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When should you use constexpr capability in C++11?
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Suppose it does something a little more complicated.
constexpr int MeaningOfLife ( int a, int b ) { return a * b; }
const int meaningOfLife = MeaningOfLife( 6, 7 );
Now you have something that can be evaluated down to a constant while...
Get a substring of a char* [duplicate]
... subbuff[5];
memcpy( subbuff, &buff[10], 4 );
subbuff[4] = '\0';
Job done :)
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How do I auto-hide placeholder text upon focus using css or jquery?
This is done automatically for every browser except Chrome .
26 Answers
26
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Is using a lot of static methods a bad thing?
I tend to declare as static all the methods in a class when that class doesn't require to keep track of internal states. For example, if I need to transform A into B and don't rely on some internal state C that may vary, I create a static transform. If there is an internal state C that I want to be ...
Difference between setTimeout with and without quotes and parentheses
... noticed a strange figure which I didn’t run into before. They are using double quotes and then call the function.
6 Answ...
Response.Redirect with POST instead of Get?
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Doing this requires understanding how HTTP redirects work. When you use Response.Redirect(), you send a response (to the browser that made the request) with HTTP Status Code 302, which tells the browser where to go next. By...
How do I access named capturing groups in a .NET Regex?
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Don't use var m, since that would be an object.
– Thomas Weller
Nov 30 '15 at 11:34
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How to create a jQuery plugin with methods?
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According to the jQuery Plugin Authoring page (http://docs.jquery.com/Plugins/Authoring), it's best not to muddy up the jQuery and jQuery.fn namespaces. They suggest this method:
(function( $ ){
var methods = {
init : function(options) {
},
show : ...
Ignore .pyc files in git repository
...in .gitignore. But from the gitignore(5) man page:
· If the pattern does not contain a slash /, git treats it as a shell
glob pattern and checks for a match against the pathname relative
to the location of the .gitignore file (relative to the toplevel of
the work tree if ...
What's the difference between unit tests and integration tests? [duplicate]
...itten by the programmer to verify that a relatively small piece of code is doing what it is intended to do. They are narrow in scope, they should be easy to write and execute, and their effectiveness depends on what the programmer considers to be useful. The tests are intended for the use of the pro...