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John Downey jtdowney

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Keybase proof

I hereby claim:

  • I am jtdowney on github.
  • I am jtdowney (https://keybase.io/jtdowney) on keybase.
  • I have a public key whose fingerprint is 64A1 17F1 DED3 DD44 E9A2 57C9 D297 3F2A F0FB D951

To claim this, I am signing this object:

require 'openssl'
key = OpenSSL::PKey::DSA.generate 1024
puts key.to_pem
cert = OpenSSL::X509::Certificate.new
cert.version = 2
cert.serial = 1
cert.subject = OpenSSL::X509::Name.new [['CN', 'Test CA']]
cert.issuer = cert.subject
@jtdowney
jtdowney / chat.go
Created October 25, 2012 12:59
Simple Chat Server
package main
import (
"bufio"
"fmt"
"io"
"log"
"net"
)
#![feature(slice_patterns)]
fn main() {
let foo: Vec<i32> = (1..10).collect();
match foo.as_slice() {
[first, rest..] => println!("{:?} :: {:?}", first, rest),
[] => println!("empty"),
}
}
package com.jtdowney;
import javax.net.ServerSocketFactory;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManagerFactory;
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
import java.security.KeyStore;
@jtdowney
jtdowney / day1.rs
Last active December 1, 2017 16:11
#[macro_use]
extern crate error_chain;
mod errors {
error_chain! {
foreign_links {
Io(::std::io::Error);
}
}
}
@jtdowney
jtdowney / part1.rs
Last active December 3, 2017 18:05
day 3
use std::env;
#[derive(Debug)]
enum Direction {
Left,
Right,
Up,
Down,
}
extern crate itertools;
use itertools::Itertools;
use std::env;
use std::fs::File;
use std::io::{BufRead, BufReader};
use std::result;
use std::str;
fn part1(input: &[Vec<String>]) {
use std::collections::HashMap;
use std::env;
use std::fs::File;
use std::io::{Read, BufReader};
use std::str;
fn solve(mut input: Vec<u32>) {
let length = input.len();
let mut count = 0;
let mut history = HashMap::new();
#[macro_use]
extern crate error_chain;
mod errors {
error_chain!{
foreign_links {
Io(::std::io::Error);
ParseInt(::std::num::ParseIntError);
}
}