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jinyangustc / entropy_gain.py
Created December 7, 2018 21:32 — forked from iamaziz/entropy_gain.py
Calculate Entropy and Information Gain for Decision Tree Learning
# -*- coding: utf-8 -*-
# calculating the Entropy and Information Gain for: Learning with Trees
# by: Aziz Alto
# see Information Gain:
# http://www.autonlab.org/tutorials/infogain.html
from __future__ import division
@jinyangustc
jinyangustc / vimrc
Created August 28, 2018 18:42 — forked from r00k/vimrc
A minimal vimrc for beginners
" A minimal vimrc for new vim users to start with.
"
" Referenced here: http://www.benorenstein.com/blog/your-first-vimrc-should-be-nearly-empty/
" Original Author: Bram Moolenaar <Bram@vim.org>
" Made more minimal by: Ben Orenstein
" Last change: 2012 Jan 20
"
" To use it, copy it to
" for Unix and OS/2: ~/.vimrc

gif-from-tweet

There are so many great GIFs out there and I want to have copies of them. Twitter makes that harder than it should be by converting them to MP4 and not providing access to the source material. To make it easier, I made a bash pipeline that takes a tweet URL and a filename, extracts the MP4 from that tweet and uses ffmpeg to convert back to GIF.

Dependencies

  • ffmpeg
    • macOS: brew install ffmpeg
    • Ubuntu/Debian: apt install ffmpeg
@jinyangustc
jinyangustc / md5.clj
Created May 10, 2018 12:02
Clojure - Calculate MD5 hash of a given string.
(import 'java.security.MessageDigest
'java.math.BigInteger)
(defn md5 [s]
(let [algorithm (MessageDigest/getInstance "MD5")
size (* 2 (.getDigestLength algorithm))
raw (.digest algorithm (.getBytes s))
sig (.toString (BigInteger. 1 raw) 16)
padding (apply str (repeat (- size (count sig)) "0"))]
(str padding sig)))

Rich Already Answered That!

A list of commonly asked questions, design decisions, reasons why Clojure is the way it is as they were answered directly by Rich (even when from many years ago, those answers are pretty much valid today!). Feel free to point friends and colleagues here next time they ask (again). Answers are pasted verbatim (I've made small adjustments for readibility, but never changed a sentence) from mailing lists, articles, chats.

How to use:

  • The link below in the summary jumps at the answer on this page.
  • The link on the question itself points back at the original post.

Summary

@jinyangustc
jinyangustc / emacs.el
Created February 27, 2018 15:03 — forked from nilsdeppe/emacs.el
My Emacs init file
;;; initfile --- Summary:
;;; Commentary:
;; Emacs 25.1 and newer tested
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Configuration/Customization:
;; Defines global variables that are later used to customize and set
;; up packages.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

Effective Engineer - Notes

What's an Effective Engineer?

  • They are the people who get things done. Effective Engineers produce results.

Adopt the Right Mindsets

Joining CSV Tables in Haskell

This article describes a technique for joining (in an SQL-style) lists of haskell data structures.

Maybe not the fastest, maybe not the smartest, but it works.

Why I like it

@jinyangustc
jinyangustc / 0-sublime.json
Created September 2, 2017 07:11 — forked from trishume/0-sublime.json
Current Sublime Text settings
{
"auto_complete_commit_on_tab": true,
"auto_complete_triggers":
[
{
"characters": "<",
"selector": "text.html"
},
{
"characters": ".",
@jinyangustc
jinyangustc / reclaimWindows10.ps1
Created May 30, 2017 12:45 — forked from alirobe/reclaimWindows10.ps1
"Reclaim Windows 10" turns off a bunch of unnecessary Windows 10 telemetery, removes bloatware, and privacy invasions. Review and tweak before running. Scripts for reversing are included and commented. Fork via https://github.com/Disassembler0 (different defaults)
##########
# Win10 Initial Setup Script
# Author: Disassembler <disassembler@dasm.cz>
# Version: 1.7, 2016-08-15
# dasm's script: https://github.com/Disassembler0/Win10-Initial-Setup-Script/
# THIS IS A PERSONALIZED VERSION
# This script leaves more MS defaults on, including MS security features.
# Tweaked based on personal preferences for @alirobe 2016-11-16 - v1.7.1