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How to make child process die after parent exits?
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edited Nov 13 '08 at 18:25
answered Nov 12 '08 at 16:12
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How can I create a Set of Sets in Python?
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answered May 9 '11 at 0:18
a3nma3nm
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Check if a string matches a regex in Bash script
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330
You can use the test construct, [[ ]], along with the regular expression match operator, =~, to ...
What's the “big idea” behind compojure routes?
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Compojure explained (to some degree)
NB. I am working with Compojure 0.4.1 (here's the 0.4.1 release commit on GitHub).
Why?
At the very top of compojure/core.clj, there's this helpful summary of Compojure's purpose:
A concise syntax for generating Ring handlers.
On a superficial level...
Is there a C# type for representing an integer Range?
...need to store an integer range. Is there an existing type for that in C# 4.0?
10 Answers
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Running a cron job on Linux every six hours
...got a *, and you've too many fields. It's the hour you need to care about
0 */6 * * * /path/to/mycommand
This means every sixth hour starting from 0, i.e. at hour 0, 6, 12 and 18 which you could write as
0 0,6,12,18 * * * /path/to/mycommand
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Select rows which are not present in other table
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+500
There are basically 4 techniques for this task, all of them standard SQL.
NOT EXISTS
Often fastest in Postgres.
SELECT ip
FROM ...
Angularjs if-then-else construction in expression
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Rafael Almeida
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answered May 16 '13 at 11:16
Andre GoncalvesAndr...
SQLite Reset Primary Key Field
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answered Oct 21 '09 at 16:03
Nick DandoulakisNick Dandoulakis
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Android Studio rendering problems
I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout.
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