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When do items in HTML5 local storage expire?

... localStorage.removeItem(name); localStorage.removeItem(name + '_expiresIn'); } catch(e) { console.log('removeStorage: Error removing key ['+ key + '] from localStorage: ' + JSON.stringify(e) ); return false; } return true; } /* getStorage: retrieves a key fro...
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Android OpenGL ES and 2D

...your canvas set up, you start by calling something like: gl.glClear(GL10.GL_COLOR_BUFFER_BIT); After that you're ready to render a sprite. First, you'll need to load the sprite into a texture: http://qdevarena.blogspot.com/2009/02/how-to-load-texture-in-android-opengl.html However, this is the tut...
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C++ equivalent of java's instanceof

... Try using: if(NewType* v = dynamic_cast<NewType*>(old)) { // old was safely casted to NewType v->doSomething(); } This requires your compiler to have rtti support enabled. EDIT: I've had some good comments on this answer! Every time you nee...
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Why does javascript replace only first instance when using replace? [duplicate]

...al meaning in regexen — the JavaScript idiom for that is: var id= 'c_'+date.split('/').join(''); share | improve this answer | follow | ...
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Declare a block method parameter without using a typedef

...ssue benefits from multiple): @implementation CallbackAsyncClass { void (^_loginCallback) (NSDictionary *response); } // … - (void)loginWithCallback:(void (^) (NSDictionary *response))handler { // Do something async / call URL _loginCallback = Block_copy(handler); // response will c...
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How to set IntelliJ IDEA Project SDK

...For a new project select the home directory of the jdk eg C:\Java\jdk1.7.0_99 or C:\Program Files\Java\jdk1.7.0_99 For an existing project. 1) You need to have a jdk installed on the system. for instance in C:\Java\jdk1.7.0_99 2) go to project structure under File menu ctrl+alt+shift+S 3) SD...
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]

...d .cctor() cil managed { // Code size 11 (0xb) .maxstack 8 IL_0000: ldstr "" IL_0005: stsfld string System.String::Empty IL_000a: ret } // end of method String::.cctor In the .NET 4.5 version of mscorlib.dll, String.cctor (the static constructor) is conspicuously abse...
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Is there a generator version of `string.split()` in Python?

...y probable that re.finditer uses fairly minimal memory overhead. def split_iter(string): return (x.group(0) for x in re.finditer(r"[A-Za-z']+", string)) Demo: >>> list( split_iter("A programmer's RegEx test.") ) ['A', "programmer's", 'RegEx', 'test'] edit: I have just confirmed th...
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Checking if a double (or float) is NaN in C++

...d portable solution. You can even test for -ffast-math by testing for the __FAST_MATH__ macro and switch to a different implementation in that case (e.g. use unions and bit twiddling). – Adam Rosenfield Mar 27 '11 at 23:45 ...
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?

...e egg under Users/$USER/.python-eggs Step 4: Originally required editing _mysql.c, but is now NO LONGER NECESSARY. MySQLdb community seem to have fixed this bug now. Step 5: Create a symbolic link under lib to point to a sub-directory called mysql. This is where it looks for during compilation. ...