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Objective-C declared @property attributes (nonatomic, copy, strong, weak)

... retaining the copy. Assign Assign is somewhat the opposite to copy. When calling the getter of an assign property, it returns a reference to the actual data. Typically you use this attribute when you have a property of primitive type (float, int, BOOL...) Retain retain is required when the attribut...
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Recursive file search using PowerShell

I am searching for a file in all the folders. 8 Answers 8 ...
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How does JavaScript .prototype work?

...ing languages but I've written my fair share of JavaScript code. I never really got my head around this prototype-based programming, does any one know how this works? ...
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Cleanest way to get last item from Python iterator

...specific default value could even 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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How do you round a floating point number in Perl?

.... For rounding to a certain number of digits, sprintf() or printf() is usually the easiest route. printf("%.3f", 3.1415926535); # prints 3.142 The POSIX module (part of the standard Perl distribution) implements ceil(), floor(), and a number of other mathematical and trigonometric func...
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How to write a CSS hack for IE 11? [duplicate]

...p-equiv="X-UA-Compatible" content="IE=edge"> <style> @media all and (-ms-high-contrast:none) { .foo { color: green } /* IE10 */ *::-ms-backdrop, .foo { color: red } /* IE11 */ } </style> </head> <body> <div class="foo">Hi There!!!</...
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What is the difference between require_relative and require in Ruby?

... the docs: require_relative complements the builtin method require by allowing you to load a file that is relative to the file containing the require_relative statement. For example, if you have unit test classes in the "test" directory, and data for them under the test "test/data" directo...
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Get local IP address

...sing Geraldo H Answer, but if anyone is using this, you may want to remove all ips that ends with 1, so it will remove loopback and virtualbox/vmware default ips – Leonardo Xavier Jun 23 '15 at 13:03 ...
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How to detect that animation has ended on UITableView beginUpdates/endUpdates?

...ates . I am also using beginUpdates/endUpdates when adjusting rowHeight. All these operations are animated by default. 7 ...
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C#: Assign same value to multiple variables in single statement

...nteresting to know that the get accessor of the intermediate value is not called. Only the set accessor is invoked for all property accessed in the assignation sequence. Take for example a class that write to the console everytime the get and set accessor are invoked. static void Main(string[] arg...