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How to write a Ruby switch statement (case…when) with regex and backreferences?
...se named capture groups in your regexes) and nicely separates your regexes from your search logic (which may or may not yield clearer code), you could even load your regexes from a config file or choose which set of them you wanted at run time.
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How to hide command output in Bash
...ur/second/command
} &> /dev/null
Explanation
To eliminate output from commands, you have two options:
Close the output descriptor file, which keeps it from accepting any more input. That looks like this:
your_command "Is anybody listening?" >&-
Usually, output goes either to fi...
Batch equivalent of Bash backticks
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You usually have to do this when executing shell-builtins from external programs that don't automatically spawn a shell. I.e. C's system() was fine, iirc, since it starts a shell in any case but .NET's Process.Start needs to explicitly invoke the shell. Something like that, iirc. In...
Do python projects need a MANIFEST.in, and what should be in it?
...l base for setuptools as setuptools shall take care of hiding these things from you.
EDIT: Last few projects I use pbr for building distribution packages with three line setup.py and rest being in setup.cfg and requirements.txt. No need to care about MANIFEST.in and other strange stuff. Even though...
Render a variable as HTML in EJS
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I had the same issue with rendering the textarea input from from a wysiwyg editor saved as html in my database. The browser will not render it but displayed the html as text. After hours of searching, I found out
<%= data %> escaped data while
<%- data %>left data ...
Border around tr element doesn't show?
... individual cells, the other is suitable for borders that are
continuous from one end of the table to the other.
... and later, for collapse setting:
In the collapsing border model, it is possible to specify borders that
surround all or part of a cell, row, row group, column, and column
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Detect URLs in text with JavaScript
...kifiers I use (Gmail, etherpad, phabricator) separate trailing punctuation from the URL.
– skierpage
Jul 30 '15 at 19:01
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log4j logging hierarchy order
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Use the force, read the source (excerpt from the Priority and Level class compiled, TRACE level was introduced in version 1.2.12):
public final static int OFF_INT = Integer.MAX_VALUE;
public final static int FATAL_INT = 50000;
public final static int ERROR_INT = 4...
What's is the difference between include and extend in use case diagram?
... to answer here in stack overflow :).
These are the technical definitions from UML 2.5 pages 671-672.
I highlighted what I think are important points.
Extends
An Extend is a relationship from an extending UseCase (the extension) to an extended UseCase (the extendedCase) that specifies
how and wh...
How do I get the opposite (negation) of a Boolean in Python?
...__invert__ like that could be confusing because it's behavior is different from "normal" Python behavior. If you ever do that clearly document it and make sure that it has a pretty good (and common) use-case.
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