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How to get config parameters in Symfony2 Twig Templates
...te a parameterTwig function:
{{ parameter('jira_host') }}
TwigExtension.php:
class TwigExtension extends \Twig_Extension
{
public $container;
public function getFunctions()
{
return [
new \Twig_SimpleFunction('parameter', function($name)
{
...
Use numpy array in shared memory for multiprocessing
... size of the Array. Think of it as a shared block of memory that had to be allocated before child processes are started. You don't need to use all the memory e.g., you could pass count to numpy.frombuffer(). You could try to do it on a lower level using mmap or something like posix_ipc directly to i...
When should we use mutex and when should we use semaphore
...have to carefully track who currently has responsibility for it, much like allocated memory).
So, if you have a number of instances of a resource (say three tape drives), you could use a semaphore with a count of 3. Note that this doesn't tell you which of those tape drives you have, just that you ...
Maximum length of the textual representation of an IPv6 address?
I want to store the data returned by $_SERVER["REMOTE_ADDR"] in PHP into a DB field, pretty simple task, really. The problem is that I can't find any proper information about the maximum length of the textual representation of an IPv6 address, which is what a webserver provides through $_SERVER...
Default argument values in JavaScript functions [duplicate]
in PHP:
6 Answers
6
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How to change default timezone for Active Record in Rails?
... much! I'd been struggling with this as well. I have an inherited legacy PHP app that interacts with the same mysql database and stores all times as local; updating it to use UTC was not an option. What I had previously accomplished nothing: config.time_zone = 'Central Time (US & Canada)' c...
How to simulate a higher resolution screen? [closed]
...an the ones proposed above:
http://www.infobyip.com/testwebsiteresolution.php
It's not as versatile as browsershots.org but it's much faster (a few seconds v. a 45 minute queue).
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View a list of recent documents in Vim
...le names as you open/edit them in Vim.
http://www.vim.org/scripts/script.php?script_id=521
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Making HTTP Requests using Chrome Developer tools
... you can do it writing on chrome developers console:
$.get(
"somepage.php",
{paramOne : 1, paramX : 'abc'},
function(data) {
alert('page content: ' + data);
}
);
Its jquery way of doing it!
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Understanding Canvas and Surface concepts
...seen.
A Bitmap is just an interface to some pixel data. The pixels may be allocated by Bitmap itself when you are directly creating one, or it may be pointing to pixels it doesn't own such as what internally happens to hook a Canvas up to a Surface for drawing. (A Bitmap is created and pointed to ...