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// JavaScript (ES6) port of the code at https://gist.github.com/bhelx/778542
// Also handles leading 0's in strings
const BASE = 62;
const UPPERCASE_OFFSET = 55;
const LOWERCASE_OFFSET = 61;
const DIGIT_OFFSET = 48;
class Base62{
constructor() {
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tejzpr / binary_tree.js
Created February 5, 2018 21:53
Javascript Binary Tree
class Node {
constructor(data) {
this.data = data;
this.left = null;
this.right = null;
this.inorderOut = [];
this.preorderOut = [];
this.postorderOut = [];
}
insert(data) {
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tejzpr / btree-wordcount.js
Last active February 6, 2018 21:43
Word counter using a B-Tree
class Node {
constructor(data) {
this.data = data;
this.count = 1;
this.left = null;
this.right = null;
this.inorderOut = [];
this.preorderOut = [];
this.postorderOut = [];
}
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tejzpr / dim-screen-ubuntu.txt
Last active June 5, 2018 05:02
Dim backlight in Intel Graphics based Laptops running Ubuntu 18.04 (Gnome or Budgie)
Open a terminal and run the following commands (cd to your home directory first)
sudo apt install xbacklight
xauth generate :0 . trusted
xauth add ${HOST}:0 . $(xxd -l 16 -p /dev/urandom)
sudo vi /etc/udev/rules.d/98-backlight.rules
Paste the following into the 98-backlight.rules
################################################# START ###################################
# Adjust screen brightness according to power state
# 1st rule for when on AC
ACTION=="change", SUBSYSTEM=="power_supply", ATTR{type}=="Mains", ATTR{online}=="1", ENV{DISPLAY}=":0", ENV{XAUTHORITY}="/home/USERNAME/.Xauthority", RUN+="/usr/bin/xbacklight -set 85"
  1. Re-Order Lauchpad APPS
defaults write com.apple.dock ResetLaunchPad -bool true; killall Dock
//Fastest way to copy a Collection in MongoDB
db.getCollection('OriginalCollection').aggregate([ { $out: "ClonedCollection" } ]);
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tejzpr / fhvhash.go
Created March 1, 2021 18:00
FNV Hash - Go
package main
import "fmt"
func fnvHash32(key string) uint32 {
hash := uint32(2156825496)
const prime32 = uint32(16777619)
for i := 0; i < len(key); i++ {
hash *= prime32
hash ^= uint32(key[i])
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tejzpr / LICENSE
Last active March 6, 2021 04:10
This license applies to all my Public Gists unless another License is specifically applied in source code of that particular Gist.
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.

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tejzpr / strstr.go
Created April 1, 2021 22:07
strstr in go
package main
import (
"fmt"
"strings"
)
func main() {
fmt.Println(strstr("Hello how how are you", "How"))
}