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What is the purpose of .PHONY in a Makefile?

...he file system. Good examples for this are the common targets "clean" and "all". Chances are this isn't the case, but you may potentially have a file named clean in your main directory. In such a case Make will be confused because by default the clean target would be associated with this file and Ma...
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Which is better: … or …

... Do you need a type attribute at all? If you're using HTML5, no. Otherwise, yes. HTML 4.01 and XHTML 1.0 specifies the type attribute as required while HTML5 has it as optional, defaulting to text/javascript. HTML5 is now widely implemented, so if you use th...
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What's the result of += in C and C++?

...7.1: The assignment operator (=) and the compound assignment operators all group right-to-left. All require a modifiable lvalue as their left operand and return an lvalue with the type and value of the left operand after the assignment has taken place. EDIT : The behavior of (i+=10)+=10 in ...
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An algorithm for inflating/deflating (offsetting, buffering) polygons

...re written in Delphi, C++ and C#. It has a very unencumbered Boost license allowing it to be used in both freeware and commercial applications without charge. Polygon offsetting can be performed using one of three offset styles - squared, round and mitered. ...
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Meaning of Choreographer messages in Logcat [duplicate]

I installed the latest versions of SDK (API 16) and got the latest ADT. I'm now seeing these messages in the logcat, that I'm quite sure, I haven't seen before. Does anyone have an idea about this? ...
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Detect browser or tab closing

...closed. Also, the onbeforeunload is non-standard, so it's not supported by all browsers. – Guffa Oct 8 '10 at 8:45 8 ...
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View HTTP headers in Google Chrome?

... More to note: if you don't see any resources - look at tabs area (All | XHR JS and etc) and select All – Zanshin13 Jan 12 '17 at 10:05  |  ...
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How to upload a project to Github

...e I wrote this answer, github released a native windows client which makes all the below steps redundant. You can also use sourcetree to get both git and mercurial setup on Windows. Here is how you would do it in Windows: If you don't have git installed, see this article on how to set it up. O...
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Removing “NUL” characters

...ty102.blogspot.ru/2010/04/findreplace-of-nul-objects-in-notepad.html Basically you need to replace \x00 characters with regular expressions share | improve this answer | fol...
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Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an

... of events up in another page, the API itself is tremendously helpful, and all of what I'm discussing below is linked directly from this page. First, .click(function) is literally a shortcut for .bind('click', function), they are equivalent. Use them when binding a handler directly to an element, ...