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• Compile C++ file as objective-c++ using makefile

  - by Vikas

  I'm trying to compile .cpp files as objective-c++ using makefile as few of my cpp file have objective code. I added -x objective-c++ as complier option and started getting stray /327 in program error( and lots of similar error with different numbers after /). The errors are around 200. But when I change the encoding of the file from unicode-8 to 16…

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• How can Swift be so much faster than Objective-C?

  - by Yellow

  Apple launched its new programming language Swift today. In the presentation, they made some performance comparisons between Objective-C and Python. The following is a picture of one of their slides, of a comparison of those three languages performing some complex object sort: There was an even more incredible graph about a performance…

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• implementation of you tube api using Gdata objective-c client

  - by Samrudh

  Currently,I am developing an app in which i implement You Tube API for uploading videos to you tube from app. I implement API using Gdata objective-c client example youtubetest.xcodeproj. but when i upload video i am getting following error: Error Domain=com.goggle.GdataServiceeDomain code=400 "The Operation couldn't"…

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• Objective-C and sqlite's DATETIME type.

  - by sant0sk1

  I have a sqlite3 table that I'm trying to map to an object in objective-C. One attribute of the table is 'completed_at' which is stored as a DATETIME. I want to create a property on my objective-C class (which inherits from NSObject) that will map well to the 'completed_at' attribute. Objective-C has an NSDate type but I'm…

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• Objective-C wrapper API design methodology

  - by Wade Williams

  I know there's no one answer to this question, but I'd like to get people's thoughts on how they would approach the situation. I'm writing an Objective-C wrapper to a C library. My goals are: 1) The wrapper use Objective-C objects. For example, if the C API defines a parameter such as char *name, the Objective-C API…

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• Calling javascript from objective-c code

  - by Infinity

  Hello! I found a lots of ways to call objective-c code from javascript, but I want to call the javascript code from objective-c. Last time I submitted a HTML FORM from objective-c, and now I wan't to call a javascript method. What do you think, is there any way to call it and get the response? I am interested in any…

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• Creating an abstract class in Objective C

  - by Jonathan Arbogast

  I'm originally a Java programmer who now works with Objective-C. I'd like to create an abstract class but that doesn't appear to be possible in Objective-C. Is this possible? If not, how close to an abstract class can I get in Objective-C?

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• translating Ecmascript (Java,javascript,Actionscript) knowledge to Objective C

  - by eco_bach

  Hi Newcomer to Objective C and trying to translate concepts and sytax I know from ecmascript based languages to Objective C. Is it proper to think of the .h header file in ObjectiveC as an Interface in Actionscript? Lets take the following code example in Objective C which calls a method containing 2 arguments …

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• MonoTouch & C# VS Objective C for iphone app

  - by Eyla

  Greeting, I'm a C# programmer guy. I'm planning to start developing app for iphone but I'm not sure if I should use C# under MonoTouch or just use the native language for iphone OS Objective C. Is there a different to program for iphone app using C# or Objective C? Is there limitation using C# to program app…

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• Good book for Objective-C

  - by user185590

  hey any one suggest me good book for to learn objective-c Thanks

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• What are the pros and cons of using AppCelerator versus Objective-C

  - by user333639

  What are the pros and cons of using AppCelerator versus Objective-C

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• how to use tooltip in objective C?

  - by ashok kumar

  how to use tooltip in objective C?

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• Objective-C and its relation to C

  - by Daziplqa

  Hi folks, Actually, I am very new to Mobile programming, and need to take your opinions. I am a Java Developer with a C background, and I need to start Learning Objective-C with a target to do mobile app for iPhone and to refresh my knowledge in C (as I know, Objective-C is a pure superset for C, ain't it?). …

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• Objective-C @class / import best practice

  - by Winder

  I've noticed that a lot of Objective-C examples will forward declare classes with @class, then actually import the class in the .m file with an import. I understand that this is considered a best practice, as explained in answers to question: http://stackoverflow.com/questions/322597/objective-c-class-vs-import…

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• How much of the "Objective-C" I'm learning is universal Objective-C, and not Apple's frameworks?

  - by Chris Cooper

  This question is related to one of my others about C: What can you do in C without “std” includes? Are they part of “C,” or just libraries? I've become curious lately as to what is really contained the the core Objective-C language, and what parts of the Objective-C I've done for iPhone/OS X development is…

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• using objc_msgSend to call a Objective C function with named arguments

  - by Markus Pilman

  Hi all, I want to add scripting support for an Objective-C project using the objc runtime. Now I face the problem, that I don't have a clue, how I should call an Objective-C method which takes several named arguments. So for example the following objective-c call [object foo:bar]; could be called from C…

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• Objective-C and Android

  - by Tom R

  I've just finished a relatively large project for the Android, and it's left a bitter taste in my mouth with the knowledge that it will never run on one of the most ubiquitous handsets this side of the solar system (the one by that fruity little club). So, for my next project, I want to write it in a way…

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• Integrating Codeigniter and Objective C

  - by Mike

  I'm currently building a social networking site using the codeIgniter PHP framework. One of our major focuses of this site is to be able to upload images through the use of smartphones. We were focusing on building for the iPhone, but the iPhone doesn't let you upload files for some reason beyond me. I…

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• Non-member functions in Objective-C

  - by Jellyfingers McSlimedessert

  I want to write a standalone function in Objective-C; so essentially a C-style function, with Objective-C calls in it. For example: NSString* someFunc() { NSString* str = [[NSString alloc] init]; return str; } I declare the function in a header file, and define in it a .m file. However, the…

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• Passing methods/functions as args in Objective C

  - by Baishampayan Ghose

  Hello, I am new to Objective C and I am trying to implement an async library which works with callbacks. I need to figure out a way to pass callback methods as args to my async methods so that the callback can be invoked when the task is finished. What is the best way to achieve this in…

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• Objective-C member variable assignment?

  - by Alex

  I have an objective-c class with member variables. I am creating getters and setters for each one. Mostly for learning purposes. My setter looks like the following: - (void) setSomething:(NSString *)input { something = input; } However, in C++ and other languages I have worked with…

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• Why did Dylan lose to Objective-C

  - by Adam Gent

  I have played/worked with many different programming languages and Dylan is still one of my favorites. My question is why did Dylan fail when Objective-C, Ruby and even Scheme have had more success? Was Dylans performance that much worse than Objective-C that Apple went with it or…

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• Why did Dylan loose to Objective-C

  - by Adam Gent

  I have played/worked with many different programming languages and Dylan is still one of my favorites. My question is why did Dylan fail when Objective-C, Ruby and even Scheme have had more success? Was Dylans performance that much worse than Objective-C that Apple went with it or…

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• String encryption in C# and Objective c

  - by nbojja

  Hi All, I am building a iPhone app which uses c# web services. My c# web services takes user details and validates against my DB and returns xml files. So Now the issue is how to encrypt user details(username and password are 10chars each) in objective c and decrypt in C#. I am…

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• Best way to define an immutable class in Objective C

  - by Patrick Marty

  Hi, I am a newbie in Objective C and I was wondering what is the best way to define an immutable class in Objective-C (like NSString for example). I want to know what are the basic rules one has to follow to make a class immutable. I think that : setters shouldn't be…

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