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How do PHP sessions work? (not “how are they used?”)
...ssions files is the content of $_SESSION, serialized (ie, represented as a string -- with a function such as serialize) ; and is un-serialized when the file is loaded by PHP, to populate the $_SESSION array.
Sometimes, the session id is not stored in a cookie, but sent in URLs, too -- but that's q...
What's the recommended approach to resetting migration history using Django South?
...t a longer variant of manage.py convert_to_south my_app, but I prefer that extra control, in such delicate situation as modifying the production database.
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Is “IF” expensive?
...t it doesn't need once the outcome of the branch is known. This saves the extra memory access of a typical architecture in the event that it branches along the unpredicted path.
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Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
... return bar;
}
You have to access the elements like this: foo.a[1]. The extra ".a" might look weird, but this trick adds great functionality to the C language.
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Get city name using geolocation
...
For V3, the {'latlng':latlng} string should be changed to 'location', as in ...geocode({'location':latlng}). This example got me almost there, but the 'latlng' string no longer seems to be valid in newer apis. See: developers.google.com/maps/documentati...
Difference between __getattr__ vs __getattribute__
...you'll have a hard time supporting "self.foo" syntax within your methods.
Extra info: http://www.devx.com/opensource/Article/31482/0/page/4
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How to do a GitHub pull request
...merge has also been simplified.
Instead of confirming the delete with an extra step, we immediately remove the branch when you delete it and provide a convenient link to restore the branch in the event you need it again.
That confirms the best practice of deleting the branch after merging a pull...
How to include a quote in a raw Python string
...
If you want to use double quotes in strings but not single quotes, you can just use single quotes as the delimiter instead:
r'what"ever'
If you need both kinds of quotes in your string, use a triple-quoted string:
r"""what"ev'er"""
If you want to include ...
How to parse JSON data with jQuery / JavaScript?
...ajax function and JSON serialize the data parameter, like that: data: JSON.stringify({ get_param: 'value' }). Then in your php script you would need to json decode to get back the original object.
– Darin Dimitrov
Jan 21 '12 at 9:16
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On delete cascade with doctrine2
...GeneratedValue
*/
protected $id;
/**
* @Column(type="string", length="75", unique="true")
*/
protected $name;
/**
* @OneToMany(targetEntity="Phonenumber", mappedBy="contact")
*/
protected $phonenumbers;
public function __construct($name=nu...