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How can I group by date time column without taking time into consideration
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AlG
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answered May 19 '11 at 5:26
OdedOded
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Word wrapping in phpstorm
...using Default keymap) can also be used to quickly change this option (instead of going into Settings/Preferences).
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Center image in table td in CSS
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ScottScott
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Add line break within tooltips
How can line breaks be added within a HTML tooltip?
27 Answers
27
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Mutex example / tutorial? [closed]
I'm new to multithreading, and was trying to understand how mutexes work. Did a lot of Googling but it still left some doubts of how it works because I created my own program in which locking didn't work.
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String isNullOrEmpty in Java? [duplicate]
...ut isn't empty.
I generally prefer using apache-commons if possible, instead of writing my own utility methods, although that is also plausible for simple ones like these.
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What characters are allowed in an email address?
...xtent, RFC 5321: Simple Mail Transfer Protocol.
RFC 822 also covers email addresses, but it deals mostly with its structure:
addr-spec = local-part "@" domain ; global address
local-part = word *("." word) ; uninterpreted
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How to insert a new line in Linux shell script? [duplicate]
...ny systems, though it's not POSIX compliant. Notice that you must manually add a \n at the end, as printf doesn't append a newline automatically as echo does.
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Please explain the exec() function and its family
...simple operations, the entire UNIX execution model can be constructed.
To add some more detail to the above:
The use of fork() and exec() exemplifies the spirit of UNIX in that it provides a very simple way to start new processes.
The fork() call makes a near duplicate of the current process, ident...
What is the purpose of the -m switch?
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The first line of the Rationale section of PEP 338 says:
Python 2.4 adds the command line switch -m to allow modules to be located using the Python module namespace for execution as scripts. The motivating examples were standard library modules such as pdb and profile, and the Python 2.4 impl...