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Delete empty lines using sed
...not empty, so if that's the case, look at this question Remove empty lines from txtfiles, remove spaces from start and end of line I believe that's what you're trying to achieve.
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unit testing of private functions with mocha and node.js
...e. Basically I get the following error: Cannot find module '../../package' from 'node.js'. Anyone familiar with this?
– b.lit
Nov 28 '17 at 7:45
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What is a rune?
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From the Go lang release notes: http://golang.org/doc/go1#rune
Rune is a Type. It occupies 32bit and is meant to represent a Unicode CodePoint.
As an analogy the english characters set encoded in 'ASCII' has 128 code points....
Are Databases and Functional Programming at odds?
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Coming at this from the perspective of a database person, I find that front end developers try too hard to find ways to make databases fit their model rather than consider the most effective ways to use database which are not object oriente...
The shortest possible output from git log containing author and date
...uthor name
%ad = author date (format respects --date= option)
%s = subject
From kernel.org/pub/software/scm/git/docs/git-log.html (PRETTY FORMATS section) by comment of Vivek.
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Peak-finding algorithm for Python/SciPy
...graphic) prominence? It is "the minimum height necessary to descend to get from the summit to any higher terrain", as it can be seen here:
The idea is:
The higher the prominence, the more "important" the peak is.
Test:
I used a (noisy) frequency-varying sinusoid on purpose because it sho...
R script line numbers at error?
If I am running a long R script from the command line (R --slave script.R), how can I get it to give line numbers at errors?
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Remove stubborn underline from link
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if you're only trying to remove the underline from an element inside an anchor, and not the entire anchor. you need to make the inner element an inline-block like so: .boxhead .otherPage { display: inline-block; color: #FFFFFF; text-decoration: none; }
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What is DOM Event delegation?
...and code that dynamically creates new elements on the fly can be decoupled from the logic of binding their event handlers.
Another benefit to event delegation is that the total memory footprint used by event listeners goes down (since the number of event bindings go down). It may not make much of a...
How to avoid reinstalling packages when building Docker image for Python projects?
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Try to build a Dockerfile which looks something like this:
FROM my/base
WORKDIR /srv
ADD ./requirements.txt /srv/requirements.txt
RUN pip install -r requirements.txt
ADD . /srv
RUN python setup.py install
ENTRYPOINT ["run_server"]
Docker will use cache during pip install as long a...