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Cleanest way to get last item from Python iterator

...ven be correct? If the iterator doesn't actually iterate, then an out-of-band value is more meaningful than some misleading function-specific default. – S.Lott Jan 26 '10 at 11:44 ...
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CSS border less than 1px [duplicate]

...ay also be used to simulate the same effect, without the need to calculate and manipulate RGB values. .container { border-style: solid; border-width: 1px; margin-bottom: 10px; } .border-100 { border-color: rgba(0,0,255,1); } .border-75 { border-color: rgba(0,0,255,0.75); } .border-50 {...
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Are there any reasons to use private properties in C#?

... I use them if I need to cache a value and want to lazy load it. private string _password; private string Password { get { if (_password == null) { _password = CallExpensiveOperation(); } return _password; ...
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Python decorators in classes

... Test() test.bar() This avoids the call to self to access the decorator and leaves it hidden in the class namespace as a regular method. >>> import stackoverflow >>> test = stackoverflow.Test() >>> test.bar() start magic normal call end magic >>> edited t...
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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi

...ransactionManagementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key. ...
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How do I declare class-level properties in Objective-C?

... answered Mar 30 '09 at 4:50 Andrew GrantAndrew Grant 55.8k2222 gold badges126126 silver badges139139 bronze badges ...
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Sometimes adding a WCF Service Reference generates an empty reference.cs

Sometimes adding a WCF Service Reference generates an empty reference.cs and I cannot reference the service anywhere in the project. ...
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Declare a constant array

...hey are created at compile time, even when defined as locals in functions, and can only be numbers, characters (runes), strings or booleans. Because of the compile-time restriction, the expressions that define them must be constant expressions, evaluatable by the compiler. For instance, 1<<3 i...
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How can I use a C++ library from node.js?

... Look at node-ffi. node-ffi is a Node.js addon for loading and calling dynamic libraries using pure JavaScript. It can be used to create bindings to native libraries without writing any C++ code. share ...
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How to get the IP address of the server on which my C# application is running on?

I am running a server, and I want to display my own IP address. 26 Answers 26 ...