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What does “export” do in shell programming? [duplicate]
... Yes - because they are copied for use by the subshell. And thus any modification in the subshell will have no effect as the copy is dropped on return-from-subshell: Subshells, environment variables, and scope. The same happens for environment variables: the are copied - but for any kind of subproce...
XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
...rive:\Folder\Folder\etc to get to the folder where your .Html file is (or php, etc)
Check the path. type: path at the command prompt. You must see the path to the folder where python is located. For example, if python is in C:\Python27, then you must see that address in the paths that are listed...
Which MySQL data type to use for storing boolean values
...
Going for char, in PHP at least, will lead to more code as !$boolean will never evaluate properly without further processing.
– Mild Fuzz
Jun 1 '11 at 20:58
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Optimum way to compare strings in JavaScript? [duplicate]
...era, IE, Firefox, Chrome and Safari all return 1 for 'dog'.localeCompare('cat'), which is to be expected, and -1 when you reverse the caller and the argument. BUt capital letters behave oddly- 'dog'.localeCompare('Dog') Of the browsers I tested, only Safar 4 returned 1. It returns -1 in IE8 a...
Symfony 2 EntityManager injection in service
... tuning would look like this:
1. Use in your services or Controller
<?php
namespace Test\CommonBundle\Services;
use Doctrine\ORM\EntityManagerInterface;
class UserService
{
private $userRepository;
// use custom repository over direct use of EntityManager
// see step 2
publi...
Apache Prefork vs Worker MPM
...he earlier, threadsafe model. Worker is multi-threaded, and event supports php-mpm which is supposed to be a better system for handling threads and requests.
However, your results may vary, based on configuration. I've seen a lot of instability in php-mpm and not any speed improvements. An aggress...
Convert decimal to hexadecimal in UNIX shell script
...ant to filter a whole file of integers, one per line:
( echo "obase=16" ; cat file_of_integers ) | bc
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What is the difference between a strongly typed language and a statically typed language?
...but it will never refer to an Integer or a List. That's static typing.
In PHP:
$s = "abcd"; // $s is a string
$s = 123; // $s is now an integer
$s = array(1, 2, 3); // $s is now an array
$s = new DOMDocument; // $s is an instance of the DOMDocument class
That's dynamic typi...
Replacing instances of a character in a string
...his is the easiest method I've found so far.
– Flare Cat
Dec 23 '15 at 11:40
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...
Stop setInterval
...iv,3000);
});
function updateDiv(){
$.ajax({
url: 'getContent.php',
success: function(data){
$('.square').html(data);
},
error: function(){
clearInterval(interval); // stop the interval
$.playSound('oneday.wav');
$(...