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How to pass command line argument to gnuplot?
I want to use gnuplot to draw figure from data file, say foo.data . Currently, I hardcoded the data file name in the command file, say foo.plt , and run command gnuplot foo.plg to plot data. However, I want to pass the data file name as a command argument, e.g. running command gnuplot foo.plg f...
Get keys from HashMap in Java
...ke BidiMap (a map that allows bidirectional lookup between key and values) from Apache's Commons Collections - also be aware that several different keys could be mapped to the same value.
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Batch files: How to read a file?
How you can read a file (text or binary) from a batch file? There is a way to read it in a binary mode or text mode?
7 Answ...
How did I get a value larger than 8 bits in size from an 8-bit integer?
...rsion specifier %i in printf has no idea that the argument originally came from int8_t calculations; it is just working with an int argument.
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npm install from Git in a specific version
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A dependency has to be available from the registry to be installed just by specifying a version descriptor.
You can certainly create and use your own registry instead of registry.npmjs.org if your projects shouldn't be shared publicly.
But, if it's not in ...
Access-Control-Allow-Origin Multiple Origin Domains?
...the recommended way to do it is to have your server read the Origin header from the client, compare that to the list of domains you would like to allow, and if it matches, echo the value of the Origin header back to the client as the Access-Control-Allow-Origin header in the response.
With .htacces...
how to delete all cookies of my website in php
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PHP setcookie()
Taken from that page, this will unset all of the cookies for your domain:
// unset cookies
if (isset($_SERVER['HTTP_COOKIE'])) {
$cookies = explode(';', $_SERVER['HTTP_COOKIE']);
foreach($cookies as $cookie) {
$par...
How to do a GitHub pull request
...ranch: isolate your modifications in a branch. Don't create a pull request from master, where you could be tempted to accumulate and mix several modifications at once.
rebase that branch: even if you already did a pull request from that branch, rebasing it on top of origin/master (making sure your p...
Why are mutable structs “evil”?
...e around.
If your struct is immutable then all automatic copies resulting from being passed by value will be the same.
If you want to change it you have to consciously do it by creating a new instance of the struct with the modified data. (not a copy)
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How to pipe list of files returned by find command to cat to view all the files
...ys the contents of all those files) and basically need to grep something from these files.
15 Answers
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