ravyg’s gists

ravyg / simple_to_nestedarray.php

Created March 19, 2012 08:06

takes in simple array to generate hierarchical nested array #tree #graph

	<?php
	function hierarchical_array_from_array($farray){
	foreach ($flatArray as $key=>$flat) {
	$nodes = array();
	$tree = array();
	foreach ($flatArray as $key=>&$node) {
	$node["Children"] = array();
	$id = $node["@id"];
	$parent_id = $node["@parentId"];
	$nodes[$id] =& $node;

ravyg / Drupal Theme Basics

Last active August 29, 2015 14:06

Drupal Theming Basics

	- Knowing the ".info" files
	Tell drupal about your theme.

	- Playing with ".tpl.php" (Template) files
	Place for your all HTML structure.

	- Variables in ".tptl.php" files
	Dynamic bits of content which is to be printed in your template file.

	- Theme Functions overriding.

ravyg / Handy DRUSH Commands

Last active August 29, 2015 14:06

Geek Lyrics!

	VARIABLE SET:
	drush vset --yes file_private_path <path-to-private-files> \| drush vset --yes file_temporary_path <path-to-temporary-file> \|

	NOT NEEDED ADMIN AND NEEDED ADMIN MENU
	drush dis admin -y \| drush en admin_menu diff field_ui -y

	DRUSH KICKSTART
	drush dl [drupal-version]
	drush si --db-url=mysql://[dbusername]:[dbpassword]@localhost/[dbname]
	drush upwd admin --password=[MyEasyDevPassword]

ravyg / README.md

Created November 19, 2015 18:18 — forked from lopezjurip/README.md

Write to NTFS on OSX Yosemite and El Capitan

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

brew update

ravyg / Mongo commands

Last active January 22, 2017 15:20

AWS, Mongo, Dynamo Commands

	# Importing a db with multiple bson files
	# Note each bson is a collection.
	mongorestore -d db_name path/

	# To start db use:
	mongo db_name

	# To see collections use:
	show collections

ravyg / Postgres SQL Gist

Created November 6, 2016 22:06

pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start

ravyg / Hadoop Commands

Last active November 12, 2016 02:57

Data Sciences Commands

	# Command pipeline
	# Non hadoop way using only linux commands.
	cat data \| map \| sort \| reduce
	# some text to mapper.
	echo "foo foo quux labs foo bar quux" \| <dirto/>mapper.py
	# Some text to mapper then sort and then reducer.
	echo "foo foo quux labs foo bar quux" \| <dirto/>mapper.py \| sort-K1, 1 \| <dirto/>reducer.py
	# Doing with file.
	cat myfilename.txt \| <dirto/>mapper.py \| sort-K1, 1 \| <dirto/>reducer.py

ravyg / Terminal Commands

Last active May 25, 2018 16:05

General Unix Commands

	# Find the number of line in a file type recuresively.
	find . -name '*.php' \| xargs wc -l

	# Find occurence on on word say "carrot" in many files.
	grep -ir carrot . \| wc -l

	# This helps in moving files so keep backup!!!
	# Moves files with json extension from sub-folders recursively to single output folder.
	find <parent/folders/subfolders> -type f -name '*.json' -exec mv -i {} <new/folder> \;

ravyg / word2vec_tweets_preprocessor.py

Created February 8, 2017 06:18

Clean tweets json for tensorflow or gensim based word2vec plain text

	# -- coding: utf-8 --
	import json
	import re
	import os
	import nltk

	input_file = open('<JSON FILE To INPUT>','r').readlines()
	for line in input_file:
	try:
	tweet = json.loads(line)

ravyg / dnn_ravyg.py

Last active February 15, 2017 16:56

[1,2,5 Layer] Deep Neural Network implementation NOTE: Use you own vector data [Read Comment to select number of layers]

	#!/usr/bin/env python
	# -- coding: utf-8 --
	# Parts of this code have be taken from Dr.Calix's ITS520 Class at Purdue University.
	# Co-Authored: Ravish Gupta
	##########################################################
	import csv
	import warnings
	import matplotlib.pyplot as plt
	import tensorflow as tf
	import numpy as np

Ravish Gupta ravyg