• README

• Who am I?

Engineering

Reference

• README

How To

• write

• give consistent good PR review

• best practices: Behavioural

• best practices: documentations

• best practices: design

Explanation

• ascii encoding

• Authentication vs Authorization

• event driven v.s. event based architecture

• all lambda in one repository

• full development cycle

• SaaS business model

• Explain Public and Private Key Cryptography like I am 5

Aws

Reference

• AWS cli commands

• serverless architecture

• DynamoDB best practice

• AWS events videos

How To

• WAS IAM

Explanation

• how cognito login works

Devops

Reference

• cloud native at speed with confidence

Terraform

Reference

• terraform language

• terraform cli

Python

Reference

• errors in Requests

How To

• debug in ssh

• get file path to python source codes in iPython with ??

• get celery ran tasks

• find the dependencies of python package

• profile performance in iPython

• run black or flake8 on python code in markdown

• use pdb for debugging

• set timeout in Requests

• use urllib instead Requests

• use a decorator to print function calls

• enable iPython autoload

Explanation

• what is python wheel?

• fileobj vs string vs byte string

Rg

Reference

• rg cli options

• regular expression atoms

How To

• multi lines matching

• search for different casing

• copy rg result into pasteboard for PR description…

Sql

Reference

• postgres cli

How To

• drop column

• rename table

• save query result to a file

• loading curo_sheet in psql

Vim

Reference

• regular expression

• regular expression atoms

• vim9script

How To

• open errors in quickfix

• find mapping source

• find out default python

• match on the second occurrence

• print manual page in color

• extract manpage table of content

• run python in vim terminal

• registers & macros

• apply changes to lines match a pattern

• vim.eval in vim python

• regex look ahead / behind

Explanation

• terminal color scheme

• don’t use as pager or man page reader

• gq formatoption

Book

Reference

• designing data-intensive applications

Docker

Explanation

• how does docker use cache?

• why is the 137 exit code?

Git

How To

• disable the pre commit hook

• use reset soft mixed hard

• rebase with fixing conflicts by always using a branch

Explanation

• understanding git log

• checkout replaced by switch and restore

• .. vs ...

Django

Reference

• best practices

How To

• debugging/pdb for dockerised django

• use Q & F

• use GraphiQL with django debug tool bar

Explanation

• codebase uses lot of inheritances

Sh

How To

• use Command env to print env vars

• resolve DNS IP addresses in Mac

• use command date to convert time format

• use lpr to print hardcopies

• find source code in certain directories

• find the size of current directory

• open vim to edit command line alt+v

Explanation

• shell builtin commands

• busybox

Career

How To

• find a new job: Research Stage

• find a new job: Application Stage

• find a new job: Interview Stage

Personal

Reference

• things needed

• Who am I?

• minimalism

• restaurants recommendations

• gym exercises

How To

• think about success besides money and company name

Explanation

• note about these notes