greyaperez’s gists

greyaperez / composer_global_require.sh

Created January 13, 2014 02:44

Globally Install a Package

	# Exec
	composer global require '{APP PACKAGE}'

	# Example
	composer global require 'phpunit/phpunit=3.7.*'

greyaperez / git_show_commit_hash.sh

Created January 17, 2014 15:10

Git - Show Current Commit Hash

git rev-parse HEAD

greyaperez / PDO-Simple_Example.php

Created January 20, 2014 16:45

Quick & Dirty PDO Usage to MySQL DB

$pdo = new PDO( 'mysql:dbname={DBNAME};host=localhost', $user, $pass );

greyaperez / tail_match_execute.sh

Created February 6, 2014 16:12

When Tailed Log matches a string, execute task.

	tail -f logfile.log \| while read LOGLINE
	do
	[[ "${LOGLINE}" == "Server Started" ]] && pkill -P $$ tail && {DO SOMETHING HERE}
	done

greyaperez / ngrok-tunnel.sh

Created February 19, 2014 15:43

NGROK Tunnel, useful commands to run

	// Initial Setup - Get AUTH TOKEN from ngrok.com (Run this once)
	ngrok -authtoken {AUTH TOKEN} 80

	// Run Ngrok on a specific Subdomain (Ex: local.ngrok.com)
	ngrok -subdomain=local 8080

greyaperez / Get_Concrete_Type_of_Generic.java

Created February 27, 2014 03:49

Grab generic interfaces of a class by Class#getGenericInterfaces() which you then in turn check if it's a ParameterizedType and then grab the actual type arguments accordingly. .


	// Interface
	public interface FooBar<T> {
	// ...
	}

	// Impl Class
	public class BarFoo implements FooBar<Person> {
	// ...
	}

greyaperez / Custom_Iterable.java

Created February 27, 2014 04:10

Implementation Example of Iterable Interface


	/*
	* Implement the java.lang.Iterable<E> interface
	*/
	public class MyCollection<E> implements Iterable<E>{

	public Iterator<E> iterator() {
	return new MyIterator<E>();
	}
	}

greyaperez / stack_trace_or_gtfo.java

Created March 6, 2014 22:03

That returns an array of StackTraceElements that represent the current stack trace of a program.

	// Array of StackTraceElements
	Thread.currentThread().getStackTrace();


	// Return as String, (Uses Apache Commons Lib)
	String fullStackTrace = org.apache.commons.lang.exception.ExceptionUtils.getFullStackTrace(e);

	// Get Defined Position of Current Method
	(new Throwable()).getStackTrace();

greyaperez / create_service.sh

Created March 11, 2014 06:08

	#########################################################
	# Step 1 - Create /etc/init.d/{service-name} File
	#########################################################

	#!/bin/sh
	### BEGIN INIT INFO
	# Provides: service-name
	# Short-Description: Management of {Service Name}
	### END INIT INFO

greyaperez / Get_Relevant_StackTrace.java

Created March 13, 2014 19:13

Get nice output of the current relevant stack in your app. Insert this snippet anywhere in your code (ideally closer to the last class / method being called).


	System.out.println("##################\n Relevant Stack\n##################");
	for(StackTraceElement stackelement : Thread.currentThread().getStackTrace()){
	String[] elementClass = stackelement.getClassName().split("\\.");
	// Set Relevant Packages Here (com by default)
	if( elementClass.length > 3 && elementClass[0].equals("com") ) {
	System.out.println( stackelement.getClassName() + " :: " + stackelement.getMethodName() + "()");
	}
	}
	System.out.println("##################\n [end] Relevant Stack\n##################\n\n");

Grey Perez greyaperez