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What is the purpose of Order By 1 in SQL select statement?
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Also see:
http://www.techonthenet.com/sql/order_by.php
For a description of order by. I learned something! :)
I've also used this in the past when I wanted to add an indeterminate number of filters to a sql statement. Sloppy I know, but it worked. :P
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How to find the foreach index?
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This should be useful if you want to use a plain old PHP associative array to store data which is to be exposed via the Iterable interface (where you need to keep track of where you are in a loop).
– Peter
Dec 15 '11 at 21:33
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What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
...is set on the executable. The only 2GB restrictions I know are about array/allocation sizes that are limited by Int32 range (about 2GB).
– Alexei Levenkov
Aug 22 '12 at 5:56
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How do you find the sum of all the numbers in an array in Java?
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You can't. Other languages have some methods for this like array_sum() in PHP, but Java doesn't.
Just..
int[] numbers = {1,2,3,4};
int sum = 0;
for( int i : numbers) {
sum += i;
}
System.out.println(sum);
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Tutorials and libraries for OpenGL-ES games on Android [closed]
...ome good OpenGL ES tutorials for Android here too: http://obviam.net/index.php/category/opengl/
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How do you test functions and closures for equality?
...e in Java, but there's it's more obvious). These closures objects are heap allocated, and store the data captured by the closure, which act like implicit parameter's to the closure's function. The closure object holds a reference to a function which operates upon the explicit (via func args) and imp...
Can't pickle when using multiprocessing Pool.map()
...ts method, members may disappear between 2 runs and you may get a message malloc: *** error for object 0x...: pointer being freed was not allocated (e.g. open member file) or pure virtual method called,
terminate called without an active exception (which means than the lifetime of a member object I ...
How to send a PUT/DELETE request in jQuery?
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$.ajax will work.
$.ajax({
url: 'script.php',
type: 'PUT',
success: function(response) {
//...
}
});
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What is the usefulness of `enable_shared_from_this`?
...tle form. When it is constructed, the shared_ptr object sp1 owns the newly allocated resource. The code inside the member function S::dangerous doesn't know about that shared_ptr object, so the shared_ptr object that it returns is distinct from sp1. Copying the new shared_ptr object to sp2 doesn't h...
How can I explode and trim whitespace?
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This is also looping (internally) by PHP
– Jason OOO
Oct 13 '13 at 15:47
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