jaymecd

package main
import (
    "net/http"
)

func redirect(w http.ResponseWriter, req *http.Request) {
    http.Redirect(w, req,
            "https://" + req.Host + req.URL.String(),
            http.StatusMovedPermanently)
}

jaymecd

Install git on OSX:

brew update && brew upgrade
brew install git

Make diff nicer:

jaymecd

Adyen Test Card Numbers
These cards are only valid on our TEST system and they will never involve any actual transaction or transfer of funds. The TEST card numbers will not work on the Adyen LIVE Platform.

For all cards use the following expiration and CVV2/CVC2/or CID for Amex. 

For all cards:

Expiration Dates	CVV2 / CVC3	CID (American Express)
06/2016  OR  08/2018	737	7373

jaymecd

<?php
$options = getopt("f:o:");
if (! isset($options['f'])) {
	echo "Files have to be specified with -f\n";
	exit(1);
}
if (! isset($options['o'])) {
	echo "Output has to be specified with -o\n";
	exit(1);
}

jaymecd

FROM ubuntu:16.04

RUN PACKAGES="\
        php-cli \
        php-mysql \
        php-intl \
        php-xml \
        php-curl \
        php-dom \
    " && \

jaymecd

Travis CI log with ext-redis Not Found

$ phpenv global 5.5 2>/dev/null
5.5 is not pre-installed; installing

$ phpenv global 5.5

$ composer self-update

jaymecd

PHP-7: Misssing Extensions

NB! all actions are done on alpine:3.4 within php:7.0.7.

NB! After installation, do not forget to update php.ini with extension={NAME}.so records.

Install build dependencies:

$ apk update

jaymecd

GitHub / Jira release tool

Install

Download/update scripts:

$ curl https://gist.githubusercontent.com/jaymecd/221af6ff75d7c4b64edae647392b9e86/raw/gh-release.sh > /usr/local/bin/gh-release
$ curl https://gist.githubusercontent.com/jaymecd/221af6ff75d7c4b64edae647392b9e86/raw/gh-release-qa.sh > /usr/local/bin/gh-release-qa
$ chmod +x /usr/local/bin/gh-release*

jaymecd

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

jaymecd

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname