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Why is “using namespace std;” considered bad practice?
I've been told by others that writing using namespace std; in code is wrong, and that I should use std::cout and std::cin directly instead.
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AngularJS validation with no enclosing
...;
<link rel="stylesheet" href="style.css" />
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.5/angular.min.js"> </script>
</head>
<body ng-controller="MainCtrl">
<div class="help-block error" ng-show="test.field.$error.required">Re...
Best way to get child nodes
...children.unshift(childNodes[i]);
}
}
return children;
}
http://jsfiddle.net/s4kxnahu/
This is especially easy if you are using a utility library such as lodash:
/**
* Return direct children elements.
*
* @param {HTMLElement}
* @return {Array}
*/
function elementChildren (el...
Search code inside a Github project
Is there a way to grep for something inside a Github project's code?
7 Answers
7
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Adding git branch on the Bash command prompt
...t to display Git status:
Get git-prompt script:
curl -o ~/.git-prompt.sh https://raw.githubusercontent.com/git/git/master/contrib/completion/git-prompt.sh
And customize your prompt adding the following code in your .bashrc file:
# Load Git functions
source ~/.git-prompt.sh
# Syntactic sugar fo...
Validate uniqueness of multiple columns
...or, but in general I recommend using a database constraint.
More reading: https://robots.thoughtbot.com/validation-database-constraint-or-both
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Why isn't std::initializer_list a language built-in?
It seems to me that it's quite an important feature of C++11 and yet it doesn't have its own reserved keyword (or something alike).
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Is it safe to use -1 to set all bits to true?
I've seen this pattern used a lot in C & C++.
20 Answers
20
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Why would $_FILES be empty when uploading files to PHP?
...reason why your $_FILES array is empty.
Source for some of these points:
http://getluky.net/2004/10/04/apachephp-_files-array-mysteriously-empty/
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Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int
...here has been a change to that answer from a flat out "no" to a "kind of"
http://github.com/facebook/hiphop-php/wiki
Hip Hop for PHP was a compiler that took PHP code and turned it into highly optimized C++
Apparently, some functions are not supported (for example 'explode')
I found this question...