Serabe

require 'matrix'

def regression x, y, degree
  x_data = x.map {|xi| (0..degree).map{|pow| (xi**pow) }}
  mx = Matrix[*x_data]
  my = Matrix.column_vector y

  ((mx.t * mx).inv * mx.t * my).transpose.to_a[0].reverse
end

quexer

译自 jQuery Plugins / Authoring

创建插件

---

看来 jQuery 你已经用得很爽了，想学习如何自己编写插件。非常好，这篇文档正适合你。用插件和方法来扩展 jQuery 非常强大，把最聪明的功能封装到插件中可以为你及团队节省大量开发时间。

开始

tomas-stefano

Pre-commit hook

This is a pre-commit script that will see the git diff and run the appropriate checks like JSHint and Rubocop

You can add to your .git/hooks of any repo that you like.

Notes

1. Don't forget to add the executable permission to this file and have the following installed:

borisguery

-----BEGIN CERTIFICATE-----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parmentf

Inspired by dannyfritz/commit-message-emoji

See also gitmoji.

Commit type	Emoji
Initial commit	🎉 :tada:
Version tag	🔖 :bookmark:
New feature	✨ :sparkles:
Bugfix	🐛 :bug:

jonsuh

# ----------------------------------
# Colors
# ----------------------------------
NOCOLOR='\033[0m'
RED='\033[0;31m'
GREEN='\033[0;32m'
ORANGE='\033[0;33m'
BLUE='\033[0;34m'
PURPLE='\033[0;35m'
CYAN='\033[0;36m'

badosu

require 'warden/github'

class SidekiqGithubChecker
  def self.registered(app)
    app.helpers do
      def warden; env['warden'] end
      def github_organization_authenticate!(name)
        unless warden.user.organization_member?(name)
          halt [401, {}, ["You don't have access to organization #{name}"]]
        end

onjin

postgres:
  image: postgres:9.4
  volumes:
    - ./init.sql:/docker-entrypoint-initdb.d/init.sql

nielsutrecht

import javax.crypto.Cipher;
import java.io.InputStream;
import java.security.*;
import java.util.Base64;

import static java.nio.charset.StandardCharsets.UTF_8;

public class RsaExample {
    public static KeyPair generateKeyPair() throws Exception {
        KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA");

480

MacOS X + oh my zsh + powerline fonts + visual studio code (vscode) terminal settings

Thank you everybody, Your comments makes it better

Install oh my zsh

http://ohmyz.sh/

sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"