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What are the differences in die() and exit() in PHP?

...ere's no difference - they are the same. PHP Manual for exit: Note: This language construct is equivalent to die(). PHP Manual for die: This language construct is equivalent to exit(). share | ...
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Why can I use a function before it's defined in JavaScript?

This code always works, even in different browsers: 7 Answers 7 ...
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Objective-C: difference between id and void *

What is the difference between id and void * ? 7 Answers 7 ...
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Hidden Features of MySQL

...me with MySQL. And my reading on MySQL tuning makes me conclude that MySQL is behind Oracle in terms of optimizing queries. While the simple queries required for most B2C applications may work well for MySQL, most of the aggregate reporting type of queries needed for Intelligence Reporting seems t...
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What is the “right” way to iterate through an array in Ruby?

PHP, for all its warts, is pretty good on this count. There's no difference between an array and a hash (maybe I'm naive, but this seems obviously right to me), and to iterate through either you just do ...
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deciding among subprocess, multiprocessing, and thread in Python?

...of multiple processors on the machine that it runs on. My parallelization is very simple, in that all the parallel "threads" of the program are independent and write their output to separate files. I don't need the threads to exchange information but it is imperative that I know when the threads f...
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What is the “Execute Around” idiom?

What is this "Execute Around" idiom (or similar) I've been hearing about? Why might I use it, and why might I not want to use it? ...
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How to check if an activity is the last one in the activity stack for an application?

...ks and their stack using ActivityManager. So, to determine if an activity is the last one: request android.permission.GET_TASKS permissions in the manifest. Use the following code: ActivityManager mngr = (ActivityManager) getSystemService( ACTIVITY_SERVICE ); List<ActivityManager.RunningTask...
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sqlalchemy IS NOT NULL select

... column_obj != None will produce a IS NOT NULL constraint: In a column context, produces the clause a != b. If the target is None, produces a IS NOT NULL. or use isnot() (new in 0.7.9): Implement the IS NOT operator. Normally, IS NOT is generate...
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What is Activity.finish() method doing exactly?

... When calling finish() on an activity, the method onDestroy() is executed. This method can do things like: Dismiss any dialogs the activity was managing. Close any cursors the activity was managing. Close any open search dialog Also, onD...