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Coalesce function for PHP?
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There is a new operator in php 5.3 which does this: ?:
// A
echo 'A' ?: 'B';
// B
echo '' ?: 'B';
// B
echo false ?: 'B';
// B
echo null ?: 'B';
Source: http://www.php.net/ChangeLog-5.php#5.3.0
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How do I split a string into an array of characters? [duplicate]
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edited Jan 26 '17 at 9:15
answered Jun 26 '11 at 14:52
lo...
MySQL: Transactions vs Locking Tables
... end up with either of those two balances in your account, instead of the $50 you should have ended up with ($100 - $20 - $30). In this case, "bank error in your favor".
Now, let's say you use locks. Your bill payment ($20) hits the pipe first, so it wins and locks your account record. Now you've g...
What's the simplest way to print a Java array?
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2675
Since Java 5 you can import java.util.Arrays; and then use Arrays.toString(arr) or Arrays.deepTo...
How to select date from datetime column?
... Priyank BoliaPriyank Bolia
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2
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How to print out more than 20 items (documents) in MongoDB's shell?
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answered Sep 14 '10 at 1:45
ThiloThilo
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How to use a dot “.” to access members of dictionary?
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153
You can do it using this class I just made. With this class you can use the Map object like ano...
Get index of array element faster than O(n)
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answered Jun 5 '11 at 10:41
sawasawa
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GroupBy pandas DataFrame and select most common value
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edited May 1 at 10:05
escha
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answered Mar 5 '13 at 11:48
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Capitalize the first letter of both words in a two word string
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answered Jun 15 '11 at 21:58
AndrieAndrie
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