sandro

$ irb -r ./select_server
>> client.puts "hi"
=> nil
>> client.puts "bye"
=> nil
>> client.close
=> nil
>> exit

xuhdev

# Makefile template for a shared library in C
# https://www.topbug.net/blog/2019/10/28/makefile-template-for-a-shared-library-in-c-with-explanations/

CC = gcc  # C compiler
CFLAGS = -fPIC -Wall -Wextra -O2 -g  # C flags
LDFLAGS = -shared   # linking flags
RM = rm -f   # rm command
TARGET_LIB = libtarget.so  # target lib

SRCS = main.c src1.c src2.c  # source files

guilhermesimoes

# gem install benchmark-ips

require "benchmark/ips"

path = "lib/rubycritic/cli/options.rb"

Benchmark.ips do |x|
  x.report("read + each_line") { File.read(path).each_line.count }

  x.report("open + each_line") { File.open(path, "r").each_line.count }

magnetikonline

Nginx upstream HTTP keepalive config example

As per Nginx documentation, the key directives of proxy_http_version and proxy_set_header need to be set as per below:

upstream backend {
	server 127.0.0.1:8080;
	keepalive 8;
}

server {

jeffweiss

defmodule MyApp.Mixfile do
  use Mix.Project

  def project do
    [app: :my_app,
     version: get_version,
     elixir: "~> 1.0",
     elixirc_paths: elixirc_paths(Mix.env),
     compilers: Mix.compilers,
     build_embedded: Mix.env == :prod,

tomykaira

require 'connection_pool'

def open_pool
  pool = ConnectionPool.new { File.open('/dev/null', 'r') }
  class << pool
    def fileno
      with { |fd| fd.fileno }
    end
  end
  pool

wbotelhos

require 'sidekiq/api'

# 1. Clear retry set

Sidekiq::RetrySet.new.clear

# 2. Clear scheduled jobs 

Sidekiq::ScheduledSet.new.clear

UA3MQJ

‽Erlang/OTP 19 [erts-8.3] [64-bit] [smp:8:8] [async-threads:10]

Interactive Elixir (1.4.4) - press Ctrl+C to exit (type h() ENTER for help)
iex(1)> c("tst_gen.ex")
[TstGen]
iex(2)> 
nil
iex(3)> {:ok, pid} = TstGen.start_link
{:ok, #PID<0.88.0>}
iex(4)>