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Kleber Correia klebervirgilio

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pelf /
Last active Jun 16, 2020
Sublime plugin for anonymising bank statement data
import sublime, sublime_plugin, random, string, re
class AnonymiseCommand(sublime_plugin.TextCommand):
def replacement(self, s):
# Figure out which chars to use
chars = []
if"[a-z]", s):
chars += string.ascii_lowercase
if"[A-Z]", s):
chrismccord /
Last active Mar 25, 2021
Phoenix 1.3.x to 1.4.0 Upgrade Guides

Phoenix 1.4 ships with exciting new features, most notably with HTTP2 support, improved development experience with faster compile times, new error pages, and local SSL certificate generation. Additionally, our channel layer internals receiveced an overhaul, provided better structure and extensibility. We also shipped a new and improved Presence javascript API, as well as Elixir formatter integration for our routing and test DSLs.

This release requires few user-facing changes and should be a fast upgrade for those on Phoenix 1.3.x.

Install the new project generator

The mix archive can now be installed via hex, for a simpler, versioned installation experience.

To grab the new archive, simply run:

joshnuss / udp_server.exs
Last active Jun 15, 2021
Fault tolerant UDP Server in Elixir
View udp_server.exs
# to run:
# > elixir --no-halt udp_server.exs
# to test:
# > echo "hello world" | nc -u -w0 localhost:2052
# > echo "quit" | nc -u -w0 localhost:2052
# Let's call our module "UDPServer"
defmodule UDPServer do
# Our module is going to use the DSL (Domain Specific Language) for Gen(eric) Servers
use GenServer
marianogappa / ordered_parallel.go
Last active Mar 14, 2021
Parallel processing with ordered output in Go
View ordered_parallel.go
Parallel processing with ordered output in Go
(you can use this pattern by importing
This example implementation is useful when the following 3 conditions are true:
1) the rate of input is higher than the rate of output on the system (i.e. it queues up)
2) the processing of input can be parallelised, and overall throughput increases by doing so
3) the order of output of the system needs to respect order of input
- if 1 is false, KISS!
briankung /
Last active Jun 11, 2021
Using pry-rails with Docker

First, add pry-rails to your Gemfile:

gem 'pry-rails', group: :development

Then you'll want to rebuild your Docker container to install the gems

schneems /
Last active Mar 25, 2020
trace where Ruby objects come from with this handy bash 3 liner
echo 'require "objspace"; ObjectSpace.trace_object_allocations_start; Kernel.send(:define_method, :sup) do |obj| ; puts "#{ ObjectSpace.allocation_sourcefile(obj) }:#{ ObjectSpace.allocation_sourceline(obj) }"; end' > tmp/tmp-gemfile
cat Gemfile >> tmp/tmp-gemfile
cat tmp/tmp-gemfile > Gemfile
# $ bundle exec irb
# irb(main):001:0> require 'rails'
# => true
# irb(main):002:0> sup(Rails)
# /Users/richardschneeman/.gem/ruby/2.4.0/gems/railties-
hasanozgan / mixin.go
Created Dec 31, 2015
golang mixin sample
View mixin.go
package main
import "fmt"
type Shape interface {
type Circle struct{}
sysctl -w fs.file-max=12000500
sysctl -w fs.nr_open=20000500
ulimit -n 4000000
sysctl -w net.ipv4.tcp_mem='10000000 10000000 10000000'
sysctl -w net.ipv4.tcp_rmem='1024 4096 16384'
sysctl -w net.ipv4.tcp_wmem='1024 4096 16384'
sysctl -w net.core.rmem_max=16384
sysctl -w net.core.wmem_max=16384
sudo dpkg -i erlang-solutions_1.0_all.deb
View patch-edid.rb
# Create display override file to force Mac OS X to use RGB mode for Display
# see
require 'base64'
data=`ioreg -l -d0 -w 0 -r -c AppleDisplay`
akitaonrails / upgrading-vagrant-fusion.mdown
Created Oct 24, 2013
Upgrading Vagrant from the default Virtualbox provider to VMWare Fusion on the Mac
View upgrading-vagrant-fusion.mdown

I had some headaches yesterday while trying to upgrade to VMWare Fusion with Vagrant.

The steps that work are:

  • export your boxes from Virtualbox to OVA files
  • run 'vagrant destroy' on all your boxes
  • uninstall Virtualbox using the uninstaller script in the installer DMG
  • download VMWare Fusion
  • run 'vagrant plugin install vagrant-vmware-fusion' to install the provider plugin
  • run 'vagrant plugin license vagrant-vmware-fusion license.lic' to install the license you just bought