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When to use symbols instead of strings in Ruby?
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176
TL;DR
A simple rule of thumb is to use symbols every time you need internal identifiers. For ...
URL matrix parameters vs. query parameters
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213
The important difference is that matrix parameters apply to a particular path element while que...
setuptools vs. distutils: why is distutils still a thing?
...e. It should work well with pip. The latest version was released in July 2013.
So, as you can see setuptools should be preferred to distutils, and I see where your question comes from, however I don't see distutils losing support anytime soon, as, simply put, it is used in many cases with some pop...
Using python “with” statement with try-except block
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140
The two code blocks you gave are
not equivalent
The code you described as old way
of doing th...
How to copy from current position to the end of line in vi
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161
The normal-mode command to move to the end of the line is $.
You can copy to the end of the ...
Postgresql: Conditionally unique constraint
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190
PostgreSQL doesn't define a partial (i.e. conditional) UNIQUE constraint - however, you can cr...
overlay opaque div over youtube iframe
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210
Information from the Official Adobe site about this issue
The issue is when you embed a youtub...
Why start a shell command with a backslash?
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answered Mar 28 '13 at 20:59
John KugelmanJohn Kugelman
292k6262 gold badges455455 silver badges506506 bronze badges
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How to hide command output in Bash
...dy listening?" >&-
Usually, output goes either to file descriptor 1 (stdout) or 2 (stderr). If you close a file descriptor, you'll have to do so for every numbered descriptor, as &> (below) is a special BASH syntax incompatible with >&-:
/your/first/command >&- 2>&a...