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How would I get a cron job to run every 30 minutes?
I'm looking to add a crontab entry to execute a script every 30 minutes, on the hour and 30 minutes past the hour or something close. I have the following, but it doesn't seem to run on 0.
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CSS Selector that applies to elements with two classes
...attribute being set to two specific classes. For example, let's say I have 3 divs:
1 Answer
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To find whether a column exists in data frame or not
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answered Apr 23 '12 at 7:03
user554546user554546
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c# datatable insert column at position 0
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3 Answers
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Active
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How to move columns in a MySQL table?
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351
If empName is a VARCHAR(50) column:
ALTER TABLE Employees MODIFY COLUMN empName VARCHAR(50) A...
Deprecated warning for Rails 4 has_many with order
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edited May 3 '14 at 12:59
answered Aug 17 '13 at 2:50
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Django: Set foreign key using integer?
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answered May 17 '10 at 3:44
Will HardyWill Hardy
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How do I write data into CSV format as string (not file)?
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edited Jan 13 '17 at 21:13
TH22
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answe...
How to find a min/max with Ruby
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734
You can do
[5, 10].min
or
[4, 7].max
They come from the Enumerable module, so anything ...