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How do I specify a pointer to an overloaded function?

... have the template deduction succeed, you need to do more work on the call site. Generic solution to fixing it Hopping in here a few years and C++14 later. Rather than use a static_cast (which would allow template deduction to succeed by "fixing" which f we want to use, but requires you to manual...
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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?

...only match at that position or earlier. For example: std::string test = "0123123"; size_t match1 = test.rfind("123"); // returns 4 (rightmost match) size_t match2 = test.rfind("123", 2); // returns 1 (skipped over later match) size_t match3 = test.rfind("123", 0); // returns std::string::npos (i...
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Java: How to set Precision for double value? [duplicate]

...ts. If you only want to print, use it this way: System.out.printf("%.2f",123.234); share | improve this answer | follow | ...
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Regular Expression to reformat a US phone number in Javascript

... Assuming you want the format "(123) 456-7890": function formatPhoneNumber(phoneNumberString) { var cleaned = ('' + phoneNumberString).replace(/\D/g, '') var match = cleaned.match(/^(\d{3})(\d{3})(\d{4})$/) if (match) { return '(' + match[1] + ')...
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Git - working on wrong branch - how to copy changes to existing topic branch

... Sounds like all you need is the following: git stash git checkout branch123 git stash apply Then you should be back on your own branch without touching the master branch. share | improve this a...
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How can I change Eclipse theme?

...11 With Eclipse 3.x, theme is only for the editors, as you can see in the site "Eclipse Color Themes". Anything around that is managed by windows system colors. That is what you need to change to have any influence on Eclipse global colors around editors. Eclipse 4 will provide much advance theme ...
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How different is Objective-C from C++? [closed]

... highly recommend the guide LiraNuna pointed you to. Incidentally, another site of interest might be this. I should also point out that I'm just starting learning Objective-C myself, and as such a lot of the above may not quite be correct or complete - I apologise if that's the case, and welcome su...
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C#操作XML小结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...mlSchema("your xmlfile name"); 第二种方法: <aaa> <add key="123" value="321"/> </aaa> 如果我要找到123然后取到321应该怎么写呢? using System.XML; XmlDataDocument xmlDoc = new System.Xml.XmlDataDocument(); xmlDoc.Load(@"c:/Config.xml"); XmlElement elem = xmlDoc....
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Is R's apply family more than syntactic sugar?

... The apply functions in R don't provide improved performance over other looping functions (e.g. for). One exception to this is lapply which can be a little faster because it does more work in C code than in R (see this question for an ...
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What's the best way to detect a 'touch screen' device using JavaScript?

...zr is a great, lightweight way to do all kinds of feature detection on any site. It simply adds classes to the html element for each feature. You can then target those features easily in CSS and JS. For example: html.touch div { width: 480px; } html.no-touch div { width: auto; } And Ja...