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break out of if and foreach
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A safer way to approach breaking a foreach or while loop in PHP is to nest an incrementing counter variable and if conditional inside of the original loop. This gives you tighter control than break; which can cause havoc elsewhere on a complicated page.
Example:
// Setup a counter
$...
The $.param( ) inverse function in JavaScript / jQuery
...field[0] = Array [ "a", "b", "c" ]. This is the behaviour as expected from PHP. @JackyLi's solution does take care of that.
– cars10m
Aug 5 '16 at 13:38
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Remove duplicate rows in MySQL
...ORE keyword. Like so:
ALTER IGNORE TABLE jobs
ADD UNIQUE INDEX idx_name (site_id, title, company);
This will drop all the duplicate rows. As an added benefit, future INSERTs that are duplicates will error out. As always, you may want to take a backup before running something like this...
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Can you give a Django app a verbose name for use throughout the admin?
...es up. You will also need to copy the index view from django.contrib.admin.sites into your own ProjectAdminSite view and include it in your own custom admin instance:
class ProjectAdminSite(AdminSite):
def index(self, request, extra_context=None):
copied stuff here...
admin.site = Proj...
How do I get a YouTube video thumbnail from the YouTube API?
If I have a YouTube video URL, is there any way to use PHP and cURL to get the associated thumbnail from the YouTube API?
3...
How would you access Object properties from within an object method? [closed]
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What if you add some sort of boolean to the getter like: PHP: public function getName($outsideCall = true){ if($outsideCall){ $this->incrementNameCalled(); } return $this->name; } and then from within the Object itself, if you called get name, you could keep ...
Find where python is installed (if it isn't default dir)
...on26'
>>>
>>> print '\n'.join(sys.path)
c:\Python26\lib\site-packages\setuptools-0.6c11-py2.6.egg
c:\Python26\lib\site-packages\nose-1.0.0-py2.6.egg
C:\Windows\system32\python26.zip
c:\Python26\DLLs
c:\Python26\lib
c:\Python26\lib\plat-win
c:\Python26\lib\lib-tk
c:\Python26
c:\Pyt...
Checking if an instance's class implements an interface?
... "Yes!";
}
class_implements() is part of the SPL extension.
See: http://php.net/manual/en/function.class-implements.php
Performance Tests
Some simple performance tests show the costs of each approach:
Given an instance of an object
Object construction outside the loop (100,000 iterations)
_...
How to communicate between iframe and the parent site?
The website in the iframe isn't located in the same domain , but both are mine, and I would like to communicate between the iframe and the parent site. Is it possible?
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Why is Go so slow (compared to Java)?
...M. Go may be slower than C in many operations, however noone is writing websites in C. Go is a perfectly viable option already, and should only get better, as new libraries, frameworks and tools pop up.
– if __name__ is None
May 30 '13 at 23:37
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