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What is the gain from declaring a method as static
...'ve recently been looking through my warnings in Eclipse and come across this one:
9 Answers
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What is “android:allowBackup”?
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For this lint warning, as for all other lint warnings, note that you can get a fuller explanation than just what is in the one line error message; you don't have to search the web for more info.
If you are using lint via Eclipse, ...
Where is array's length property defined?
We can determine the length of an ArrayList<E> using its public method size() , like
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Explanation of JSONB introduced by PostgreSQL
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First, hstore is a contrib module, which only allows you to store key => value pairs, where keys and values can only be texts (however values can be sql NULLs too).
Both json & jsonb allows you to store a valid JSON value (defined ...
Why is Java's Iterator not an Iterable?
...ts elements - and there's no need to iterate over a single instance, which is what an iterator represents.
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Is using Random and OrderBy a good shuffle algorithm?
...hms over at Coding Horror . I have seen that somewhere people have done this to shuffle a list:
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python generator “send” function purpose?
...ple of why the "send" function associated with Python generator function exists? I fully understand the yield function. However, the send function is confusing to me. The documentation on this method is convoluted:
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How to check if running as root in a bash script
I'm writing a script that requires root level permissions, and I want to make it so that if the script is not run as root, it simply echoes "Please run as root." and exits.
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Wait until file is unlocked in .NET
...s the simplest way of blocking a thread until a file has been unlocked and is accessible for reading and renaming? For example, is there a WaitOnFile() somewhere in the .NET Framework?
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When to prefer JSON over XML?
My requirement is just to display a set of values retrieved from database on a spread. I am using jquery.
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