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Collapse sequences of white space into a single character and trim string
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125
OS X 10.7+ and iOS 3.2+
Use the native regexp solution provided by hfossli.
Otherwise
Either...
How can I format a nullable DateTime with ToString()?
How can I convert the nullable DateTime dt2 to a formatted string?
20 Answers
20
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Getting pids from ps -ef |grep keyword
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234
You can use pgrep as long as you include the -f options. That makes pgrep match keywords in th...
Check if a value is within a range of numbers
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221
You're asking a question about numeric comparisons, so regular expressions really have nothing...
Removing multiple files from a Git repo that have already been deleted from disk
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29 Answers
29
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How do you work with an array of jQuery Deferreds?
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edited Feb 22 '13 at 19:58
luke
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a...
Javascript calculate the day of the year (1 - 366)
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22 Answers
22
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Reason for Column is invalid in the select list because it is not contained in either an aggregate f
...pose I have the following table T:
a b
--------
1 abc
1 def
1 ghi
2 jkl
2 mno
2 pqr
And I do the following query:
SELECT a, b
FROM T
GROUP BY a
The output should have two rows, one row where a=1 and a second row where a=2.
But what should the value of b show on each of these two...
Cannot read configuration file due to insufficient permissions
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