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How do I concatenate multiple C++ strings on one line?

... #include <sstream> #include <string> std::stringstream ss; ss << "Hello, world, " << myInt << niceToSeeYouString; std::string s = ss.str(); Take a look at this Guru Of The Week article from Herb Sutter: The String Formatters of Ma...
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What characters are allowed in an email address?

...cters are allowed with restrictions (they are only allowed inside a quoted string, as described in the paragraph below, and in addition, a backslash or double-quote must be preceded by a backslash); comments are allowed with parentheses at either end of the local-part; e.g. john.smith(comment)@exa...
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When should the volatile keyword be used in C#?

...t (40203Ch)] 00401045 call dword ptr [__imp_std::basic_ostream<char,std::char_traits<char> >::operator<< (402038h)] } 0040104B xor eax,eax 0040104D pop ecx 0040104E ret Looking at the output, the compiler has decided to use the ecx re...
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How to set caret(cursor) position in contenteditable element (div)?

...and an offset within that node. For example, to set the caret to the fifth character of the second line of text, you'd do the following: function setCaret() { var el = document.getElementById("editable") var range = document.createRange() var sel = window.getSelection() rang...
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Using scanf() in C++ programs is faster than using cin?

...ough streams provide a lot of type safety, and do not have to parse format strings at runtime, it usually has an advantage of not requiring excessive memory allocations (this depends on your compiler and runtime). That said, unless performance is your only end goal and you are in the critical path t...
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Replace console output in Python

... An easy solution is just writing "\r" before the string and not adding a newline; if the string never gets shorter this is sufficient... sys.stdout.write("\rDoing thing %i" % i) sys.stdout.flush() Slightly more sophisticated is a progress bar... this is something I am us...
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ruby 1.9: invalid byte sequence in UTF-8

... In Ruby 1.9.3 it is possible to use String.encode to "ignore" the invalid UTF-8 sequences. Here is a snippet that will work both in 1.8 (iconv) and 1.9 (String#encode) : require 'iconv' unless String.method_defined?(:encode) if String.method_defined?(:encode) ...
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What's so bad about Template Haskell?

... lately (using haskell-src-exts / meta) - https://github.com/mgsloan/quasi-extras/tree/master/examples . I know this introduces some bugs such as not being able to splice in the generalized list comprehensions. However, I think that there's a good chance that some of the ideas in http://hackage.hask...
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How to convert int to QString?

Is there a QString function which takes an int and outputs it as a QString ? 8 Answers ...
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File Upload ASP.NET MVC 3.0

... Another point is you can replace the controller and action names (strings) in the Html.BeginForm() call like so: Html.BeginForm(null, null, FormMethod.Post, new { enctype = "multipart/form-data" }). This is useful if it is a partial view that is called from multiple parent views (or similar...