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Finding the source code for built-in Python functions?
...epository will no longer be updated:
Install Git if necessary.
git clone https://github.com/python/cpython.git
Code will checkout to a subdirectory called cpython -> cd cpython
Let's say we are looking for the definition of print()...
egrep --color=always -R 'print' | less -R
Aha! See Python/b...
How to secure MongoDB with username and password
... to properly understand.
It's really simple. I'll dumb the following down https://docs.mongodb.com/manual/tutorial/enable-authentication/
If you want to learn more about what the roles actually do read more here: https://docs.mongodb.com/manual/reference/built-in-roles/
1) Start MongoDB without a...
What is the benefit of using Fragments in Android, rather than Views?
...alized after answering that I posted to a similar question a year earlier: https://stackoverflow.com/a/11126397/618881
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Adding a parameter to the URL with JavaScript
...
You can use one of these:
https://developer.mozilla.org/en-US/docs/Web/API/URL
https://developer.mozilla.org/en/docs/Web/API/URLSearchParams
Example:
var url = new URL("http://foo.bar/?x=1&y=2");
// If your expected result is "http://foo.bar/?...
How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
...emin take care to do all this jobs for you, only need some configuration:
https://stackoverflow.com/a/33481683/1897196
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Is SQL or even TSQL Turing Complete?
...
https://web.archive.org/web/20110807062050/http://channel9.msdn.com/forums/TechOff/431432-SQL-Turing-Completeness-question
Is a discussion of this topic. A quote:
SQL as such (i.e. the SQL92 standard) is not turing compl...
What is JSONP, and why was it created?
... text += '<p><img src = "' + twitterEntry.user.profile_image_url_https +'"/>' + twitterEntry['text'] + '</p>'
}
document.getElementById('twitterFeed').innerHTML = text;
}
</script>
<script type="text/javascript" src="http://...
What does 'require: false' in Gemfile mean?
... bundler/setup
which is called by bundle exec
Example
Gemfile
source 'https://rubygems.org'
gem 'haml'
gem 'faker', require: false
main.rb
# Fail because we haven't done Bundler.require yet.
# bundle exec does not automatically require anything for us,
# it only puts them in the require path...
Change the name of the :id parameter in Routing resources for Rails
...ic params slot and found this post that does the exact thing.
The post is https://thoughtbot.com/blog/rails-patch-change-the-name-of-the-id-parameter-in
...
Possible heap pollution via varargs parameter
...nstead. See Is @SafeVarargs an appropriate annotation for this method? and https://stackoverflow.com/a/14252221/14731 for a nice explanation of this second kind of error.
References:
http://docs.oracle.com/javase/7/docs/technotes/guides/language/non-reifiable-varargs.html
http://docs.oracle.com/j...