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Object.watch() for all browsers?

...${value}`); target[key] = value; } }); targetProxy.hello_world = "test"; // console: 'hello_world set to test' If you need to observe changes made to a nested object, then you need to use a specialized library. I published Observable Slim and it works like this: var test = {testing:{}}; ...
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Check existence of directory and create if doesn't exist

... Hi, I want ot create nested directory, like if I am in folder test1 then inside it test2 inside it test3 ... but right now I am facing problem. Is there a way that I can create 3 level of directory even if directory1 does not exits ?? – Praveen Kesani ...
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Class method differences in Python: bound, unbound and static

...ically, a call to a member function (like method_one), a bound function a_test.method_one() is translated to Test.method_one(a_test) i.e. a call to an unbound method. Because of that, a call to your version of method_two will fail with a TypeError >>> a_test = Test() >>> a_...
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Checking if a double (or float) is NaN in C++

...+ (with -fastmath) screw that up. the only general way, until c++0x, is to test for bitpattern. – Cheers and hth. - Alf Mar 26 '11 at 9:15 66 ...
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Using jQuery to test if an input has focus

...) jQuery 1.5 and below Edit: As times change, we find better methods for testing focus, the new favorite is this gist from Ben Alman: jQuery.expr[':'].focus = function( elem ) { return elem === document.activeElement && ( elem.type || elem.href ); }; Quoted from Mathias Bynens here: ...
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Equation for testing if a point is inside a circle

... circle with center (center_x, center_y) and radius radius , how do you test if a given point with coordinates (x, y) is inside the circle? ...
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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?

... RETURN NULL; END; RETURN v_int_value; END; $$ LANGUAGE plpgsql; Testing: =# select convert_to_integer('1234'); convert_to_integer -------------------- 1234 (1 row) =# select convert_to_integer(''); NOTICE: Invalid integer value: "". Returning NULL. convert_to_integer...
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Xcode: What is a target and scheme in plain language?

...ect has two targets, a "normal" build and an "office" build that has extra testing features and may contain several background music tracks and a button to change the track (as it currently does). You'll be used to adding classes and resources to your default target as you add them. You can pick and...
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Batch file include external file for variables

...ollowing a.bat: @echo off call b.bat echo %MYVAR% and b.bat: set MYVAR=test Running a.bat should generate output: test share | improve this answer | follow ...
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WPF OpenFileDialog with the MVVM pattern? [duplicate]

... { string OpenFileDialog(string defaultPath); //Other similar untestable IO operations Stream OpenFile(string path); } In your application, you would provide a default implementation of this service. Here is how you would consume it. public MyViewModel : ViewModel { private ...