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What is the use of the @ symbol in PHP?
... messages that might be generated by that expression will be ignored.
If you have set a custom error handler function with set_error_handler() then it will still get called, but this custom error handler can (and should) call error_reporting() which will return 0 when the call that triggered th...
MySQL select where column is not empty
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To check if field is NULL use IS NULL, IS NOT NULL operators.
MySql reference http://dev.mysql.com/doc/refman/5.0/en/working-with-null.html
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What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
...ind more information on their use? I've read that they are similar to an 'if' 'else' statement.
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Initialization of an ArrayList in one line
...ust seems like a little bit overkill to me.
What would have been nice was if the Collection Literals proposal for Project Coin was accepted (it was slated to be introduced in Java 7, but it's not likely to be part of Java 8 either.):
List<String> list = ["A", "B", "C"];
Unfortunately it wo...
Calling a parent window function from an iframe
I want to call a parent window JavaScript function from an iframe.
10 Answers
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Java volatile reference vs. AtomicReference
Is there any difference between a volatile Object reference and AtomicReference in case I would just use get() and set() -methods from AtomicReference ?
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Can two Java methods have same name with different return types? [duplicate]
Can two Java methods have the same name with different return type ? The return type of the methods are different and they are declared with the same method's name.
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Calculating a directory's size using Python?
...or calculating the size of a directory using Python? It would be very nice if the routine would format the size nicely in Mb/Gb etc.
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Design by contract using assertions or exceptions? [closed]
...ion should be used when the internal data has been corrupted past fixing - if an assertion triggers, you can make no assumptions about the state of the program because it means something is /wrong/. If an assertion has gone off, you can't assume any data is valid. That's why a release build should a...
Bash: If/Else statement in one line
I am trying to check if a process (assume it is called some_process ) is running on a server. If it is, then echo 1, otherwise echo 0.
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