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How to run cron job every 2 hours
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0 0-23/2 * * * /home/username/test.sh
or
0 0,2,4,6,8,10,12,14,16,18,20,22 * * * /home/username/test.sh
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How to check if an object is an array?
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edited Nov 20 '14 at 21:16
answered Jan 6 '14 at 18:11
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bash assign default value
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209
Use a colon:
: ${A:=hello}
The colon is a null command that does nothing and ignores its ar...
git rebase: “error: cannot stat 'file': Permission denied”
...Well, I'm still not sure exactly what happened, but as best I can tell, VS 2010 was locking the file (odd because it was a .xml doc file). Process Explorer didn't find anything locking that file, but after I exited VS, I was able to use git checkout to get the file back (in git status it was delete...
What is the status of JSR 305?
...08 (annotations in new places) is included in java 8 under JEP 104.
As of 2017, JSR 305 (new annotations) continues to carry official status of “Dormant”. A question about it's status in the google group has been unanswered since 2010.
There is a reference implementation of the JSR-305 anno...
Why does the arrow (->) operator in C exist?
..._mode).
– icktoofay
Jan 19 '13 at 2:20
5
@perfectionm1ng: It looks like bell-labs.com has been ta...
Best GUI designer for eclipse? [closed]
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Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Sep 28 '10 at 19:12
jumarjumar
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Re-doing a reverted merge in Git
...needed to continue to update it. My approach here: tech.patientslikeme.com/2010/09/29/…
– jdwyah
Sep 29 '10 at 15:07
2
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Java Round up Any Number
... double
– L.Grillo
Jan 29 '16 at 10:20
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Filtering a list based on a list of booleans
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edited Sep 6 '13 at 20:32
answered Sep 6 '13 at 20:13
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