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@fernandoaleman
fernandoaleman / redis-cannot-allocate-memory.txt
Last active March 1, 2023 14:14
redis bgsave failed because fork Cannot allocate memory
Modify /etc/sysctl.conf and add
vm.overcommit_memory=1
Then restart sysctl by:
$ sudo sysctl -p /etc/sysctl.conf
@Dextaa
Dextaa / user-data.sh
Last active July 23, 2018 08:19
Accompanies http://derekdougans.blogspot.com/2016/11/running-zookeeper-and-kafka-in-aws-auto.html
#!/bin/bash
# Use whichever region you're working in
export AWS_DEFAULT_REGION=eu-west-1
# Make ec2-user's home dir the install to make it easier to navigate when subsequently ssh-ing in to instances
su ec2-user -
cd /home/ec2-user
echo Working dir is `pwd`
@djaiss
djaiss / gist:85a0ada83e6bca68e41e
Last active September 30, 2025 06:54
Block Twitter/Facebook in your /etc/hosts
# Block Facebook IPv4
127.0.0.1 www.facebook.com
127.0.0.1 facebook.com
127.0.0.1 login.facebook.com
127.0.0.1 www.login.facebook.com
127.0.0.1 fbcdn.net
127.0.0.1 www.fbcdn.net
127.0.0.1 fbcdn.com
127.0.0.1 www.fbcdn.com
127.0.0.1 static.ak.fbcdn.net
@cjwebb
cjwebb / jsonschema.scala
Created June 17, 2015 09:50
Basic JSON Schema validation with Scala and https://github.com/fge/json-schema-validator
import com.github.fge.jsonschema.core.report.ProcessingMessage
import scala.collection.JavaConversions._
import com.fasterxml.jackson.databind.JsonNode
import com.github.fge.jsonschema.main.JsonSchemaFactory
import org.json4s._
import org.json4s.jackson.JsonMethods._
@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&rep=rep1&t
@jbenet
jbenet / simple-git-branching-model.md
Last active July 21, 2025 21:02
a simple git branching model

a simple git branching model (written in 2013)

This is a very simple git workflow. It (and variants) is in use by many people. I settled on it after using it very effectively at Athena. GitHub does something similar; Zach Holman mentioned it in this talk.

Update: Woah, thanks for all the attention. Didn't expect this simple rant to get popular.

@dypsilon
dypsilon / backendDevelopmentBookmarks.md
Last active October 9, 2025 13:51
Backend Engineering Bookmarks
@dypsilon
dypsilon / frontendDevlopmentBookmarks.md
Last active October 26, 2025 08:45
A badass list of frontend development resources I collected over time.