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How to delete a record in Django models?
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551
There are a couple of ways:
To delete it directly:
SomeModel.objects.filter(id=id).delete()
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Convert a RGB Color Value to a Hexadecimal String
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edited Mar 17 '17 at 19:21
Camilo Sampedro
8481212 silver badges2626 bronze badges
answer...
parseInt(null, 24) === 23… wait, what?
..., there are no numerals it can convert, so it returns NaN. At 24, "n", the 14th letter, is added to the numeral system. At 31, "u", the 21st letter, is added and the entire string can be decoded. At 37 on there is no longer any valid numeral set that can be generated and NaN is returned.
js> par...
How to instantiate non static inner class within a static method?
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edited Oct 2 '12 at 12:26
answered Oct 2 '12 at 12:22
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How do I byte-compile everything in my .emacs.d directory?
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213
C-u 0 M-x byte-recompile-directory
will compile all the .el files in the directory and in all ...
Why is \r a newline for Vim?
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157
From vim docs on patterns:
\r matches <CR>
\n matches an end-of-line -
W...
Iterating over each line of ls -l output
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Set IFS to newline, like this:
IFS='
'
for x in `ls -l $1`; do echo $x; done
Put a sub-shell around it if you don't want to set IFS permanently:
(IFS='
'
for x in `ls -l $1`; do echo $x; done)
Or use while | read instead:
ls -l $1 | while read x; do echo $x; done
One more ...
Is there a way of having git show lines added, lines changed and lines removed?
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135
You can use:
git diff --numstat
to get numerical diff information.
As far as separating mo...
JavaScript exponents
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a**b // will rise a to the power b
Now it is already implemented in Edge14, Chrome52, and also it is available with traceur or babel.
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