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How to calculate moving average without keeping the count and data-total?
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93
You can simply do:
double approxRollingAverage (double avg, double new_sample) {
avg -= av...
Using CSS how to change only the 2nd column of a table
...raver
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Install Gem from Github Branch?
...m 'rails', :git => "git://github.com/rails/rails.git", :branch => "2-3-stable"
gem 'rails', :git => "git://github.com/rails/rails.git", :tag => "v2.3.5"
Then you run bundle install or the short form is just bundle.
Read more about it here: http://bundler.io/man/gemfile.5.html#GIT
Upd...
How to get all of the immediate subdirectories in Python
...l sorting (1, 2, 10), please have a look at https://stackoverflow.com/a/48030307/2441026
Results:
scandir is: 3x faster than walk, 32x faster than listdir (with filter), 35x faster than Pathlib and 36x faster than listdir and 37x (!) faster than glob.
Scandir: 0.977
Walk: ...
Select text on input focus
...pdate1: Removed jQuery dependency.
Update2: Restrict as attribute.
Update3: Works in mobile Safari. Allows selecting part of the text (requires IE>8).
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How to create a shared library with cmake?
...cify the minimum required version of cmake
cmake_minimum_required(VERSION 3.9)
You should declare a project. cmake says it is mandatory and it will define convenient variables PROJECT_NAME, PROJECT_VERSION and PROJECT_DESCRIPTION (this latter variable necessitate cmake 3.9):
project(mylib VERSIO...
python max function using 'key' and lambda expression
...xample 2: Applying max to a list of tuples.
>>> lis = [(1,'a'), (3,'c'), (4,'e'), (-1,'z')]
By default max will compare the items by the first index. If the first index is the same then it'll compare the second index. As in my example, all items have a unique first index, so you'd get th...
Batch equivalent of Bash backticks
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53
You can do it by redirecting the output to a file first. For example:
echo zz > bla.txt
set...
Combine --user with --prefix error with setup.py install
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gotgenesgotgenes
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