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Check free disk space for current partition in bash
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207
Yes:
df -k .
for the current directory.
df -k /some/dir
if you want to check a specific d...
raw vs. html_safe vs. h to unescape html
...so it can only be used on controllers and views.
"SafeBuffers and Rails 3.0" is a nice explanation on how the SafeBuffers (the class that does the html_safe magic) work.
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How to reset a single table in rails?
...ople' ) Person.connection.execute("update sqlite_sequence set seq = 0 where name = 'People'" )
– mamesaye
Jan 6 '14 at 21:17
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Programmatically select text in a contenteditable HTML element?
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answered May 27 '11 at 9:05
Tim DownTim Down
281k6464 gold badges415415 silver badges497497 bronze badges
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Command to get time in milliseconds
...umber of seconds + current nanoseconds.
Therefore, echo $(($(date +%s%N)/1000000)) is what you need.
Example:
$ echo $(($(date +%s%N)/1000000))
1535546718115
date +%s returns the number of seconds since the epoch, if that's useful.
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How can I check if my python object is a number? [duplicate]
...;> import decimal
>>> [isinstance(x, numbers.Number) for x in (0, 0.0, 0j, decimal.Decimal(0))]
[True, True, True, True]
This uses ABCs and will work for all built-in number-like classes, and also for all third-party classes if they are worth their salt (registered as subclasses of the...
Merge, update, and pull Git branches without using checkouts
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1007
The Short Answer
As long as you're doing a fast-forward merge, then you can simply use
git fet...
Run a string as a command within a Bash script
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answered Mar 1 '10 at 10:52
Arne BurmeisterArne Burmeister
17.7k77 gold badges4949 silver badges8585 bronze badges
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Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?
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20 Answers
20
Active
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Java: How to test methods that call System.exit()?
...quals("Exit status", 42, e.status);
}
}
}
Update December 2012:
Will proposes in the comments using System Rules, a collection of JUnit(4.9+) rules for testing code which uses java.lang.System.
This was initially mentioned by Stefan Birkner in his answer in December 2011.
System.ex...