asukakenji

Go (Golang) GOOS and GOARCH

All of the following information is based on go version go1.17.1 darwin/amd64.

GOOS Values

GOOS	Out of the Box
aix	✅
android	✅

joshbuchea

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

joyrexus

collapsible markdown?

CLICK ME

yes, even hidden code blocks!

print("hello world!")

reachlin

  // For all the confusing Prometheus configuration and
  // regular expressions,
  // explained in examples.


  // Remember, there are default values for each item if it's missing.
  // regex is (.*),
  // replacement is $1,
  // separator is ;
  // ,and action is replace 

arsham

go test -run=. -bench=. -benchtime=5s -count 5 -benchmem -cpuprofile=cpu.out -memprofile=mem.out -trace=trace.out ./package | tee bench.txt
go tool pprof -http :8080 cpu.out
go tool pprof -http :8081 mem.out
go tool trace trace.out

go tool pprof $FILENAME.test cpu.out
# (pprof) list <func name>

# go get -u golang.org/x/perf/cmd/benchstat
benchstat bench.txt

andreicristianpetcu

An Ansible summary

Jon Warbrick, July 2014, V3.2 (for Ansible 1.7)

Configuration file

intro_configuration.html

First one found from of

olih

Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

Installing jq

On Mac OS

brew install jq

fideloper

#! /usr/bin/env bash

# Install any build dependencies needed for curl
sudo apt-get build-dep curl

# Get latest (as of Feb 25, 2016) libcurl
mkdir ~/curl
cd ~/curl
wget http://curl.haxx.se/download/curl-7.50.2.tar.bz2
tar -xvjf curl-7.50.2.tar.bz2

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

evantoli

Configure Git to use a proxy

In Brief

You may need to configure a proxy server if you're having trouble cloning or fetching from a remote repository or getting an error like unable to access '...' Couldn't resolve host '...'.

Consider something like: