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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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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...
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 ...
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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Store images in a MongoDB database
...o store small size of files.
Refer to your scripting language driver. For PHP, click here.
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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
2
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Keyboard shortcut to comment lines in Sublime Text 3
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It seems a bug: http://www.sublimetext.com/forum/viewtopic.php?f=3&t=11157&start=0
As a workaround, go to Preferences->Key Bindings - User and add these keybindings (if you're using Linux):
{ "keys": ["ctrl+7"], "command": "toggle_comment", "args": { "block": false } },
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Why would I use Scala/Lift over Java/Spring? [closed]
...t that @harryh isn't a super-genius) and his main focus was re-writing the PHP version of FourSquare while coping with weekly traffic doubling.
The last part of Lift's security focus is SiteMap. It's a unified access control, site navigation, and menu system. The developer defines the access cont...
How to access class constants in Twig?
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@DamianPolac do you know PHPStorm will prompt variable selection in twig file?
– Codium
Jun 21 at 8:38
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How to sort in-place using the merge sort algorithm?
...ations. According to my test, it's faster than the standard version, which allocates extra spaces in every recursion. But it's slower than the optimized version, which doubles the original array in advance and uses it for further merging.
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