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std::string to float or double

... std::string num = "0.6"; double temp = ::atof(num.c_str()); Does it for me, it is a valid C++ syntax to convert a string to a double. You can do it with the stringstream or boost::lexical_cast but those come with a performance penalty. Ah...
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Install a module using pip for specific python version

On Ubuntu 10.04 by default Python 2.6 is installed, then I have installed Python 2.7. How can I use pip install to install packages for Python 2.7. ...
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How can I test https connections with Django as easily as I can non-https connections using 'runserv

...unication. For this we turn to openssl. Create the key: openssl genrsa 1024 > stunnel.key Create the certificate that uses this key (this will ask you a bunch of information that will be included in the certficate - just answer with whatever feels good to you): openssl req -new -x509 -nodes...
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Structs in Javascript

...); var count = names.length; function constructor() { for (var i = 0; i < count; i++) { this[names[i]] = arguments[i]; } } return constructor; } var Item = makeStruct("id speaker country"); var row = new Item(1, 'john', 'au'); alert(row.speaker); // displays: john ...
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How to get the difference between two arrays in JavaScript?

... 230 I assume you are comparing a normal array. If not, you need to change the for loop to a for .. i...
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Why are C character literals ints instead of chars?

... answered Jan 11 '09 at 23:21 MalxMalx 95211 gold badge88 silver badges1616 bronze badges ...
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JavaScript URL Decode function

... 220 I've used encodeURIComponent() and decodeURIComponent() too. ...
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How do I get the current line number?

... 180 In .NET 4.5 / C# 5, you can get the compiler to do this work for you, by writing a utility metho...
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Pass Array Parameter in SqlCommand

... 170 You will need to add the values in the array one at a time. var parameters = new string[items.L...
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How to 'minify' Javascript code

...Production (19KB, Minified and Gzipped) , and the other is Development (120KB, Uncompressed Code) . 9 Answers ...