Leon Mak leonmak

leonmak / set_gopath.sh

Created June 11, 2018 02:07

go environment setup for gotchas

	# . set_gopath.sh
	export GOPATH=`pwd`
	export PATH="$GOPATH/bin:$PATH"

	# for mac osx
	# export GOBIN=$GOPATH/bin
	# unset if `flogo build`

	git config --global --unset alias.gb

leonmak / setup.md

Last active November 2, 2018 00:56

Setup ssh in remote VM

In VM

sudo adduser ubuntu
sudo su ubuntu
cd /home/ubuntu

mkdir .ssh
chmod 700 .ssh

cd .ssh

leonmak / alien_dict.py

Created January 30, 2019 07:58

269. Alien Dictionary

	from collections import defaultdict

	class Solution(object):
	def alienOrder(self, words):
	"""
	:type words: List[str]
	:rtype: str
	"""
	graph = defaultdict(list)

leonmak / lc-locked.csv

Created February 1, 2019 05:41

leetcode locked questions

id	difficulty	title
253	Medium	Meeting Rooms II
269	Hard	Alien Dictionary
681	Medium	Next Closest Time
159	Hard	Longest Substring with At Most Two Distinct Characters
642	Hard	Design Search Autocomplete System
158	Hard	Read N Characters Given Read4 II - Call multiple times
683	Hard	K Empty Slots
716	Easy	Max Stack
755	Medium	Pour Water

leonmak / udfs.py

Created March 4, 2019 03:18

Union Disjoint Find Set

	# if not root, find parent, set parent, return parent
	p = map(chr, range(n))

	def find(p, x):
	if p[x] != x:
	p[x] = find(p, p[x])
	return p[x]

	def union(p, i, j):
	pi, pj = find(p, i), find(p, j)

leonmak / udfs.py

Created March 4, 2019 03:18

Union Disjoint Find Set

	# if not root, find parent, set parent, return parent
	p = map(chr, range(n))

	def find(p, x):
	if p[x] != x:
	p[x] = find(p, p[x])
	return p[x]

	def union(p, i, j):
	pi, pj = find(p, i), find(p, j)

leonmak / udfs.py

Created March 4, 2019 03:18

Union Disjoint Find Set

	# if not root, find parent, set parent, return parent
	p = map(chr, range(n))

	def find(p, x):
	if p[x] != x:
	p[x] = find(p, p[x])
	return p[x]

	def union(p, i, j):
	pi, pj = find(p, i), find(p, j)

leonmak / mac_word_move.plist

Last active May 30, 2019 05:59

iterm2 mac profile - word movement, deletion and pane selection

	<?xml version="1.0" encoding="UTF-8"?>
	<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
	<plist version="1.0">
	<dict>
	<key>AlternateMouseScroll</key>
	<true/>
	<key>AppleAntiAliasingThreshold</key>
	<integer>1</integer>
	<key>AppleScrollAnimationEnabled</key>
	<integer>0</integer>

leonmak / pecs.java

Last active May 26, 2020 06:07

Producer extend Consumer super

	import java.util.ArrayList;
	import java.util.List;

	class Scratch {

	class Shark {
	private final String name = "Sharkie";
	public String getName() { return name; }
	}// A
	class HammerShark extends Shark{

leonmak / auth.js

Last active May 24, 2021 14:05

chrome extension login id token

	// need to use launchWebAuthFlow in chrome extension
	// can't use gapi in extension
	// https://github.com/google/google-api-javascript-client/issues/64

	async function getIdTokenInfo(id_token: string) {
	const resp = await fetch(
	`https://oauth2.googleapis.com/tokeninfo?id_token=${id_token}`
	);
	return resp.json();
	}