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Replace selector images programmatically

...that has a drawable image resource set to a selector. How do I programmatically access the selector and change the images of the highlighted and non-highlighted state? ...
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Java8 Lambdas vs Anonymous classes

... been recently released and its brand new lambda expressions looks to be really cool, I was wondering if this means the demise of the Anonymous classes that we were so used to. ...
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How do I make an asynchronous GET request in PHP?

... Am I right in saying that this function is improperly named? It really doesn't have anything to do with the curl library. It's fsock_post_async() more like it – MikeMurko Oct 8 '12 at 19:28 ...
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What are the main disadvantages of Java Server Faces 2.0?

...ts which seem to make development much faster than with ASP.NET MVC, especially on AJAX-heavy sites. Integration testing looked very nice too. ...
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What does template mean?

... template<void (*F)()> struct FunctionWrapper { static void call_it() { F(); } }; // pass address of function do_it as argument. void do_it() { } FunctionWrapper<&do_it> test; Template reference parameter (passing an integer) template<int &A> struct SillyExample { ...
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?

... 'pancakes house?' } The JavaScript style (key: value) is only useful if all of your Hash keys are "simple" symbols (more or less something that matches /\A[a-z_]\w*\z/i, AFAIK the parser uses its label pattern for these keys). The :$in style symbols show up a fair bit when using MongoDB so you'l...
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How to post JSON to PHP with curl

I may be way off base, but I've been trying all afternoon to run the curl post command in this recess PHP framework tutorial. What I don't understand is how is PHP supposed to interpret my POST, it always comes up as an empty array. ...
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How can I remove a key and its value from an associative array?

...oop, then you need to prepend an ampersand to your enumeration variable to allow write access. – FreeAsInBeer Jul 30 '12 at 21:20 1 ...
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Get the current displaying UIViewController on the screen in AppDelegate.m

...d can be easily reused. So I created a category on UIWindow. You can now call visibleViewController on UIWindow and this will get you the visible view controller by searching down the controller hierarchy. This works if you are using navigation and/or tab bar controller. If you have another type of...
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What is the difference between ELF files and bin files?

...ded loader format ELf file ,what is the difference between the two , especially the utility of ELF file. 4 Answers ...