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performSelector may cause a leak because its selector is unknown
I'm getting the following warning by the ARC compiler:
19 Answers
19
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What are best practices that you use when writing Objective-C and Cocoa? [closed]
I know about the HIG (which is quite handy!), but what programming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch).
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Fixed point vs Floating point number
I just can't understand fixed point and floating point numbers due to hard to read definitions about them all over Google. But none that I have read provide a simple enough explanation of what they really are. Can I get a plain definition with example?
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Can I make a function available in every controller in angular?
If I have a utility function foo that I want to be able to call from anywhere inside of my ng-app declaration. Is there someway I can make it globally accessible in my module setup or do I need to add it to the scope in every controller?
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How to resolve merge conflicts in Git?
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Careful! The meaning of --ours and --theirs is reversed. --ours == the remote. --theirs == local. See git merge --help
– mmell
Mar 4 '13 at 22:56
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Line-breaking widget layout for Android
I'm trying to create an activity that presents some data to the user. The data is such that it can be divided into 'words', each being a widget, and sequence of 'words' would form the data ('sentence'?), the ViewGroup widget containing the words. As space required for all 'words' in a 'sentence' wou...
what is the difference between a portlet and a servlet?
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which holds the portlet.
Portlets can be provided with controls to manipulate its window states
or portlet modes.
Multiple instances of a single portlet can be placed onto the same
page.
Portlets support persistent configuration and customization, profile
information.
Portlets can have two...
Difference between Pragma and Cache-Control headers?
...specification. Pragma: no-cache is intended to be used only in requests (meaning "I want the original, not a cached copy") and its behaviour is not specified for responses.
– clime
Mar 7 '13 at 13:49
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What is the recommended approach towards multi-tenant databases in MongoDB?
I'm thinking of creating a multi-tenant app using MongoDB. I don't have any guesses in terms of how many tenants I'd have yet, but I would like to be able to scale into the thousands.
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Looking for a clear definition of what a “tokenizer”, “parser” and...
... A lexer will note that "int", "=", and ";" are tokens without further meaning, that "x" is a identifier name or something, value "x", and "1" is an integer or number, value "1". A tokenizer won't necessarily do that.
– David Thornley
Mar 26 '09 at 17:54
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