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How do I correctly clone a JavaScript object?

... if you know its name, but I don't know of any way to discover it automatically. Yet another snag in the quest for an elegant solution is the problem of setting up the prototype inheritance correctly. If your source object's prototype is Object, then simply creating a new general object with {} wil...
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Why rename synthesized properties in iOS with leading underscores? [duplicate]

...s is an artifact of a previous version of the Objective-C runtime. Originally, @synthesize was used to create accessors methods, but the runtime still required that instance variables had to be instantiated explicitly: @interface Foo : Bar { Baz *_qux; } @property (retain) Baz *qux; @end @imp...
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Is there a function to make a copy of a PHP array to another?

...ewLarsson raises a point in the comments below. PHP has a special feature called "references". They are somewhat similar to pointers in languages like C/C++, but not quite the same. If your array contains references, then while the array itself is passed by copy, the references will still resolve to...
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Stack smashing detected

... Stack Smashing here is actually caused due to a protection mechanism used by gcc to detect buffer overflow errors. For example in the following snippet: #include <stdio.h> void func() { char array[10]; gets(array); } int main(int argc,...
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How to paste over without overwriting register

Does anyone know of a way to paste over a visually selected area without having the selection placed in the default register? ...
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Is explicitly closing files important?

In Python, if you either open a file without calling close() , or close the file but not using try - finally or the " with " statement, is this a problem? Or does it suffice as a coding practice to rely on the Python garbage-collection to close all files? For example, if one does this: ...
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CSS table layout: why does table-row not accept a margin?

...ered Jan 2 '10 at 23:42 richardtallentrichardtallent 31.4k1313 gold badges7575 silver badges111111 bronze badges ...
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Private and Protected Members : C++

... Public members of a class A are accessible for all and everyone. Protected members of a class A are not accessible outside of A's code, but is accessible from the code of any class derived from A. Private members of a class A are not accessible outside of A's code, or f...
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Django MEDIA_URL and MEDIA_ROOT

... answer below; it is a better solution. – Thane Brimhall Apr 6 '16 at 14:14 is this in your app or project urls.py? ...
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How to check if a map contains a key in Go?

...ring) and ok will receive a bool that will be set to true if "foo" was actually present in the map evaluates ok, which will be true if "foo" was in the map If "foo" is indeed present in the map, the body of the if statement will be executed and val will be local to that scope. ...