schaitanya

# From https://github.com/WilliamHackmore/linuxgems
# cheat_sheet.org
# (C) William Hackmore, 2010
# The contents of this file are released under the GNU General Public License. Feel free to reuse the contents of this work, as long as the resultant works give proper attribution and are made publicly available under the GNU General Public License.
# Last updated 8/14/2012
# Best viewed in emacs org-mode.

* Command Reference:
** Basics:
*** Getting help:

schaitanya

OSX (built in)

list the directories in the current directory
ls -d */
get or set kernel state
sysctl
TCP window scale option
sysctl net.inet.tcp.rfc1323
shows date in historyfile
export HISTTIMEFORMAT="%h/%d - %H:%M:%S "
show wan-ip

schaitanya

#!/bin/sh

host=localhost:9200

curl -X DELETE "${host}/test"

curl -X PUT "${host}/test" -d '{
  "settings" : { "index" : { "number_of_shards" : 1, "number_of_replicas" : 0 }}
}'

schaitanya

{
  "name": "re-index",
  "version": "0.0.1",
  "description": "Create backup, and re-index elastic search data with scan and scroll",
  "main": "re-index.coffee",
  "author": "Chaitanya Surapaneni",
  "license": "MIT",
  "dependencies": {
    "request": "~2.21.0",
    "async": "~0.2.8",

schaitanya

{
  "query": {
    "custom_filters_score": {
      "query": {
        "filtered": {
          "query": {
            "bool": {
              "must": [
                {
                  "field": {

schaitanya

@loop: (method, data, callback) ->
    results = []
    data.pageNumber ?= 1
    @[method] data, (err, res) =>
      # totalResults = res?.totalNumberOfElements
      # numberOfElements = res?.numberOfElements
      totalPages = parseInt(res[0]?.result?.totalPages)
      results.push res[0]?.result?.resultSet
      async.whilst ->
        return data.pageNumber isnt totalPages

schaitanya

request = require 'request'
async   = require 'async'
url     = "http://letsrevolutionizetesting.com/challenge.json"
id      = null
message = null

async.whilst ->
  not message?
, (callback) ->
  oUurl = url

schaitanya

Awesome PHP

A curated list of amazingly awesome PHP libraries, resources and shiny things.

Composer

• Composer/Packagist - A package and dependency manager.
• Composer Installers - A multi framework Composer library installer.

Composer Related

schaitanya

I agree the point you’re making here, 100%. However, a slight correction about Node’s APIs.

First of all, process.nextTick is actually first in, first out. Proof:

$ node -e 'process.nextTick(console.log.bind(console, 1)); process.nextTick(console.log.bind(console, 2))'
1
2

schaitanya

Better local require() paths for Node.js

Problem

When the directory structure of your Node.js application (not library!) has some depth, you end up with a lot of annoying relative paths in your require calls like:

var Article = require('../../../models/article');

Those suck for maintenance and they're ugly.

Possible solutions