AidHamza

AidHamza

PSQL

Magic words:

psql -U postgres

If run with -E flag, it will describe the underlaying queries of the \ commands (cool for learning!).

Most \d commands support additional param of __schema__.name__ and accept wildcards like *.*

AidHamza

[example.org]
listen = /srv/vhtdocs/example.org/log/.php-fpm.sock
listen.owner = example_org
listen.group = www-data
listen.mode = 0660

user = example_org
group = example_org

pm = dynamic

AidHamza

-- Good reference : http://big-elephants.com/2013-09/exploring-query-locks-in-postgres/

-- show running queries (pre 9.2)
SELECT procpid, age(query_start, clock_timestamp()), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(query_start, clock_timestamp()), usename, query 

AidHamza

## Install with PHP 7.1

```
sudo add-apt-repository ppa:ondrej/php
sudo apt-get update
sudo apt-get install libapache2-mod-php7.1
sudo a2dismod php5
sudo a2enmod php7.1
sudo apt-get install php7.1-dom php7.1-mbstring php7.1-zip php7.1-gd php7.1-xml php7.1-gmp php7.1-mysql php7.1-sqlite php7.1-mcrypt php7.1-curl
```

AidHamza

package safebuffer

import (
	"bytes"
	"sync"
)

// Buffer is a goroutine safe bytes.Buffer
type Buffer struct {
	buffer bytes.Buffer

AidHamza

# using such a setup requires `apt-get install lua-nginx-redis` under Ubuntu Trusty
# more info @ http://wiki.nginx.org/HttpLuaModule#access_by_lua

http {
  lua_package_path "/etc/nginx/include.d/?.lua;;";
  lua_socket_pool_size 100;
  lua_socket_connect_timeout 10ms;
  lua_socket_read_timeout 10ms;
  
  server {

AidHamza

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

AidHamza

echo 'Formatting the code base...'
godep go fmt $(go list ./... | grep -v /vendor/)

echo 'Optimizing the imports...'
goimports -w $(go list -f {{.Dir}} ./... | grep -v /vendor/)

echo 'Installing dependencies. This might take some time...'
godep go install $(go list ./... | grep -v /vendor/)

echo "Executing test"

AidHamza

pragma solidity ^0.5.0;

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.5.0/contracts/token/ERC20/IERC20.sol";

contract Dice {

	IERC20 public nativeGameToken;
	mapping(address => UserBet) private userBets;

	struct UserBet {