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What is the difference between range and xrange functions in Python 2.X?

...hey did. In Python 3. (They couldn't do that in the Python 2.x line, since all changes must be backwards compatible.) – Paul Draper May 7 '15 at 3:50 12 ...
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What is the purpose of “return await” in C#?

...n async method behave differently: when combined with using (or, more generally, any return await in a try block). Consider these two versions of a method: Task<SomeResult> DoSomethingAsync() { using (var foo = new Foo()) { return foo.DoAnotherThingAsync(); } } async Tas...
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Best way to format integer as string with leading zeros? [duplicate]

... @Zelphir you can dynamically create the formatting string, [('{{0:0{0:d}d}}').format(len(my_list)).format(k) for k in my_list] – Mark Aug 28 '15 at 8:31 ...
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“Variable” variables in Javascript?

...usly consider that). It is possible to access some global variables dynamically via window, but that doesn't work for variables local to a function. Global variables that do not become a property of window are variables defined with let and const, and classes. There is almost always a better soluti...
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Generating a PNG with matplotlib when DISPLAY is undefined

... Important note: .use needs to be called before pyplot is imported. So if you are, for instance, just trying to import pyplot, you need to import matplotlib first, call use, and than import pyplot. – seaotternerd Nov 8 '1...
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Can't find the PostgreSQL client library (libpq)

... $ sudo su $ env ARCHFLAGS="-arch x86_64" gem install pg Building native extensions. This could take a while... Successfully installed pg-0.11.0 1 gem installed Installing ri documentation for pg-0.11.0... Installing RDoc documentation for pg-0.11.0... WORKE...
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Android Studio inline compiler showing red errors, but compilation with gradle works fine

... Deleting everything in .idea directory is a bad idea, as it might reset all project settings. Just removing .idea/libraries and .idea/caches finally solved the problem for me after trying all other solutions. – fdermishin May 17 '18 at 15:56 ...
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Backbone View: Inherit and extend events from parent

...: var ChildView = ParentView.extend({ events: function(){ return _.extend({},ParentView.prototype.events,{ 'click' : 'onclickChild' }); } }); Another would be: var ParentView = Backbone.View.extend({ originalEvents: { 'click': 'onclick' }, //Override th...
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How do I remove a key from a JavaScript object? [duplicate]

... The delete operator allows you to remove a property from an object. The following examples all do the same thing. // Example 1 var key = "Cow"; delete thisIsObject[key]; // Example 2 delete thisIsObject["Cow"]; // Example 3 delete thisIsO...
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If Python is interpreted, what are .pyc files?

...'translated'. Python is then compiled to a bytecode. AFAIK, only Bash is really interpreted , all other popular "interpreted" languages are all compiled to a bytecode. – bfontaine Aug 6 '14 at 13:42 ...