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In Python, using argparse, allow only positive integers
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In case someone (like me) comes across this question in a Google search, here is an example of how to use a modular approach to neatly solve the more general problem of allowing argparse integers only in a specified range:
# Custom argparse type representing a bounded int
class Int...
What is a practical use for a closure in JavaScript?
...> times!
</div>
</html>
Reference: https://www.w3schools.com/js/js_function_closures.asp
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Should Gemfile.lock be included in .gitignore?
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The Bundler docs address this question as well:
ORIGINAL: http://gembundler.com/v1.3/rationale.html
EDIT: http://web.archive.org/web/20160309170442/http://bundler.io/v1.3/rationale.html
See the section called "Checking Your Code into Version Control":
After developing your app...
How to check if character is a letter in Javascript?
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I believe this plugin has the capabilities you seek: http://xregexp.com/plugins/ (github link: https://github.com/slevithan/xregexp)
With it you can simply match all unicode letters with \p{L}.
Read the header of this source file to see which categories it supports: http://...
Eclipse will not start and I haven't changed anything
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Ha! Yay self I just googled this and found my own helpful comment!
– Joe
Jul 26 '14 at 10:00
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document.getElementById vs jQuery $()
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google jquery equivalent of document.getelementbyid and the first result is this post. thank you!!!
– ajakblackgoat
Apr 14 '13 at 10:44
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Can you run GUI applications in a Docker container?
...u:12.04
# Make sure the package repository is up to date
RUN echo "deb http://archive.ubuntu.com/ubuntu precise main universe" > /etc/apt/sources.list
RUN apt-get update
# Install vnc, xvfb in order to create a 'fake' display and firefox
RUN apt-get install -y x11vnc xvfb firefox
RUN...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...ilar to:
string(40) "5fe69c95ed70a9869d9f9af7d8400a6673bb9ce9"
More info: http://php.net/manual/en/function.random-bytes.php
PHP 5 (outdated)
I was just looking into how to solve this same problem, but I also want my function to create a token that can be used for password retrieval as well. This m...
Convert to binary and keep leading zeros in Python
...s really helpful to me. I have started learning bit manipulation and I was googling for bit formatting for numbers in Python. Found this. Thank you.
– kratostoical
Dec 17 '17 at 13:23
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How to create a printable Twitter-Bootstrap page
...le Hidden
Bootstrap 3 update:
Print classes are now in documents: http://getbootstrap.com/css/#responsive-utilities-print
Similar to the regular responsive classes,
use these for toggling content for print.
Class Browser Print
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