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How do I avoid capturing self in blocks when implementing an API?

I have a working app and I'm working on converting it to ARC in Xcode 4.2. One of the pre-check warnings involves capturing self strongly in a block leading to a retain cycle. I've made a simple code sample to illustrate the issue. I believe I understand what this means but I'm not sure the "corre...
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Draw text in OpenGL ES

... TextView over your SurfaceView. This is slow and bad, but the most direct approach. Render common strings to textures, and simply draw those textures. This is by far the simplest and fastest, but the least flexible. Roll-your-own text rendering code based on a sprite. Probably second best choice if...
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How to enumerate an enum with String type?

... @DmitryPetukhov I'd be happy to help, but: (1) are you sure you got the latest version of the code? (some crash was fixed a month ago) and (2) please give an MCVE of your custom type that can reproduce a crash, and your version of Xcode. ...
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How should I edit an Entity Framework connection string?

I recently had to edit my app.config file to change the connection string for an Entity Framework data model ( .edmx file). But I'd like to know: Is there a way to edit the EF connection string using the designer? ...
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Can't find the 'libpq-fe.h header when trying to install pg gem

...xecute sudo apt-get install libpq-dev then bundle install and the error disappeared. Thanks – Felo Vilches Oct 20 '19 at 17:00  |  show 19 mor...
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How to disable / enable dialog negative positive buttons?

...ng any text that the user has already typed in. If you don't want that to happen you need to dismiss the fragment in your activity's onStop. The newInstance method signature can be changed to whatever you need. import android.app.Activity; import android.app.Dialog; import android.app.DialogFragmen...
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What's the difference between using CGFloat and float?

...it will jump to the CGBase.h header where the typedef is defined. The same approach is used for NSInteger and NSUInteger as well. These types were introduced to make it easier to write code that works on both 32-bit and 64-bit without modification. However, if all you need is float precision within...
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What is the best IDE to develop Android apps in? [closed]

I am about to start developing an android app and need to get an IDE. Eclipse and the android eclipse plugin appears to be the natural choice. However I am familiar with intelliJ and re-sharper so I would prefer use intelliJ. ...
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Remove Application Insight from application on Visual Studio 2013

On Visual Studio I added application insight to a project which creates a ApplicationInsights.config and not sure what other files were added to the project. ...
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How can I automatically deploy my app after a git push ( GitHub and node.js)?

I have my application (node.js) deployed on a VPS (linux). I'm using git hub as a repository. How can I deploy the application automatically, on git push ? ...