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Retrieve only the queried element in an object array in MongoDB collection
... it will run only inside of the document. It basically scans your document top to the bottom, and checks if it matches with your if condition which is in $cond, if there is match it will either keep the content($$DESCEND) or remove($$PRUNE).
In the example above, first $match returns the whole sha...
:not(:empty) CSS selector is not working?
...rtical-align: middle;
font-size: 20px;
font-weight: bold;
padding-top: 10px;
}
.floating-label-input label {
position: absolute;
top: calc(50% - 5px);
font-size: 22px;
left: 0;
color: #000;
transition: all 0.3s;
}
.floating-label-input input:focus ~ label, .floating-la...
Why use symbols as hash keys in Ruby?
...ch other.
Long answer:
https://web.archive.org/web/20180709094450/http://www.reactive.io/tips/2009/01/11/the-difference-between-ruby-symbols-and-strings
http://www.randomhacks.net.s3-website-us-east-1.amazonaws.com/2007/01/20/13-ways-of-looking-at-a-ruby-symbol/
...
Achieving bright, vivid colors for an iOS 7 translucent UINavigationBar
... yourBar.tintColor = [UIColor whiteColor]; for other custom buttons on the top.
– Juan Zamora
Dec 22 '13 at 4:57
...
setting multiple column using one update
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Difference between namespace in C# and package in Java
...
From: http://www.javacamp.org/javavscsharp/namespace.html
Java
Packages are used to organize files or public types to avoid type conflicts. Package constructs can be mapped to a file system.
system.security.cryptography.AsymmetricAlg...
Terminal Multiplexer for Microsoft Windows - Installers for GNU Screen or tmux [closed]
...
For a nice introduction to Tmux: http://www.sitepoint.com/tmux-a-simple-start/ When they say CTRL + B % just type at the same CTRL + B, then press Shift + 5 (which is the key in my keyboard that has the % symbol).
– Edenshaw
A...
How to delete the contents of a folder?
...s.walk is unnecessary since you only need the files and directories at the top level inside the directory to be cleaned. Just use an if statement on elements in os.listdir to see if each is a file or directory. Then use remove/unlink and rmtree respectively.
– Matthew Alpert
...
How to find which rspec test is taking so long
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Repeat String - Javascript
...otten. To remedy this issue, in August, 2008 I published an article http://www.webreference.com/programming/javascript/jkm3/3.html explaining the algorithm and using it as an example of simple of general-purpose JavaScript optimizations. By now, Web Reference has scrubbed my contact information and ...