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What is the best way to tell if a character is a letter or number in Java without using regexes?
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251
Character.isDigit(string.charAt(index)) (JavaDoc) will return true if it's a digit
Character.isL...
Escape regex special characters in a Python string
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edited Jun 20 at 9:12
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answered Nov 17 '10 at 8:13
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Enable 'xp_cmdshell' SQL Server
... of the xp_cmdshell MSDN docs:
http://msdn.microsoft.com/en-us/library/ms190693.aspx:
-- To allow advanced options to be changed.
EXEC sp_configure 'show advanced options', 1
GO
-- To update the currently configured value for advanced options.
RECONFIGURE
GO
-- To enable the feature.
EXEC sp_conf...
Numpy index slice without losing dimension information
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It's probably easiest to do x[None, 10, :] or equivalently (but more readable) x[np.newaxis, 10, :].
As far as why it's not the default, personally, I find that constantly having arrays with singleton dimensions gets annoying very quickly. I'd guess the nump...
JavaScript exponents
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a**b // will rise a to the power b
Now it is already implemented in Edge14, Chrome52, and also it is available with traceur or babel.
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Regex not operator
Is there an NOT operator in Regexes?
Like in that string : "(2001) (asdf) (dasd1123_asd 21.01.2011 zqge)(dzqge) name (20019)"
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Shell script to delete directories older than n days
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401
This will do it recursively for you:
find /path/to/base/dir/* -type d -ctime +10 -exec rm -rf {...
Javascript add leading zeroes to date
I've created this script to calculate the date for 10 days in advance in the format of dd/mm/yyyy:
24 Answers
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Laravel orderBy on a relationship
...n = Input::get('orderBy', 'defaultColumn');
$comments = User::find(1)->comments()->orderBy($column)->get();
// use $comments in the template
}
}
default User model + simple Controller example; when getting the list of comments, just apply the orderBy() based on Input:...
Determine if an object property is ko.observable
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158
Knockout includes a function called ko.isObservable(). You can call it like ko.isObservable(...