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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 ... ...
jQuery’s .bind() vs. .on()
...d from future versions at any time. There is no reason to keep using .bind and every reason to prefer .on instead.
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Append column to pandas dataframe
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@BenDundee Join and concat use a lot of the same code under the hood, so the "right" way probably only matters when you consider edge cases. For instance here if both DataFrames had a 'data' column the join would fail, whereas a concat would...
How do I strip non alphanumeric characters from a string and keep spaces?
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Just to precise, this remove all accented letters and may not be adapted to some languages.
– Uelb
Nov 25 '15 at 16:25
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
I understand that in Swift all variables must be set with a value, and that by using optionals we can set a variable to be set to nil initially.
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What is the benefit of using Fragments in Android, rather than Views?
When developing for Android , you can set your target (or minimum) sdk to 4 (API 1.6) and add the android compatibility package (v4) to add support for Fragments . Yesterday I did this and successfully implemented Fragments to visualize data from a custom class.
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Add and remove multiple classes in jQuery
I'm trying to add and remove multiple classes on a text field by clicking different radio buttons. I'm not able to remove the unwanted classes while switching between different radio buttons.
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Boolean literals in PowerShell
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$true and $false.
Those are constants, though. There are no language-level literals for booleans.
Depending on where you need them, you can also use anything that coerces to a boolean value, if the type has to be boolean, e.g. in...
warning: refname 'HEAD' is ambiguous
I am new to Git and I seem to have one branch too many if I execute the following command:
5 Answers
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How to compare two tags with git?
I would like to do a diff between two tags and committed changes between those two tags. Could you please tell me the command?
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