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Running a cron every 30 seconds
...p commands in sync.
* * * * * /path/to/executable param1 param2
* * * * * ( sleep 30 ; /path/to/executable param1 param2 )
You'll see I've added comments and formatted to ensure it's easy to keep them synchronised.
Both cron jobs actually run every minute but the latter one will wait h...
MySQL: how to get the difference between two timestamps in seconds
... and the TIME_TO_SEC() functions as follows:
SELECT TIME_TO_SEC(TIMEDIFF('2010-08-20 12:01:00', '2010-08-20 12:00:00')) diff;
+------+
| diff |
+------+
| 60 |
+------+
1 row in set (0.00 sec)
You could also use the UNIX_TIMESTAMP() function as @Amber suggested in an other answer:
SELECT UNIX_...
Android Studio 0.4 Duplicate files copied in APK META-INF/LICENSE.txt
...
exclude 'META-INF/dependencies.txt'
exclude 'META-INF/LGPL2.1'
}
}
EDIT: Almost all OS licence include the obligation to "include a copy of the licence" into your project. So this means, that you have to include a copy of all OS licences you use into you projects. By "excludin...
Rails has_and_belongs_to_many migration
...
260
You need to add a separate join table with only a restaurant_id and user_id (no primary key), ...
Should MySQL have its timezone set to UTC?
...ime from
timestamp columns
Warning! UTC has leap seconds, these look like '2012-06-30 23:59:60' and can
be added randomly, with 6 months prior notice, due to the slowing of
the earths rotation
GMT confuses seconds, which is why UTC was invented.
Warning! different regional timezones might produce t...
How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
I know this will give me the day of the month as a number ( 11 , 21 , 23 ):
19 Answers
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How to stop IntelliJ truncating output when I run a build?
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290
By a popular request Override console cycle buffer size setting was added to the UI 9/14/16:
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Debug.Assert vs Exception Throwing
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answered Sep 23 '09 at 20:39
Eric LippertEric Lippert
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How to delete cookies on an ASP.NET website
...48
VMAtm
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answered Jul 9 '11 at 14:39
KirillKirill
...
Random row from Linq to Sql
...andom().Next(count);
Customer cust = qry.Skip(index).FirstOrDefault(); // 2nd round-trip
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