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PHP function to build query string from array
I'm looking for the name of the PHP function to build a query string from an array of key value pairs. Please note, I am looking for the built in PHP function to do this, not a homebrew one (that's all a google search seems to return). There is one, I just can't remember its name or find it on php...
How is a CRC32 checksum calculated?
...-student or engineer I challenge to break this down. Everyone will benefit from this analysis.
So to work out a full example:
Original message : 1101011011
Polynomial of (W)idth 4 : 10011
Message after appending W zeros : 11010110110000
Now we divide the augm...
Is JavaScript an untyped language?
...So JavaScript obviously doesn't fit this category.
The other definition is from Programming Language Theory (the academic thing that Brendan is referring to). In this domain, untyped just means everything belongs to a single type.
Why? Because a language will only generate a program when it can prov...
How do I execute any command editing its file (argument) “in place” using bash?
...gt;temp.txt"); print OUT;'
Here, the perl part reads the complete output from uniq in variable $_ and then overwrites the original file with this data. You could do the same in the scripting language of your choice, perhaps even in Bash. But note that it will need enough memory to store the entire...
Why does @foo.setter in Python not work for me?
...ly you need to use new-style classes instead (in python 2 you must inherit from object). Just declare your class as MyClass(object):
class testDec(object):
@property
def x(self):
print 'called getter'
return self._x
@x.setter
def x(self, value):
print 'ca...
How to export all collections in MongoDB?
...atabase_name> -o <directory_backup>
And to "restore/import" it (from directory_backup/dump/):
mongorestore -d <database_name> <directory_backup>
This way, you don't need to deal with all collections individually. Just specify the database.
Note that I would recommend again...
How do HttpOnly cookies work with AJAX requests?
...eful as other posters have mentioned. Marking a cookie HTTPOnly to hide it from scripts only partially works, because not all browsers support it, but also because there are common workarounds.
It's odd that the XMLHTTPresponse headers are giving the cookie, technically the server doesn't have to r...
Android - how do I investigate an ANR?
...include using sockets, locks, thread sleeps, and other blocking operations from within the event thread. You should make sure these all happen in separate threads. If nothing seems the problem, use DDMS and enable the thread view. This shows all the threads in your application similar to the trace y...
How to include() all PHP files from a directory?
...
Here is the way I include lots of classes from several folders in PHP 5. This will only work if you have classes though.
/*Directories that contain classes*/
$classesDir = array (
ROOT_DIR.'classes/',
ROOT_DIR.'firephp/',
ROOT_DIR.'includes/'
);
function...
Notification click: activity already open
... I see that if you use this approach on the activity being launched from the home screen, then every time you launch the application will start with the root activity, destroying any activities that were previously displayed on top. This certainly is not an expected behavior for a user puttin...