Get Homebrew installed on your mac if you don't already have it
Install highlight. "brew install highlight". (This brings down Lua and Boost as well)
Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
#include <time.h> // Robert Nystrom | |
#include <stdio.h> // @munificentbob | |
#include <stdlib.h> // for Ginny | |
#define r return // 2008-2019 | |
#define l(a, b, c, d) for (i y=a;y\ | |
<b; y++) for (int x = c; x < d; x++) | |
typedef int i;const i H=40;const i W | |
=80;i m[40][80];i g(i x){r rand()%x; | |
}void cave(i s){i w=g(10)+5;i h=g(6) | |
+3;i t=g(W-w-2)+1;i u=g(H-h-2)+1;l(u |
Get Homebrew installed on your mac if you don't already have it
Install highlight. "brew install highlight". (This brings down Lua and Boost as well)
This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.
The script is here:
#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"
The count of contributions (summary of Pull Requests, opened issues and commits) to public repos at GitHub.com from Wed, 21 Sep 2022 till Thu, 21 Sep 2023.
Only first 1000 GitHub users according to the count of followers are taken. This is because of limitations of GitHub search. Sorting algo in pseudocode:
githubUsers
.filter(user => user.followers > 1000)
#!/usr/bin/python | |
import curses, random | |
screen = curses.initscr() | |
width = screen.getmaxyx()[1] | |
height = screen.getmaxyx()[0] | |
size = width*height | |
char = [" ", ".", ":", "^", "*", "x", "s", "S", "#", "$"] | |
b = [] |
Work in progress, I'll write this up properly when I'm done.
Almost all credit goes to @maxogden for putting me on to this and pointing me in the right direction for each of these items.
Prerequisites:
Notify is a utility for sending push notifications via Pushover from the command line. It can be run manually, but is most useful for sending notifications from shell scripts, cron jobs, and long running tasks.
To install, copy the contents of notify.php
to somewhere on your computer, and make it executable: