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What is the difference between shallow copy, deepcopy and normal assignment operation?

...llow copy: d = copy.copy(c) print id(c) == id(d) # False - d is now a new object print id(c[0]) == id(d[0]) # True - d[0] is the same object as c[0] Using a deep copy: d = copy.deepcopy(c) print id(c) == id(d) # False - d is now a new object print id(c[0]) == id(d[0]) #...
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]

... It's 2014 now, so we need semicolons again. – tacone Jan 8 '14 at 17:35 56 ...
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How can one use multi threading in PHP applications

... That's nice, I have not touched PHP for years and now it's got multithreading capabilities! – cruizer Mar 27 '14 at 8:33 1 ...
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How to convert local time string to UTC?

... NOTE -- As of 2020 you should not be using .utcnow() or .utcfromtimestamp(xxx). As you've presumably moved on to python3,you should be using timezone aware datetime objects. >>> from datetime import timezone >>> dt_now = datetime.now(tz=timezone.utc) &g...
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Xcode changes unmodified storyboard and XIB files

... because of merging issues. Total madness. They are so amazing, especially now that they have intelligent autolayout built in, you are really missing out if you are not using them. share | improve t...
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Checkout one file from Subversion

... it's simpler to use svn export than it is to use the web interface, if I know what file I want. The questioner already uses SVN, so I guess it depends what client and whether that client makes it easy to use svn export. I do find the web interface better for browsing than svn ls, though :-) ...
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git:// protocol blocked by company, how can I get around that?

...$ curl http://github.com:9418 curl: (7) couldn't connect to host OK, so now we have determined it is our git port being blocked by a firewall, what can we do about it? Read on :) Basic URL Rewriting Git provides a way to rewrite URLs using git config. Simply issue the following command: git co...
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What is the difference between include and extend in Ruby?

...class (i.e. the singleton class) e.g. if you call Klazz.extend(Mod), now Klazz has Mod's methods (as class methods) if you call obj.extend(Mod), now obj has Mod's methods (as instance methods), but no other instance of of obj.class has those methods added. extend is a public method include -...
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Commands out of sync; you can't run this command now

...ysqli, and get the error "Commands out of sync; you can't run this command now". 20 Answers ...
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Git Diff with Beyond Compare

... As @pClass mentions below, "bc3" is now an internal tool in newer versions of git. You should use a unique name, such as "beyondcompare3" – Scott Wegner Oct 26 '12 at 16:46 ...