davidbarkhuizen

tldr;

to incorporate changes from branch feature_branch into the master branch, retaining commits in master that occurred
subsequent to branching:

$ git checkout master
$ git pull origin
$ git checkout feature_branch
$ git rebase master
[ # if a conflict is found in /model/user.js, then manually resolved

davidbarkhuizen

$ rmdir --ignore-fail-on-non-empty  ~/.local/share/gvfs-metadata
Nautilus > Edit -> Preferences -> Views (tab) -> View New Folders Using > List View

davidbarkhuizen

Raspberry Pi

Specs

Pi 3 Model B

CPU

Aspect	Spec
Arch	ARM RISC ?

davidbarkhuizen

sublime text 3 - cheat sheet

# search for and goto file
ctrl + p

# goto definition
F12

# filter to exclude folder name xxx from search
Where: -*/xxx/*

davidbarkhuizen

# install python postgresql interface libraries
python2:
$ sudo apt-get install python-psycopg2
python3:
$ sudo apt-get install python3-psycopg2

# login to psql
$ sudo -u postgres psql postgres

FILES

davidbarkhuizen

# hackerrank.com > data structures > arrays > array manipulation
# https://www.hackerrank.com/challenges/crush/problem

# this python3 solution passes for tests 0 .. 6, 
# but gives runtime errors for tests 7 .. 13
# while at least test 13 passes on my local machine

#!/bin/python3

import sys

davidbarkhuizen

scala
======

installation (ubuntu)
---------------------

# install jdk
$ sudo apt-get install default-jdk

# install scala lang infrastructure

davidbarkhuizen

REDUCERS

https://redux.js.org/docs/basics/Reducers.html

>> the reducer must be pure. Given the same arguments, it should calculate the next state and return it. No surprises. No side effects. No API calls. No mutations. Just a calculation. <<

BIZ LOGIC - Where Should it Live: in ActionCreators or i Reducers ?

davidbarkhuizen

configuring different ssh keys for different servers

1. create entry in config file @ ~/.ssh/config:

Host host_alias HostName host_name IdentityFile ~/.ssh/rsa_pvt_key User user_name

davidbarkhuizen

git

branch

list all (local + remote) branches

$ git branch -a

create local tracking branches for all remote branches