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Shell script to delete directories older than n days
... -type d -ctime +10 -exec rm -rf {} \;
Explanation:
find: the unix command for finding files / directories / links etc.
/path/to/base/dir: the directory to start your search in.
-type d: only find directories
-ctime +10: only consider the ones with modification time older than 10 days
-exec ... ...
How to check status of PostgreSQL server Mac OS X
...e simplest way to to check running processes:
ps auxwww | grep postgres
And look for a command that looks something like this (your version may not be 8.3):
/Library/PostgreSQL/8.3/bin/postgres -D /Library/PostgreSQL/8.3/data
To start the server, execute something like this:
/Library/PostgreS...
Is PHP's count() function O(1) or O(n) for arrays?
...unt the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
3 Answers
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How to stop Eclipse formatter from placing all enums on one line
...jans worked fine for normal enums, but not for enums with arguments. To expand on his answer a bit, here's the settings that provided the most sensible formatting for me in Eclipse Juno:
Window > Preferences > Java > Code Style > Formatter
Click Edit
Select the Line Wrapping tab
Select...
how does array[100] = {0} set the entire array to 0?
...at don't have a specified value, the compiler initializes pointers to NULL and arithmetic types to zero (and recursively applies this to aggregates).
The behavior of this code in C++ is described in section 8.5.1.7 of the C++ specification (online draft of C++ spec): the compiler aggregate-initial...
Unable to type in Visual Studio
...es on the machine. I have restarted Visual Stuido, restarted the computer and still am unable to edit the files. Any ideas?
...
How to put a label on an issue in GitHub if you are not a contributor / owner?
I've submitted an issue for a project on GitHub which is not mine and I'm not a contributor, but I cannot find a way to label my issue. Is there a way for me to label it, or is this only available for contributors?
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How to fix the aspect ratio in ggplot?
... answered Aug 14 '11 at 15:26
AndrieAndrie
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How to search for occurrences of more than one space between words in a line
...
[ ]{2,}
SPACE (2 or more)
You could also check that before and after those spaces words follow. (not other whitespace like tabs or new lines)
\w[ ]{2,}\w
the same, but you can also pick (capture) only the spaces for tasks like replacement
\w([ ]{2,})\w
or see that before and af...
Add a space (“ ”) after an element using :after
...e 'white-space' property does not generate any
anonymous inline boxes.
And from The 'white-space' processing model,
If a space (U+0020) at the end of a line has 'white-space' set to
'normal', 'nowrap', or 'pre-line', it is also removed.
Solution
So if you don't want the space to be remo...