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How do you downgrade rubygems?
...te --system 1.4.2
More information about downgrading/upgrading rubygems: https://github.com/rubygems/rubygems/blob/master/UPGRADING.md
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Get class name of django model
...l class (you may have noticed the use of those values in the admin site).
https://docs.djangoproject.com/en/3.0/ref/models/options/#verbose-name
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How do I update all my CPAN modules to their latest versions?
...cpanm
I recommend you install cpanminus like the docs describe:
curl -L https://cpanmin.us | perl - App::cpanminus
And then install cpan-outdated along with all other CPAN modules using cpanm:
cpanm App::cpanoutdated
BTW: If you are using perlbrew then you will need to repeat this for every ...
Firefox ignores option selected=“selected”
...
Add autocomplete="off" HTML attribute to every select tag.
(source: https://stackoverflow.com/a/8258154/260080)
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wait() or sleep() function in jquery?
...t I wrote a plugin to address this issue that someone might find useful.
https://github.com/madbook/jquery.wait
lets you do this:
$('#myElement').addClass('load').wait(2000).addClass('done');
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assertEquals vs. assertEqual in python
...ld annoy many people.
assertEquals = assertEqual
Online source : https://github.com/python/cpython/blob/e42b705188271da108de42b55d9344642170aa2b/Lib/lib2to3/fixes/fix_asserts.py
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How to attach file to a github issue?
...er 7, 2012, you can attach images by drag/drop or use a file chooser. See https://github.com/blog/1347-issue-attachments for more details.
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How do I get the full url of the page I am on in C#
...will need to concatenate the following variables
Request.ServerVariables("HTTPS") // to check if it's HTTP or HTTPS
Request.ServerVariables("SERVER_NAME")
Request.ServerVariables("SCRIPT_NAME")
Request.ServerVariables("QUERY_STRING")
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Join strings with a delimiter only if strings are not null or empty
...prevents optimizations in JavaScript engines (V8 for example).
// (See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/arguments)
// So we construct a new array by iterating through the arguments object
var argsLength = arguments.length,
strings = [];
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In c++ what does a tilde “~” before a function name signify?
...object when that object passes out of scope or is explicitly deleted.
See https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_74/rzarg/cplr380.htm
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