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Warn user before leaving web page with unsaved changes

...firmationMessage; //Gecko + Webkit, Safari, Chrome etc. }); }; Then calling the setter when submitting: <form method="post" onsubmit="setFormSubmitting()"> <input type="submit" /> </form> But read on... Long, correct answer: You also don't want to show this mess...
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How to add a default include path for GCC in Linux?

...am> to link Just note that creating an alias is a very poor solution, really you would build a list of your 'favorite includes' and add them in your makefile. – h4unt3r May 17 '13 at 17:56 ...
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提升速度:XP注册表与驱动优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...优化方案 1、启动加速 虽然Windows XP的启动速度比Windows 98有了很大提高,但还是有加速的余力。到微软站点下载Bootvis.exe文件,启动它,依次选择菜单里面的Trace→Optimize System,这时候系统会提示是否重新启动,选择启动,重...
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Difference of keywords 'typename' and 'class' in templates?

...Foo { typedef typename param_t::baz sub_t; }; The second one you actually show in your question, though you might not realize it: template < template < typename, typename > class Container, typename Type > When specifying a template template, the class keyword MUST be used as ab...
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Why can I use auto on a private type?

...e itself is still usable, which is why you can return it to client code at all. share | improve this answer | follow | ...
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli

... When I called Integer.toHexString((byte)0xff) it returned "ffffffff" because of sign extension. So one might need to take the last two characters of the returned string. – Marvo Jul 27 '12 at 2...
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Initialize a byte array to a certain value, other than the default null? [duplicate]

... For small arrays use array initialisation syntax: var sevenItems = new byte[] { 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 }; For larger arrays use a standard for loop. This is the most readable and efficient way to do it: var se...
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How to escape special characters in building a JSON string?

...Tab \" Double quote \\ Backslash character However, even if it is totally contrary to the spec, the author could use \'. This is bad because : It IS contrary to the specs It is no-longer JSON valid string But it works, as you want it or not. For new readers, always use a double quote...
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Which is more correct: … OR …

...th of the container the <h1> resides in) will be clickable. Historically you could not put a block element inside of an inline element, but this is no longer the case with HTML5. I would think that the <h1><a>..</a></h1> approach is more conventional though. In the c...
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What does Maven do, in theory and in practice? When is it worth to use it? [closed]

...t a Java project just for practice. I've read about Maven, but I don't actually understand when it is meant to be used. 3 ...