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Set environment variables from file of key/value pairs
TL;DR: How do I export a set of key/value pairs from a text file into the shell environment?
33 Answers
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lexers vs parsers
Are lexers and parsers really that different in theory?
5 Answers
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Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]
I am setting up my first Node.js server on a cloud Linux node and I am fairly new to the details of Linux admin . (BTW I am not trying to use Apache at the same time.)
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What do commas and spaces in multiple classes mean in CSS?
...r_12's and all .grid_8's within .container_16's 460 pixels wide." So both of the following will render the same:
<div class="container_12">
<div class="grid_6">460px Wide</div>
</div>
<div class="container_16">
<div class="grid_8">460px Wide</div>
</...
How to use the PI constant in C++
I want to use the PI constant and trigonometric functions in some C++ program. I get the trigonometric functions with include <math.h> . However, there doesn't seem to be a definition for PI in this header file.
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Run cron job only if it isn't already running
So I'm trying to set up a cron job as a sort of watchdog for a daemon that I've created. If the daemon errors out and fails, I want the cron job to periodically restart it... I'm not sure how possible this is, but I read through a couple of cron tutorials and couldn't find anything that would do wha...
Bytecode features not available in the Java language
...re currently (Java 6) things you can do in Java bytecode that you can't do from within the Java language?
9 Answers
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python-pandas and databases like mysql
The documentation for Pandas has numerous examples of best practices for working with data stored in various formats.
13 An...
How to list the size of each file and directory and sort by descending size in Bash?
I found that there is no easy to get way the size of a directory in Bash?
11 Answers
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Shell - Write variable contents to a file
I would like to copy the contents of a variable (here called var ) into a file.
6 Answers
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