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Hengki Sihombing hengkiardo

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hengkiardo / custom-method.js
Created May 31, 2017
Custom method to jQuery Validation Plugin for Phone Numbers
View custom-method.js
jQuery.validator.addMethod("phoneno", function(phone_number, element) {
phone_number = phone_number.replace(/\s+/g, "");
return this.optional(element) || phone_number.length > 9 &&
phone_number.match(/^((\+[1-9]{1,4}[ \-]*)|(\([0-9]{2,3}\)[ \-]*)|([0-9]{2,4})[ \-]*)*?[0-9]{3,4}?[ \-]*[0-9]{3,4}?$/);
}, "<br />Please specify a valid phone number");
hengkiardo /
Created Jan 29, 2017 — forked from virajkulkarni14/
Installing Cassandra 3.5 on Mac OS X El Capitan

Installing Cassandra on Mac OS X


Version Number might change!! The versions of all softwares mentioned here, including Cassandra will change as newer versions are launched.

Install Homebrew

Homebrew is a great little package manager for OS X. If you haven't already, installing it is pretty easy:


#MongoDB 3.2.x Replica Sets on AWS EC2 A MongoDB replica set provides a mechanism to allow for a reliable database services. The basic replica set consists of three servers, a primary, a secondary and an arbitrator. The primary and secondary both hold a copy of the data. The arbitrator is normally a low spec server which just monitors the other servers and help with the failover process. In production, there can be more than three servers.

To setup mongo as a replica set on Amazon Web Services EC2 you need to first setup a security group with ssh on port 22 and mongodb on port 27017. You then need to create three servers. Select Ubuntu 14.04 LTS x64 and a micro (or bigger depending on your database size, ideally you should have enough memory to match your database size) instance for the primary and secondary and a nano instance for the arbitrator.

##Adjust the File System on each Server The operating system by default will update the last access time on a file. In a high data throughput database application

hengkiardo /
Created Oct 23, 2016 — forked from apanimesh061/
mongo-connector with ES 2.2.0 and Mongo 2.6

Before starting please have a mongo replica set initiated. I have mongo running at localhost:27170 and elasticsearch at localhost:9200

The test dataset I used is available on the mongodb website.

I am using MongoDB 2.6 and Elasticsearch 2.2.0 on a Windows machine.

Here I have tested three cases:

  • An index already exists, mc-test-index in this case
hengkiardo / gist:6491236
Created Sep 9, 2013
Download images with node.js
View gist:6491236
// npm install cheerio
// npm install request
function getImages(uri) {
var request = require('request');
var url = require('url');
var cheerio = require('cheerio');
path = require('path')
var fs = require('fs');
hengkiardo / wiredtiger-zlib.conf
Created Feb 2, 2016 — forked from tmcallaghan/wiredtiger-zlib.conf
YAML Config for MongoDB 3.0.0 - wiredtiger zlib
View wiredtiger-zlib.conf
dbPath: "./data"
directoryPerDB: true
enabled: true
engine: "wiredTiger"
cacheSizeGB: 8
journalCompressor: zlib
hengkiardo / gist:f0ee23e91652e9cded68
Created Feb 2, 2016
remove all database mongodb
View gist:f0ee23e91652e9cded68
mongo --quiet --eval 'db.getMongo().getDBNames().forEach(function(i){db.getSiblingDB(i).dropDatabase()})'
hengkiardo /
Created Feb 2, 2016 — forked from katychuang/
remove mongodb that was installed via brew
#!/usr/bin/env sh
# checks to see if running
launchctl list | grep mongo
launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.mongodb.plist
launchctl remove homebrew.mxcl.mongodb
pkill -f mongod
hengkiardo / mongoose-connection-options.js
Created Jan 23, 2016
MongoLab recommended mongoose connection options. More supported connections for the underlying Node Native driver can be found here:
View mongoose-connection-options.js
// mongoose 4.3.x
var mongoose = require('mongoose');
* Mongoose by default sets the auto_reconnect option to true.
* We recommend setting socket options at both the server and replica set level.
* We recommend a 30 second connection timeout because it allows for
* plenty of time in most operating environments.
var options = { server: { socketOptions: { keepAlive: 1, connectTimeoutMS: 30000 } },
hengkiardo / elasticsearch-docker-script
Created Jan 23, 2016 — forked from mschoch/elasticsearch-docker-script
A script to fix ownership of Elasticsearch data directory (when mounted as a volume in docker), then switch to elasticsearch user and launch elasticsearch
View elasticsearch-docker-script
# fix permissions (wrong if docker mounted volume)
chown -R elasticsearch:elasticsearch /var/lib/elasticsearch
# now switch to elasticsearch user and run in foreground
echo Starting: /usr/share/elasticsearch/bin/elasticsearch -Des.default.config=$CONF_FILE -Des.default.path.home=/usr/share/elasticsearch -Des.default.path.logs=$LOG_DIR -Des.default.path.conf=$CONF_DIR $@
su elasticsearch -s /bin/sh -c "/usr/share/elasticsearch/bin/elasticsearch -Des.default.config=$CONF_FILE -Des.default.path.home=/usr/share/elasticsearch -Des.default.path.logs=$LOG_DIR -Des.default.path.conf=$CONF_DIR $@"
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