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Easiest way to convert int to string in C++

... each numeric type) and std::to_string, the counterparts of the C atoi and itoa but expressed in term of std::string. #include <string> std::string s = std::to_string(42); is therefore the shortest way I can think of. You can even omit naming the type, using the auto keyword: auto s = st...
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Does “untyped” also mean “dynamically typed” in the academic CS world?

... Yes, this is standard practice in academic literature. To understand it, it helps to know that the notion of "type" was invented in the 1930s, in the context of lambda calculus (in fact, even earlier, in the context of set theory). Since then, a whole branch of computa...
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How to have jQuery restrict file types on upload?

I would like to have jQuery limit a file upload field to only jpg/jpeg, png, and gif. I am doing backend checking with PHP already. I am running my submit button through a JavaScript function already so I really just need to know how to check for the file types before submit or alert. ...
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PHP, get file name without file extension

... No need for all that. Check out pathinfo(), it gives you all the components of your path. Example from the manual: $path_parts = pathinfo('/www/htdocs/index.html'); echo $path_parts['dirname'], "\n"; echo $path_parts['basename'], "\n"; echo $path_parts['extension'],...
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Unexpected value from nativeGetEnabledTags: 0

...e latest version of the SDK (r21) and ADT 21.0.0. I tried simple code, and it works well, but now I get a warning in LogCat that did not appear in the previous versions: ...
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Editing dictionary values in a foreach loop

... Setting a value in a dictionary updates its internal "version number" - which invalidates the iterator, and any iterator associated with the keys or values collection. I do see your point, but at the same time it would be odd if the values collection could change ...
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What is “stdafx.h” used for in Visual Studio?

... All C++ compilers have one serious performance problem to deal with. Compiling C++ code is a long, slow process. Compiling headers included on top of C++ files is a very long, slow process. Compiling the huge header structures that form part of Windows API and other large API libraries i...
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Cannot set some HTTP headers when using System.Net.WebRequest

...right to the last section of the answer. If you want to know better, read it all, and i hope you'll enjoy... I countered this problem too today, and what i discovered today is that: the above answers are true, as: 1.1 it's telling you that the header you are trying to add already exist and yo...
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What's the difference between a proc and a lambda in Ruby?

...g lambda {} gives you a proc that checks the number of arguments passed to it. From ri Kernel#lambda: Equivalent to Proc.new, except the resulting Proc objects check the number of parameters passed when called. An example: p = Proc.new {|a, b| puts a**2+b**2 } # => #<Proc:0x3c7d28@(irb)...
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Running SSH Agent when starting Git Bash on Windows

I am using git bash. I have to use 8 Answers 8 ...