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How are echo and print different in PHP? [duplicate]
...irrelevant which one you use. echo is marginally faster
since it doesn't set a return value if you really want to get down to the
nitty gritty.
Expression. print() behaves like a function in that you can do:
$ret = print "Hello World"; And $ret will be 1. That means that print
can be used as p...
SQL: deleting tables with prefix
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Note to self.Increase num of max char: SET SESSION group_concat_max_len = 999999999;
– Mohammed Joraid
Apr 12 '15 at 0:59
2
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Add an already existing directory to a directory in Solution Explorer
... folders, or containing project folders. The drag-and-drop works (with my settings) only for the project folders, and no for the solution folders.
If I add a new solution folder, nothing happens on the machine. If I drag-and-drop a machine folder to the main Solution, it refuses to accept it. ...
Pure virtual destructor in C++
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How to get current formatted date dd/mm/yyyy in Javascript and append it to an input [duplicate]
...r format you want:
<script>
$(document).ready(function() {
// set an element
$("#date").val( moment().format('MMM D, YYYY') );
// set a variable
var today = moment().format('D MMM, YYYY');
});
</script>
Use following chart for date formats:
...
How to disable JavaScript in Chrome Developer Tools?
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Click the ⋮ menu in the corner of the Developer Tools, click Settings, then check Disable Javascript under Debugger.
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vector::at vs. vector::operator[]
I know that at() is slower than [] because of its boundary checking, which is also discussed in similar questions like C++ Vector at/[] operator speed or ::std::vector::at() vs operator[] << surprising results!! 5 to 10 times slower/faster! . I just don't understand what the at() met...
How to define @Value as optional
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
...
Edited
ES6 solution:
[...new Set(a)];
Alternative:
Array.from(new Set(a));
Old response. O(n^2) (do not use it with large arrays!)
var arrayUnique = function(a) {
return a.reduce(function(p, c) {
if (p.indexOf(c) < 0) p.push(c);
...
The project file has been moved renamed or is not on your computer
I get this error when I try to load a VS 2008 project from TFS source control:
15 Answers
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