Ganeshan Venkataraman ganeshan

PostgreSQL is Enough

Background and Cron Jobs

NOTE: This is a question I found on StackOverflow which I’ve archived here, because the answer is so effing phenomenal.

Q: How can I make a chain of function decorators in Python?

If you are not into long explanations, see [Paolo Bergantino’s answer][2].

Create X.509 certificates

(Steps taken from: https://www.baeldung.com/x-509-authentication-in-spring-security)

All passwords: changeit

RootCA

openssl req -x509 -sha256 -days 3650 -newkey rsa:4096 -keyout rootCA.key -out rootCA.crt

Keycloak Cluster Configuration (How to) - Legacy Wildfly Distribution!!!

This is a short and simple example on how to build a proper Keycloak cluster, using JDBC_PING as discovery protocol and an NGINX server as reverse proxy.

Please see also my video about Keycloak Clustering: http://www.youtube.com/watch?v=P96VQkBBNxU

	-- A method for storing and retrieving hierarchical data in sqlite3
	-- by using a trigger and a temporary table.
	-- I needed this but had trouble finding information on it.

	-- This is for sqlite3, it mostly won't work on anything else, however
	-- most databases have better ways to do this anyway.

	PRAGMA recursive_triggers = TRUE; -- This is not possible before 3.6.18

	-- When creating the Node table either use a primary key or some other

	import java.util.Arrays;
	import org.apache.commons.cli.CommandLine;
	import org.apache.commons.cli.CommandLineParser;
	import org.apache.commons.cli.DefaultParser;
	import org.apache.commons.cli.HelpFormatter;
	import org.apache.commons.cli.Option;
	import org.apache.commons.cli.Options;
	import org.apache.commons.cli.ParseException;

	public class Application {


	(function(XHR) {
	"use strict";

	var stats = [];
	var timeoutId = null;

	var open = XHR.prototype.open;
	var send = XHR.prototype.send;

	/*
	Step 1
	Create NorthWindContacts database in SSMS

	Step 2
	Copy this script into SSMS, select NorthWindContacts

	Step 3
	Run the script

	import com.amazonaws.regions.Regions;
	import com.amazonaws.services.s3.AmazonS3;
	import com.amazonaws.services.s3.AmazonS3ClientBuilder;
	import com.amazonaws.services.s3.internal.Constants;
	import com.amazonaws.services.s3.model.*;
	import lombok.extern.log4j.Log4j2;

	import java.io.ByteArrayInputStream;
	import java.io.ByteArrayOutputStream;
	import java.io.InputStream;

	using Microsoft.EntityFrameworkCore.Migrations.Operations;

	namespace Gist.Extensions.Sql
	{
	internal sealed class CreateTableIfNotExistsOperation : CreateTableOperation
	{
	}
	}