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How do I count unique values inside a list
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In addition, use collections.Counter to refactor your code:
from collections import Counter
words = ['a', 'b', 'c', 'a']
Counter(words).keys() # equals to list(set(words))
Counter(words).values() # counts the elements' frequency
Output:
['a', 'c', 'b']
[2, 1, 1]
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How to add text inside the doughnut chart using Chart.js?
...re of the rest.
The plugin code will start with a base font size of 30px. From there it will check the width of the text and compare it against the radius of the circle and resize it based off the circle/text width ratio.
It has a default minimum font size of 20px. If the text would exceed the bou...
What is the difference between MySQL, MySQLi and PDO? [closed]
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There are (more than) three popular ways to use MySQL from PHP. This outlines some features/differences PHP: Choosing an API:
(DEPRECATED) The mysql functions are procedural and use manual escaping.
MySQLi is a replacement for the mysql functions, with object-oriented and pro...
How to count the number of set bits in a 32-bit integer?
...he expense of a 'cache miss', where the CPU has to fetch some of the table from main memory. (Look up each byte separately to keep the table small.)
If you know that your bytes will be mostly 0's or mostly 1's then there are very efficient algorithms for these scenarios.
I believe a very good gener...
Make a div fill the height of the remaining screen space
...table on each property for an up-to-date compatibility status.
(taken from https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Flexible_boxes)
All major browsers and IE11+ support Flexbox. For IE 10 or older, you can use the FlexieJS shim.
To check current support you can also see here:
h...
Get __name__ of calling function's module in Python
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Inside a function, inspect.stack()[1] will return your caller's stack. From there, you can get more information about the caller's function name, module, etc.
See the docs for details:
http://docs.python.org/library/inspect.html
Also, Doug Hellmann has a nice writeup of the inspect module in ...
Twitter Bootstrap 3.0 how do I “badge badge-important” now
...an element transformation. -- Sidenote: The answer is basically my comment from 22 Sept with a solution to the "not so round edges on labels" problem by adding a line of css.
– Jens A. Koch
Nov 20 '14 at 15:19
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Can an array be top-level JSON-text?
...404: Any JSON value. "A JSON text is a sequence of tokens formed from Unicode code points that conforms to the JSON value
grammar."
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How to determine the content size of a UIWebView?
...= aWebView.scrollView.contentSize.height; // Get the corresponding height from the webView's embedded scrollView.
aWebView.frame = frame; // Set the scrollView contentHeight back to the frame itself.
}
Swift 4.x
func webViewDidFinishLoad(_ aWebView: UIWebView) {
aWebView.scrollVi...
Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
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}
Exit from root:
# exit
Now restart docker:
$ sudo service docker restart
VERIFICATION:
Now check that adding the /etc/docker/daemon.json file allows you to resolve 'google.com' into an IP address:
$ docker run --rm busybox...