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@cky
cky / sha12.scm
Last active June 12, 2021 14:00
Scheme implementation of SHA1 and SHA2
;;;; SHA-1 and SHA-2 implementations.
;;;; Uses R7RS bytevector and byte I/O interfaces.
;;;; Requires SRFIs 1, 26, 43, and 60.
;;; Auxiliary definitions to avoid having to use giant tables of constants.
(define primes80 '(2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73
79 83 89 97 101 103 107 109 113 127 131 137 139 149 151 157
163 167 173 179 181 191 193 197 199 211 223 227 229 233 239
241 251 257 263 269 271 277 281 283 293 307 311 313 317 331
@lfittl
lfittl / monitor.rb
Last active June 14, 2024 18:41
# Copyright (c) 2014 Lukas Fittl <[email protected]>
#
# Released in the public domain - fork as you wish.
require 'rubygems'
require 'mixlib/cli'
require 'pg'
require 'pg_query'
require 'curses'
@staltz
staltz / introrx.md
Last active November 19, 2025 07:55
The introduction to Reactive Programming you've been missing
@john2x
john2x / 00_destructuring.md
Last active November 21, 2025 02:39
Clojure Destructuring Tutorial and Cheat Sheet

Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors and Sequences

@Khaledgarbaya
Khaledgarbaya / Hello_Triangle.cpp
Created October 4, 2014 22:28
Hello Triangle Sample With SDL in OpenGL ES 2 (IOS)
#include "SDL.h"
#include <OpenGLES/ES2/gl.h>
#include <OpenGLES/ES2/glext.h>
#include <iostream>
#include <string>
#include <memory>
using namespace std;
GLuint programObject;
class Graphics
@nikAizuddin
nikAizuddin / NASMx86: Allocate heap memory
Created October 12, 2014 22:58
Example using brk() system call for dynamic memory allocations
; 1 2 3 4 5 6 7
;01234567890123456789012345678901234567890123456789012345678901234567890
;=======================================================================
;+---------------------------------------------------------------------+
;| |
;| Example using brk() system call for dynamic memory allocations. |
;| |
;| DON'T CONFUSE that brk() used in C Function is different with brk() |
;| systemcall (systemcall 45 for x86 ASM). |
;| |
@jdeng
jdeng / pdf2img.html
Created February 11, 2015 02:54
pdf to image using pdf.js
<html>
<body>
<script type="text/javascript" src="//mozilla.github.io/pdf.js/build/pdf.js"></script>
<script type="text/javascript">
var url = "https://docs.google.com/document/export?format=pdf&id=1ML11ZyyMpnAr6clIAwWrXD53pQgNR-DppMYwt9XvE6s&token=AC4w5Vg7fSWH1Hq0SgNckx4YCvnGPaScyw%3A1423618416864";
var pages = [], heights = [], width = 0, height = 0, currentPage = 1;
var scale = 1.5;
function draw() {
@jhass
jhass / .rubocop.yml
Last active January 7, 2025 19:23
My preferred Rubocop config
AllCops:
RunRailsCops: true
# Commonly used screens these days easily fit more than 80 characters.
Metrics/LineLength:
Max: 120
# Too short methods lead to extraction of single-use methods, which can make
# the code easier to read (by naming things), but can also clutter the class
Metrics/MethodLength:
@x
x / atomic-cache-example.clj
Created April 22, 2015 16:08
Atomic clojure.cache example
(require '[[clojure.cache :as cache]
[clojure.string :as string]
[cb-statsd :as statsd]])
(def STATSD_SAMPLE_RATE 0.01)
(defn get-statsd-path
[f]
(as-> (str (type f)) fname ;; returns something like "class namespace$foo"
(last (string/split fname #" ")) ;; parse out the "class "
@jeapostrophe
jeapostrophe / ab.log
Created April 28, 2015 10:52
Responding to requests concurrently in the Racket Web server
This is ApacheBench, Version 2.3 <$Revision: 1604373 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking localhost (be patient).....done
Server Software: Racket
Server Hostname: localhost
Server Port: 9000