fabiolimace

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

fabiolimace

Code is clean if it can be understood easily – by everyone on the team. Clean code can be read and enhanced by a developer other than its original author. With understandability comes readability, changeability, extensibility and maintainability.

---

General rules

1. Follow standard conventions.
2. Keep it simple stupid. Simpler is always better. Reduce complexity as much as possible.
3. Boy scout rule. Leave the campground cleaner than you found it.
4. Always find root cause. Always look for the root cause of a problem.

Design rules

fabiolimace

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?

fabiolimace

Markdown Text 101

Want to inject some flavor into your everyday text chat? You're in luck! Discord uses Markdown, a simple plain text formatting system that'll help you make your sentences stand out. Here's how to do it! Just add a few characters before & after your desired text to change your text! I'll show you some examples...

Sweet Styles

Italics *italics* or _italics_

Underline italics __*underline italics*__

fabiolimace

http://www.oreilly.com/data/free/files/2014-data-science-salary-survey.pdf
http://www.oreilly.com/data/free/files/2015-data-science-salary-survey.pdf
http://www.oreilly.com/data/free/files/Data_Analytics_in_Sports.pdf
http://www.oreilly.com/data/free/files/advancing-procurement-analytics.pdf
http://www.oreilly.com/data/free/files/ai-and-medicine.pdf
http://www.oreilly.com/data/free/files/analyzing-data-in-the-internet-of-things.pdf
http://www.oreilly.com/data/free/files/analyzing-the-analyzers.pdf
http://www.oreilly.com/data/free/files/architecting-data-lakes.pdf
http://www.oreilly.com/data/free/files/being-a-data-skeptic.pdf
http://www.oreilly.com/data/free/files/big-data-analytics-emerging-architecture.pdf

fabiolimace

How to optimize / defrag ext4 filesystem

Make sure the target filesystem is sane

Open up the terminal and run:

sudo fsck.ext4 -y -f -v /dev/<disk/partition>

fabiolimace

SET UTF-8
TRY áàãâéêíóõôúüçesianrtolcdugmphbyfvkwjqxz

#   VERO - Verificador Ortográfico Livre - Versão 3.2
#   Copyright (C) 2006 - 2013  por Raimundo Santos Moura
#   <[email protected]>
#   Brasil - outubro 2013
#   Este é um dicionário para correção ortográfica da língua Portuguesa
#   para o Hunspell.
#   Este programa é livre e pode ser redistribuído e/ou modificado nos

fabiolimace

Comparison of syntax extensions in Markdown flavors

I created a crude comparison of the syntax of the various common Markdown extensions to have a better view on what are the most common extensions and what is the most widely accepted syntax for them. The list of Markdown flavors that I looked at was based on the list found on CommonMark's GitHub Wiki.

Flavor	Superscript	Subscript	Deletion* Strikethrough	Insertion*	Highlight*	Footnote	Task list	Table	Abbr	Deflist	Smart typo	TOC	Math	Math Block	Mermaid
GFM

fabiolimace

import org.junit.Test;

import java.lang.ref.WeakReference;

import static org.junit.Assert.assertNull;

public class ThreadLocalWeakRefTest {
  /**
   * Many Java web servers and containers go out of their way to find and null
   * out ThreadLocals that an application might have created. Question is, is

fabiolimace

#!/bin/bash

INIT_TABLE_ROWS=20000000
PGBENCH_TRANSACTIONS_PER_CLIENT=100000
PGBENCH_CLIENTS=10

run_test() {
  echo "$(date +%y%m%d.%H%M) STARTING TEST $1"

  pg_stop