Tristan Leo derveloper

Datomic pro with Postgresql Setup

Prep

Get evaluation license key : http://my.datomic.com/eval/request
Download pro version : http://downloads.datomic.com/pro.html

Setups

Dev mode setup

Orthodox C++

What is Orthodox C++?

Orthodox C++ (sometimes referred as C+) is minimal subset of C++ that improves C, but avoids all unnecessary things from so called Modern C++. It's exactly opposite of what Modern C++ suppose to be.

Why not Modern C++?

Rust Error Handling Cheatsheet - Result handling functions

Introduction to Rust error handling

Rust error handling is nice but obligatory. Which makes it sometimes plenty of code.

Functions return values of type Result that is "enumeration". In Rust enumeration means complex value that has alternatives and that alternative is shown with a tag.

Result is defined as Ok or Err. The definition is generic, and both alternatives have

Synapse Docker Compose Setup

This proposed setup assumes that you want to use synapse with a Postgres database behind a separate nginx reverse proxy for TLS.

Setup

DNS setup

A detailed explanation of a basic and extended dns setup can be found here

	node1:
	image: hauptmedia/mariadb:10.1
	hostname: node1
	ports:
	- 13306:3306
	environment:
	- MYSQL_ROOT_PASSWORD=test
	- REPLICATION_PASSWORD=test
	- MYSQL_DATABASE=maria
	- MYSQL_USER=maria

	#include <stdio.h>
	#include <stdlib.h>
	#include <stdint.h>

	typedef struct {
	float **audio;
	int chan_ct;
	int sample_ct;
	int sample_rate;
	} sound;

	#cloud-config

	# Upgrade the instance on first boot
	# (ie run apt-get upgrade)
	#
	# Default: false
	# Aliases: apt_upgrade
	package_upgrade: true

	# Install additional packages on first boot

	pipeline {
	agent { node { label 'swarm-ci' } }

	environment {
	TEST_PREFIX = "test-IMAGE"
	TEST_IMAGE = "${env.TEST_PREFIX}:${env.BUILD_NUMBER}"
	TEST_CONTAINER = "${env.TEST_PREFIX}-${env.BUILD_NUMBER}"
	REGISTRY_ADDRESS = "my.registry.address.com"

	SLACK_CHANNEL = "#deployment-notifications"

	# based on the "patch deployment" strategy in this comment:
	# https://github.com/kubernetes/kubernetes/issues/13488#issuecomment-372532659
	# requires jq

	# $1 is a valid namespace
	function refresh-all-pods() {
	echo
	DEPLOYMENT_LIST=$(kubectl -n $1 get deployment -o json\|jq -r .items[].metadata.name)
	echo "Refreshing pods in all Deployments"
	for deployment_name in $DEPLOYMENT_LIST ; do

	{ config, lib, pkgs, ... }:

	with lib;

	{
	imports =
	[
	<nixpkgs/nixos/modules/installer/cd-dvd/channel.nix>
	./machine-config.nix
	];