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How do I get the full path of the current file's directory?
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1763
Python 3
For the directory of the script being run:
import pathlib
pathlib.Path(__file__).pare...
How to change line width in IntelliJ (from 120 character)
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331
IntelliJ IDEA 2018
File > Settings... > Editor > Code Style > Hard wrap at
Int...
Which mime type should I use for mp3
I'm trying to decide which mime type to choose for returning mp3 data (served up by php)
5 Answers
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How to get a specific “commit” of a gem from github?
...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'
Source: How to install gems from git repositories
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Jackson: how to prevent field serialization
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edited May 13 '18 at 10:32
narendra-choudhary
3,57433 gold badges2727 silver badges4646 bronze badges
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What is the best way to compute trending topics or tags?
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Sample Output
>>> zscore(12, [2, 4, 4, 4, 5, 5, 7, 9])
3.5
>>> zscore(20, [21, 22, 19, 18, 17, 22, 20, 20])
0.0739221270955
>>> zscore(20, [21, 22, 19, 18, 17, 22, 20, 20, 1, 2, 3, 1, 2, 1, 0, 1])
1.00303599234
>>> zscore(2, [21, 22, 19, 18, 17, 22, 20,...
JavaScript OOP in NodeJS: how?
...n other file:
var Animal = require("./animal.js");
var john = new Animal(3);
If you want a "sub class" then inside mouse.js:
var _super = require("./animal.js").prototype,
method = Mouse.prototype = Object.create( _super );
method.constructor = Mouse;
function Mouse() {
_super.constru...
How to initialize an array's length in JavaScript?
Most of the tutorials that I've read on arrays in JavaScript (including w3schools and devguru ) suggest that you can initialize an array with a certain length by passing an integer to the Array constructor using the var test = new Array(4); syntax.
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How to smooth a curve in the right way?
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y = np.sin(x) + np.random.random(100) * 0.2
yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3
plt.plot(x,y)
plt.plot(x,yhat, color='red')
plt.show()
UPDATE: It has come to my attention that the cookbook example I linked to has been taken down. Fortunately, the Savitzky-Gola...
Find index of last occurrence of a substring in a string
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Use .rfind():
>>> s = 'hello'
>>> s.rfind('l')
3
Also don't use str as variable name or you'll shadow the built-in str().
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