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Create a CSS rule / class with jQuery at runtime
...
Here is a jquery plugin that allows you to inject CSS:
https://github.com/kajic/jquery-injectCSS
Example:
$.injectCSS({
"#my-window": {
"position": "fixed",
"z-index": 102,
"display": "none",
"top": "50%",
"left": "50%"
}
});
...
How to uninstall npm modules in node js?
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The command is simply npm uninstall <name>
The Node.js documents https://npmjs.org/doc/ have all the commands that you need to know with npm.
A local install will be in the node_modules/ directory of your application. This won't affect the application if a module remains there with no ref...
How to extract a floating number from a string [duplicate]
... the following answer of mine that I did for a previous similar question:
https://stackoverflow.com/q/5929469/551449
In this answer, I proposed a pattern that allows a regex to catch any kind of number and since I have nothing else to add to it, I think it is fairly complete
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How to copy a file to multiple directories using the gnu cp command
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I would use cat and tee based on the answers I saw at https://superuser.com/questions/32630/parallel-file-copy-from-single-source-to-multiple-targets instead of cp.
For example:
cat inputfile | tee outfile1 outfile2 > /dev/null
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Set up a scheduled job?
...hat Brian's solution above alludes too. We would love any / all feedback!
https://github.com/tivix/django-cron
It comes with one management command:
./manage.py runcrons
That does the job. Each cron is modeled as a class (so its all OO) and each cron runs at a different frequency and we make su...
jquery if div id has children
...kground: #9f9;
}
.failure {
background: #f99;
}
<script src="https://code.jquery.com/jquery-1.12.2.min.js"></script>
<div id="test">
<span>Children</span>
</div>
<div id="test2">
No children
</div>
The vanilla JS way
If...
Maven: Non-resolvable parent POM
...t;
<name>internal repository</name>
<url>https://my/private/repo</url>
<layout>default</layout>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<ena...
Underlining text in UIButton
...or
Right click, choose Font and then Underline
Video someone else made
https://www.youtube.com/watch?v=5-ZnV3jQd9I
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Specifying column name in a “references” migration
...u can specify the name of the other table in the foreign key options. (see https://github.com/rails/rails/issues/21563 for discussion)
add_reference :posts, :author, foreign_key: {to_table: :users}
Prior to Rails 5, you should add the foreign key as a separate step:
add_foreign_key :posts, :user...
How do I get the key at a specific index from a Dictionary in Swift?
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From https://developer.apple.com/library/prerelease/ios/documentation/swift/conceptual/swift_programming_language/CollectionTypes.html:
If you need to use a dictionary’s keys or values with an API that takes an Array instance, ...