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zcdziura / Crypto Test

Last active July 13, 2023 05:08

Encryption using Elliptic Curves and Diffie-Hellman key exchanges

	import java.io.UnsupportedEncodingException;
	import java.security.InvalidAlgorithmParameterException;
	import java.security.InvalidKeyException;
	import java.security.Key;
	import java.security.KeyPair;
	import java.security.KeyPairGenerator;
	import java.security.NoSuchAlgorithmException;
	import java.security.NoSuchProviderException;
	import java.security.PrivateKey;
	import java.security.PublicKey;

jboner / latency.txt

Last active December 25, 2025 23:33

Latency Numbers Every Programmer Should Know

	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

j2labs / gist:1763847

Created February 8, 2012 01:05

A fresh cerealization.

terrancesnyder / regex-japanese.txt

Created November 7, 2011 14:05

Regex for Japanese

	Regex for matching ALL Japanese common & uncommon Kanji (4e00 – 9fcf) ~ The Big Kahuna!
	([一-龯])

	Regex for matching Hirgana or Katakana
	([ぁ-んァ-ン])

	Regex for matching Non-Hirgana or Non-Katakana
	([^ぁ-んァ-ン])

	Regex for matching Hirgana or Katakana or basic punctuation (、。’)

y10h / redis_vs_sqlite.py

Created November 7, 2011 10:04 — forked from perses76/redis_vs_sqlite.py

Redis vs SQLite

	from datetime import datetime
	import redis
	import random
	import sqlite3

	BROKER_HOST = "localhost" # Maps to redis host.
	REDIS_PASSWORD = None
	KEY_PREFIX = "speed_"
	ALPHABETE = "qwertyuiopasdfghjklzxcvbnm1234567890QWERTYUIOPASDFGHJKLZXCVBNM"
	SQLITE_DB = ":memory:"

perses76 / redis_vs_sqlite.py

Created October 5, 2011 14:23

Redis vs SQLite

	from datetime import datetime
	import redis
	import random
	import sqlite3

	BROKER_HOST = "localhost" # Maps to redis host.
	REDIS_PASSWORD = None
	KEY_PREFIX = "speed_"
	ALPHABETE = "qwertyuiopasdfghjklzxcvbnm1234567890QWERTYUIOPASDFGHJKLZXCVBNM"
	SQLITE_DB = ":memory:"

mattpodwysocki / nodeconf_2011.md

Created May 7, 2011 02:03 — forked from guybrush/nodeconf_2011.md

a list of slides from nodeconf 2011

nodeconf slides - 2011

a list of slides from nodeconf

you may want to take a look at the jsconf-gist too!

jdp / refactor.py

Created December 7, 2010 04:59

A toy tail-recursive concatenative language implementation

	#!/usr/bin/env python

	import sys
	import types
	import operator

	class Runtime:
	def __init__(self, env={}, stack=[]):
	self.env = {
	# Primitive words, not an impressive base but it works