0wwafa

To print a GROK chat, paste this code in javascript console:

(function() {
    var a = document.querySelector("body > div > div").children[0].children[1].children[0];
    if (a) {
        const b = window.open("", "_blank", `width=${.85 * window.screen.width},height=${.85 * window.screen.height},left=${.075 * window.screen.width},top=${.045 * window.screen.height}`)
          , e = Array.from(document.styleSheets).map(c => {
            try {
                return Array.from(c.cssRules).map(d => d.cssText).join("\n")
            } catch (d) {

developer-guy

Networking scenarios [Linux Only]

KIND runs Kubernetes cluster in Docker, and leverages Docker networking for all the network features: port mapping, IPv6, containers connectivity, etc.

Docker Networking

KIND uses a docker user defined network.

It creates a bridge named kind

dlaehnemann

Flamegraphing in Rust can now be done with a new cargo subcommand. Please check this out before embarking on the legacy journey below: https://github.com/flamegraph-rs/flamegraph

flamegraphing rust binaries' cpu usage with perf

One-time setup

1. Install perf, using Brendan Gregg's guide: http://www.brendangregg.com/perf.html#Prerequisites
2. Install flamegraph from repo:

pierrejoubert73

How to add a collapsible section in markdown

1. Example

Click me

Heading

1. Foo
2. Bar
   • Baz

• Qux

sasa1977

defmodule RubyServer do
  use GenServer

  def start_link(opts \\ []) do
    GenServer.start_link(__MODULE__, nil, opts)
  end

  def cast(server, cmd) do
    GenServer.cast(server, {:cast, cmd})
  end

efcasado

Erlang QuickCheck

What is QuickCheck?

QuickCheck is a language for stating properties of programs.

?FORALL(X, nat(), X*X >= 0)