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When saving, how can you check if a field has changed?
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435
Essentially, you want to override the __init__ method of models.Model so that you keep a copy ...
How do I 'svn add' all unversioned files to SVN?
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347
svn add --force * --auto-props --parents --depth infinity -q
Great tip! One remark: my Eclipse...
CSS force image resize and keep aspect ratio
...px;
width: auto;
height: auto;
}
<p>This image is originally 400x400 pixels, but should get resized by the CSS:</p>
<img width="400" height="400" src="http://i.stack.imgur.com/aEEkn.png">
This will make image shrink if it's too big for specified area (as downside, i...
Inserting code in this LaTeX document with indentation
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645
Use listings package.
Simple configuration for LaTeX header (before \begin{document}):
\usepa...
JavaScript - Getting HTML form values
...nswered Aug 23 '10 at 11:28
user406632user406632
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Why should eval be avoided in Bash, and what should I use instead?
...:
# 1 -> "$1\n"
# 2 -> "$2"
# 3 -> "$3"
# 4 -> "$4"
# etc.
printf "$1\n" "${@:2}"
}
function error
{
# Send the first element as one argument, and the rest of the elements as a combined argument.
# Arguments to println:
# 1 -> '\e[31mE...
Docker can't connect to docker daemon
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40 Answers
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How to keep environment variables when using sudo
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491
First you need to export HTTP_PROXY. Second, you need to read man sudo carefully, and pay atte...
Cartesian product of multiple arrays in JavaScript
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rsprsp
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How to get a float result by dividing two integer values using T-SQL?
...chardRichard
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