tomkul

CSS Selectors Cheatsheet

Element selectors

Element -- selects all h2 elements on the page

h2 {
    foo: bar;

Gremlin Cheat Sheet in Groovy

Gremin traversal examples taken from the excellent DS330: DataStax Enterprise Graph course.

Creating Vertices and Vertex Properties

Add a Vertex

Vertex u = graph.addVertex("user");
       u.property("userId","u2016");
 u.property("age",36);

DSE Graph Schema Management Cheat Sheet in Gremlin Groovy

DSE Graph schema management examples taken from the excellent DS330: DataStax Enterprise Graph course.

Graph Definition

List all graph names:

system.graphs();  // => KillrVideo

Describe all graphs:

Helper script to map ports to other servers.

Use Case

had a database that was only accesible in the VPC on aws, so i created an dev intance and did a ssh tunnel to that dev instance with netcat mapping the port to the database

Sample Usage

Forward all request from local 5432 to remote host google.com port 80

./nc-proxy.sh 5432 google.com 80

	adb help // List all comands

	== Adb Server
	adb kill-server
	adb start-server

	== Adb Reboot
	adb reboot
	adb reboot recovery
	adb reboot-bootloader

	using System;
	using System.Collections.Generic;
	using System.IO;
	using System.Linq;
	using System.Text;

	namespace SuffixTreeAlgorithm
	{
	public class SuffixTree
	{

	/*
	* Slightly modified version of the com.ibatis.common.jdbc.ScriptRunner class
	* from the iBATIS Apache project. Only removed dependency on Resource class
	* and a constructor
	*/
	/*
	* Copyright 2004 Clinton Begin
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.

	curl -I -H "Accept-Encoding: gzip,deflate" "$URL" --silent \| grep -i "Content-Encoding:"

	# OR
	curl -H "Accept-Encoding: gzip,deflate" "$URL" --silent --write-out "%{size_download}" --output /dev/null
	curl "$URL" --silent --write-out "%{size_download}" --output /dev/null
	# 2nd must be greater the 1st