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How can I get sin, cos, and tan to use degrees instead of radians?
... radians to degrees
* @param {function} trigFunc - eg. Math.cos, Math.sin, etc.
* @param {number} angle - in degrees
* @returns {number}
*/
const dTrig = (trigFunc, angle) => trigFunc(angle * Math.PI / 180);
or,
function dTrig(trigFunc, angle) {
return trigFunc(angle * Math.PI / 180);
}
wh...
Progress indicator during pandas operations
... a new `tqdm` instance with `pandas`
# (can use tqdm_gui, optional kwargs, etc.)
tqdm.pandas()
# Now you can use `progress_apply` instead of `apply`
df.groupby(0).progress_apply(lambda x: x**2)
In case you're interested in how this works (and how to modify it for your own callbacks), see the examp...
CSS customized scroll bar in div
...ery custom content scroller
Tiny Scrollbar – A lightweight jQuery plugin
etc.
30+ JavaScript/Ajax Techniques for Sliders, Scrollers and Scrollbars (May 07, 2008)
21 Useful Scrollbar CSS/JavaScript Styling Tutorials (August, 2012)
15+ Free and Premium jQuery Scrolling Plugins (August 26, 2012)
T...
What exactly is metaprogramming?
...ones that can manipulate the code they output) such as Ruby, Lisp, Scheme, etc. than in a language like Java.
One implementation is to create a "domain specific language" which is a way of enhancing a programming language to accomplish a specific task. It can be incredibly powerful if done correct...
Ruby: extend self
... will be:
module Rake
include Test::Unit::Assertions
def run_tests # etc.
end
end
Rake.extend(Rake)
This can be used to define self contained modules with private methods.
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Java ArrayList - how can I tell if two lists are equal, order not mattering?
... to use those of Equator for all the basic methods, such as add, contains, etc. NB in fact when you look at the source code, AbstractCollection does not implement add, nor do its abstract subclasses such as AbstractSet... you have to wait till the concrete classes such as HashSet and ArrayList befo...
How can I connect to Android with ADB over TCP? [closed]
... > Wi-Fi > Advanced > IP Address on your device or run adb shell netcfg.
No root required. Only one device can be debugged at a time.
See this XDA post.
The adb command is located in the platform-tools folder of the Android SDK.
...
Python progression path - From apprentice to guru
..., list comprehensions vs. generator expressions, iterators vs. generators, etc.; however all those other suggestions are another post for another time. Hope this helps in the meantime! :-)
ps. I agree with the other responses for getting more intimate with introspection as well as studying other pr...
What is the difference between a regular string and a verbatim string?
...u can use:
Localizable(false)
For things like parameters, file locations, etc., this could be a good solution.
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What does the line “#!/bin/sh” mean in a UNIX shell script?
...mmonly -e (exit on error), or use other programs (/bin/awk, /usr/bin/perl, etc).
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