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What is the difference between require and require-dev sections in composer.json?
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Different Environments
Typically, software will run in different environments:
development
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Difference between a virtual function and a pure virtual function [duplicate]
...s an implementation.
(What that's good for is debatable.)
Note that C++11 brought a new use for the delete and default keywords which looks similar to the syntax of pure virtual functions:
my_class(my_class const &) = delete;
my_class& operator=(const my_class&) = default;
See thi...
How to check edittext's text is email address or not?
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17 Answers
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How to use JavaScript regex over multiple lines?
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edited May 23 '17 at 11:47
Community♦
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answered Dec 30 '09 at 18:29
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Disable browser 'Save Password' functionality
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PostgreSQL: Which Datatype should be used for Currency?
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edited Jan 4 '17 at 19:29
Eric Leschinski
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Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
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122
You need to install gcc-c++ package.
yum install gcc-c++
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How to use double or single brackets, parentheses, curly braces
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In Bash, test and [ are shell builtins.
The double bracket, which is a shell keyword, enables ...
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...ng the result. The implementation (please read the comments in order):
// 1. Call helloCatAsync passing a callback function,
// which will be called receiving the result from the async operation
helloCatAsync(function(result) {
// 5. Received the result from the async function,
// now...
Javascript regex returning true.. then false.. then true.. etc [duplicate]
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/^[^-_]([a-z0-9-_]{4,20})[^-_]$/gi;
You're using a g (global) RegExp. In JavaScript, global re...