hellerbarde

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

msurguy

Other people's projects:

• https://github.com/laracasts/URL-Shortener URL Shortener by Jeffrey Way
• https://github.com/basco-johnkevin/laravelsnippets Source code of http://laravelsnippets.com website
• https://github.com/jesseterry/FusionInvoice FusionInvoice is built for freelancers and small businesses who need a simple, yet powerful self-hosted web based invoicing system.
• https://github.com/ezynda3/burnmsg is a self-destructing encrypted message app. A demo is also running on https://burnmsg.com
• https://github.com/martindilling/auto-generating-gallery the demo is at http://gallerydemo.martindilling.com/

My projects (tutorials are on my blog at http://maxoffsky.com):

• https://github.com/CodepadME/laravel-tricks - Source of Laravel-tricks.com

matteobertozzi

# th30z@u1310:[Desktop]$ psql -h localhost -p 55432
# Password: 
# psql (9.1.10, server 0.0.0)
# WARNING: psql version 9.1, server version 0.0.
#          Some psql features might not work.
# Type "help" for help.
# 
# th30z=> select foo;
#  a | b 
# ---+---

arkady-emelyanov

# Sample haproxy postgresql master check
#
# haproxy listen: 5431
# pg, instance #1 listen: 5432 (master node)
# pg, instance #2 listen: 5433 (replica node)
# external failover, promoting replica to master in case of failure
# passwordless auth for user web
# template1 database is accessible by user web
#
# haproxy will pass connection to postgresql master node:

gplv2

TL;DR

Create a backup:

sudo -Hiu postgres pg_dumpall > mybackup.sql

Install Postgres 11, and then:

ZhangYiJiang

<?php

namespace App\Console\Commands;

use App\User;
use Illuminate\Console\Command;
use Illuminate\Contracts\Auth\UserProvider;

class ResetPassword extends Command
{

ahmpro

# Sample haproxy postgresql master check
#
# haproxy listen: 5431
# pg, instance #1 listen: 5432 (master node)
# pg, instance #2 listen: 5433 (replica node)
# external failover, promoting replica to master in case of failure
# passwordless auth for user web
# template1 database is accessible by user web
#
# haproxy will pass connection to postgresql master node:

deanrather

process.on
(
	'uncaughtException',
	function (err)
	{
		var stack = err.stack;
		var timeout = 1;
		
		// print note to logger
		logger.log("SERVER CRASHED!");

bertspaan

Buildings in the Netherlands by year of construction

Map can be seen on http://citysdk.waag.org/buildings/. The map shows all 9,866,539 buildings in the Netherlands, shaded according to year of construction. Data from BAG, via CitySDK. Map made with TileMill by Bert Spaan, Waag Society, inspired by BKLYNR.

This README file explains how to get the data, create the map and export high-res PNG and PDF files.

Download and import BAG data

First, install PostgreSQL and PostGIS. To download and import the latest BAG data into a local database, you can use the data, tools and tutorials provided

pjkelly

# Uninstall any pre-existing packaged
# versions of phpunit
sudo apt-get remove phpunit

# Install pear via apt-get
sudo apt-get install php-pear

# Update existing pear channels
sudo pear channel-update pear.php.net