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What is the use of join() in Python threading?

...ead could continue '*' main-thread 'sleeping' in join-method, waiting for child-thread to finish ',' daemonized thread - 'ignores' lifetime of other threads; terminates when main-programs exits; is normally meant for join-independent tasks So the reason you don't see any changes is b...
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Coding Practices which enable the compiler/optimizer to make a faster program

...Write to local variables and not output arguments! This can be a huge help for getting around aliasing slowdowns. For example, if your code looks like void DoSomething(const Foo& foo1, const Foo* foo2, int numFoo, Foo& barOut) { for (int i=0; i<numFoo, i++) { barOut.mung...
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Determine the type of an object?

...) is str True >>> type(0) is int True This of course also works for custom types: >>> class Test1 (object): pass >>> class Test2 (Test1): pass >>> a = Test1() >>> b = Test2() >>> type(a) is Test1 True >>> type(b) is Te...
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Bundling data files with PyInstaller (--onefile)

...le EXE with PyInstaller which is to include an image and an icon. I cannot for the life of me get it to work with --onefile . ...
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How to implement the --verbose or -v option into a script?

...d to # stuff everything to be printed into a single string for arg in args: print arg, print else: verboseprint = lambda *a: None # do-nothing function (Yes, you can define a function in an if statement, and it'll only get defined if the condition is ...
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]

...th access to execution. When you are done, just remove the lock. In script form this might look like: #!/bin/bash lockfile -r 0 /tmp/the.lock || exit 1 # Do stuff here rm -f /tmp/the.lock share | ...
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do N times (declarative syntax)

... This answer is based on Array.forEach, without any library, just native vanilla. To basically call something() 3 times, use: [1,2,3].forEach(function(i) { something(); }); considering the following function: function something(){ console.log('somet...
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What's the _ underscore representative of in Swift References?

...y a little bit more. _ is used to modify external parameter name behavior for methods. In Local and External Parameter Names for Methods section of the documentation, it says: Swift gives the first parameter name in a method a local parameter name by default, and gives the second and subsequen...
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How to set ViewBag properties for all Views without using a base class for Controllers?

...our approach I've added another simplification, this time without the need for a module. – Nicholas Blumhardt Apr 19 '11 at 21:26 ...
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Android Studio says “cannot resolve symbol” but project compiles

..."Invalidate and Restart" option to fix this. EDIT 2: This fix should work for all similar incidents and is not a twitter4j specific resolution. share | improve this answer | ...