class function. I have function that is called every time page is loaded. This function displays all the data stored in…

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• Not very objective - please help

  - by chainwork

  I am having trouble understanding the meaning and more importantly the concept of an object as it relates to jQuery. I understand the basics that its a collection of data that comes in two forms, properties and…

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