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Timeout command on Mac OS X?
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You can use
brew install coreutils
And then whenever you need timeout, use
gtimeout
..instead. To explain why here's a snippet from the Homebrew Caveats section:
Caveats
All commands have been installed with the prefix 'g'.
If ...
Concatenate two string literals
...itial element.
So, when you try to do "Hello" + ",world", what you're really trying to do is add two const char*s together, which isn't possible (what would it mean to add two pointers together?) and if it was it wouldn't do what you wanted it to do.
Note that you can concatenate string liter...
django change default runserver port
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You can't run the development server programmatically, so a custom command won't work unless it calls the shell using something like call. If this solution works for you please make sure to mark it as solved.
– Pablo Albornoz
May 13 '1...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...bar', so loop runs once and
done # prints nothing (actually "")
var="foo bar"
for i in "${var}bar"; do # Expands to 'for i in "foo barbar"; do...'
echo $i # so runs the loop once
done
# foo barbar
Note that "${var}bar" in the second example above could also ...
What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
...the data from other domains making this request to yours.
However, if you allowed GET requests then as well as making an AJAX request similar to the above with GET instead of POST, a malicious user could include your JSON in the context of their own site by using a script tag in the HTML. e.g. on w...
TFS checkin error - could not find file
... project, then selected "Undo Pending Changes...", and it disappeared magically! I never expected that "undo pending changes" would remove the entire folder. TFS is unique in this regard.
– Hong
Apr 9 '14 at 4:13
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How to extract epoch from LocalDate and LocalDateTime?
...constant ZoneId instance (of +0 , meaning GMT) ? I ask this because I want all calculations be normalized to it. Also, how do I do the opposite: convert from epoch time to LocalDate/LocalDateTime (also without ZoneId, or with the GMT one) ?
– android developer
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How to use MySQL DECIMAL?
...et in trouble if you use DOUBLE columns for financial data.
DOUBLE is actually just a double precision (64 bit instead of 32 bit) version of FLOAT. Floating point numbers are approximate representations of real numbers and they are not exact. In fact, simple numbers like 0.01 do not have an exact r...
if, elif, else statement issues in Bash
...to if [ "$seconds" -eq 0 ];then ... fi ]. @LeiYang man testis what you actually looking for
– Melicerte
May 15 '19 at 9:33
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How do I detect whether a Python variable is a function?
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If this is for Python 2.x or for Python 3.2+, you can also use callable(). It used to be deprecated, but is now undeprecated, so you can use it again. You can read the discussion here: http://bugs.python.org/issue10518. You can do this with:
callable(obj)
If this is for Python 3.x but ...