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How to get datetime in JavaScript?

... Semantically, you're probably looking for the one-liner new Date().toLocaleString() which formats the date in the locale of the user. If you're really looking for a specific way to format dates, I recommend the moment.js library....
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how to stop browser back button using javascript

... There are numerous reasons why disabling the back button will not really work. Your best bet is to warn the user: window.onbeforeunload = function() { return "Your work will be lost."; }; This page does list a number of ways you could try to disable the back button, but none are guaranteed...
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How to reset db in Django? I get a command 'reset' not found error

... It looks like the 'flush' answer will work for some, but not all cases. I needed not just to flush the values in the database, but to recreate the tables properly. I'm not using migrations yet (early days) so I really needed to drop all the tables. Two ways I've found to drop all ...
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What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]

... This really is not a proper answer as this is not an inherent feature or function of JavaScript and there are innumerable scenarios where one will absolutely not have access to console.log() – Chris Rasys ...
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Why does “_” (underscore) match “-” (hyphen)?

...you are in a pattern context. e.g. inside a LIKE statement. When replacing all _ with an - : UPDATE sys_file set identifier = REPLACE(identifier, '_', '-') WHERE identifier LIKE '%\_%';. Notice the escaping inside LIKE and no escaping inside REPLACE. (I find it strange though that you are not in a p...
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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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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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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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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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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...