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@TimurFayruzov
TimurFayruzov / bootstrap.json
Created June 29, 2016 17:42
Setup for running a Flink application on EMR
[
{
"Name": "Ship Flink runtime to cluster",
"Path": "s3://<your_bucket>/flink/ship_flink_runtime.sh"
},
{
"Name": "Ship application to cluster",
"Path": "s3://<your_bucket>/flink/ship_app.sh"
}
]
@mechcozmo
mechcozmo / IAM Permissions List.md
Last active May 8, 2025 04:36
A list of IAM permissions you can use in policy documents. Collected from the myriad of places Amazon hides them. (incomplete)
@justmoon
justmoon / custom-error.js
Last active November 19, 2024 02:40 — forked from subfuzion/error.md
Creating custom Error classes in Node.js
'use strict';
module.exports = function CustomError(message, extra) {
Error.captureStackTrace(this, this.constructor);
this.name = this.constructor.name;
this.message = message;
this.extra = extra;
};
require('util').inherits(module.exports, Error);
@itamarhaber
itamarhaber / scan_del.sh
Created April 20, 2014 22:27
A bash script that deletes Redis keys by pattern using SCAN
#!/bin/bash
if [ $# -ne 3 ]
then
echo "Delete keys from Redis matching a pattern using SCAN & DEL"
echo "Usage: $0 <host> <port> <pattern>"
exit 1
fi
cursor=-1
@trevnorris
trevnorris / perf-flame-graph-notes.md
Last active September 30, 2025 01:16
Quick steps of how to create a flame graph using perf

The prep-script.sh will setup the latest Node and install the latest perf version on your Linux box.

When you want to generate the flame graph, run the following (folder locations taken from install script):

sudo sysctl kernel.kptr_restrict=0
# May also have to do the following:
# (additional reading http://unix.stackexchange.com/questions/14227/do-i-need-root-admin-permissions-to-run-userspace-perf-tool-perf-events-ar )
sudo sysctl kernel.perf_event_paranoid=0
@debasishg
debasishg / gist:8172796
Last active October 19, 2025 00:47
A collection of links for streaming algorithms and data structures

General Background and Overview

  1. Probabilistic Data Structures for Web Analytics and Data Mining : A great overview of the space of probabilistic data structures and how they are used in approximation algorithm implementation.
  2. Models and Issues in Data Stream Systems
  3. Philippe Flajolet’s contribution to streaming algorithms : A presentation by Jérémie Lumbroso that visits some of the hostorical perspectives and how it all began with Flajolet
  4. Approximate Frequency Counts over Data Streams by Gurmeet Singh Manku & Rajeev Motwani : One of the early papers on the subject.
  5. [Methods for Finding Frequent Items in Data Streams](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.187.9800&amp;rep=rep1&amp;t
#!/usr/bin/env python
""" Test HTTP Server
This script starts a http server that will respond to HTTP requests
with a predefined response.
Usage:
./http_server.py --port=8080 --code=404 --content="Page not Found"
@rafeca
rafeca / tag-cleaner.sh
Created October 30, 2012 11:26
Remove the tags that finish with -a1, -a2, -b1, -b2, ...
# First, remove the tags from the origin repository
$ git tag -l | grep -e '-[a-zA-Z][0-9]*$' | awk '{ print ":" $1}' | xargs git push origin
# Then, remove the tags locally
$ git tag -l | grep -e '-[a-zA-Z][0-9]*$' | xargs git tag -d
@ttscoff
ttscoff / flavor.rb
Created September 16, 2012 16:01
Quick wrapper to convert Markdown to HTML via Github API
#!/usr/bin/ruby
# Convert a Markdown README to HTML with Github Flavored Markdown
# Github and Pygments styles are included in the output
#
# Requirements: json gem (`gem install json`)
#
# Input: STDIN or filename
# Output: STDOUT
# Arguments: "-c" to copy to clipboard (or "| pbcopy"), or "> filename.html" to output to a file
# cat README.md | flavor > README.html
@wolfg1969
wolfg1969 / tunnel.conf
Created September 6, 2012 07:05
autossh upstart conf
# tunnel - secure tunnel to my vps
description "ssh tunnel"
start on (local-filesystems and network-device-up IFACE!=lo)
stop on runlevel [!12345]
respawn
respawn limit 5 60 # respawn max 5 times in 60 seconds
umask 022