greyaperez’s gists

greyaperez / useful_stuff_OSX.sh

Created April 8, 2014 17:19

	#!/bin/sh

	# ALIASES
	alias editbash='vim ~/.bashrc'
	alias updatebash='source ~/.bashrc'
	alias rm='rm -i'
	alias cp='cp -i'
	alias mv='mv -i'
	alias shutdown='shutdown -P now'

greyaperez / quick_and_dirty_login.php

Created March 21, 2014 14:16

Very quick and dirty login, just add this entire script above the stuff in your index.php file.

	<?php
	// SET YOUR USER/PASS STUFF HERE...
	$auth = array(
	'user1' => 'pass123',
	'user2' => 'pass123',
	'user3' => 'pass123',
	'user4' => 'pass123',
	'user5' => 'pass123',
	);

greyaperez / apt-get-common.sh

Created March 17, 2014 04:02

Common & Useful apt-get/apt-cache commands

	# Install Something (duh...)
	apt-get install {package name}

	# Search for Package in Repos
	apt-cache search

	# Get Package Info In Detail (including version)
	apt-cache show {package name}

	# Remove a Package

greyaperez / install_npm_module_globally.sh

Created March 16, 2014 22:04

Install NPM Module Globally... avoid headache

	# Install NPM Module Globally
	sudo npm install -g {module name}

	# example
	sudo npm install -g connect

greyaperez / path_of_app_binary.sh

Created March 16, 2014 21:44

Find where the bin of an app is located

	# Shows you where the app is coming from
	which {app}

	# Example...
	which java
	# returns: /usr/bin/java

greyaperez / isBusinessDay.java

Last active April 21, 2023 08:42

Function to Check Whether Date is a Business Day or Not (ex: Weekend or Holiday)

	/**
	* Is Date A Business Day?
	* @param cal
	* @return boolean
	*/
	public boolean isBusinessDay(Calendar cal){
	// check if weekend
	if(cal.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY \|\| cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY){
	return false;
	}

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");

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 / 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 / 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>();
	}
	}

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