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Is 1.0 a valid output from std::generate_canonical?

... description of the output of the algorithm) when loss of precision occurs if the current IEEE754 rounding mode is anything other than round-to-negative-infinity (note that the default is round-to-nearest). The 7549723rd output of mt19937 with your seed is 4294967257 (0xffffffd9u), which when round...
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angularjs: ng-src equivalent for background-image:url(…)

...rc is a native directive, so it seems you want a similar directive that modifies your div's background-image style. You could write your own directive that does exactly what you want. For example app.directive('backImg', function(){ return function(scope, element, attrs){ var url = a...
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Short form for Java if statement

I know there is a way for writing a Java if statement in short form. 15 Answers 15 ...
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vim and NERD Tree extension - adding a file

... I'll add that if you're adding a directory name, remember to enter a "/" following the name. – Buffalo Billion Mar 22 '12 at 14:11 ...
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Is there a difference between “raise exception()” and “raise exception” without parenthesis?

...tion object. It must be either a subclass or an instance of BaseException. If it is a class, the exception instance will be obtained when needed by instantiating the class with no arguments." That said, even though the semantics are the same, the first form is microscopically faster, and the secon...
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Using JQuery to check if no radio button in a group has been checked

I'm sitting with a problem, I need to check with JQuery if no radio button within a radio button group has been checked, so that I can give the users an javascript error if they forgot to check a option. ...
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JavaScript Regular Expression Email Validation [duplicate]

... If you define your regular expression as a string then all backslashes need to be escaped, so instead of '\w' you should have '\\w'. Alternatively, define it as a regular expression: var pattern = /^\w+@[a-zA-Z_]+?\.[a-zA-Z...
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?

... If you have several versions of Python installed, /usr/bin/env will ensure the interpreter used is the first one on your environment's $PATH. The alternative would be to hardcode something like #!/usr/bin/python; that's ok, b...
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How to concatenate a std::string and an int?

I thought this would be really simple but it's presenting some difficulties. If I have 23 Answers ...
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What's the best three-way merge tool? [closed]

... KDiff3 open source, cross platform Same interface for Linux and Windows, very smart algorithm for solving conflicts, regular expressions for automatically solving conflicts, integrate with ClearCase, SVN, Git, MS Visual Studi...