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How to tell if a string is not defined in a Bash shell script
...se it echoes nothing) "VAR is set but its value might be empty". Try this script:
(
unset VAR
if [ -z "${VAR+xxx}" ]; then echo JL:1 VAR is not set at all; fi
if [ -z "${VAR}" ]; then echo MP:1 VAR is not set at all; fi
VAR=
if [ -z "${VAR+xxx}" ]; then echo JL:2 VAR is not set at all; fi
if [ ...
Is it possible to push a git stash to a remote repository?
...ranch): WIP on sehe: 7006283 fixed wrong path to binary in debianized init script (reported as part of issue
stash@{3}: On (no branch): WIP on debian-collab: c5c8037 zfs_pool_alert should be installed by default
stash@{4}: On (no branch): WIP on xattrs: 3972694 removed braindead leftover -O0 flag
st...
Where does git config --global get written to?
...have defined a HOME environment variable. The is detailed in the 'profile' script.
In my corporate environment the HOMEDRIVE is H:, which is then mapped to a network URL \\share\$. The whole lot is then mapped to be "My Documents", which isn't where others would expect. There may have been some fur...
Safe characters for friendly url [closed]
... actually tries to map the URL to files before forwarding the request to a script (unfortunately very common).
– André Caron
May 6 '11 at 22:01
4
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How do I determine k when using k-means clustering?
... and keep removing centroids (reducing k) until it no longer reduces the description length. See "MDL principle for robust vector quantisation" by Horst Bischof, Ales Leonardis, and Alexander Selb in Pattern Analysis and Applications vol. 2, p. 59-72, 1999.
Finally, you can start with one cluster,...
How do I improve ASP.NET MVC application performance?
...
request (i.e. Flex charting, jqbargraph, MoreJqueryCharts).
Use CDN's for scripts and media content to improve loading on the client side (i.e. Google CDN)
Minify -Compile- your JavaScript in order to improve your script size
Keep cookie size small, since cookies are sent to the server on every re...
Setting the correct encoding when piping stdout in Python
...
Your code works when run in an script because Python encodes the output to whatever encoding your terminal application is using. If you are piping you must encode it yourself.
A rule of thumb is: Always use Unicode internally. Decode what you receive, and...
How can I delete a newline if it is the last character in a file?
...
perl -pie 'chomp if eof' filename -> Can't open perl script "chomp if eof": No such file or directory; perl -pi -e 'chomp if eof' filename -> works
– aditsu quit because SE is EVIL
May 1 '13 at 1:29
...
Adding data attribute to DOM
...r(function(){
return $(this).data('info') == 1;
}).text('222');
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div>1</div>
share
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Knight's Shortest Path on Chessboard
...
html = '<table>'+html+'</table>';
$body.append(html);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
Note: The jQuery used for only illustration, for code see distance function.
...
