zalom

People

:bowtie:	😄 :smile:	😆 :laughing:
😊 :blush:	😃 :smiley:	☺️ :relaxed:
😏 :smirk:	😍 :heart_eyes:	😘 :kissing_heart:
😚 :kissing_closed_eyes:	😳 :flushed:	😌 :relieved:
😆 :satisfied:	😁 :grin:	😉 :wink:
😜 :stuck_out_tongue_winking_eye:	😝 :stuck_out_tongue_closed_eyes:	😀 :grinning:
😗 :kissing:	😙 :kissing_smiling_eyes:	😛 :stuck_out_tongue:

zalom

#!/bin/bash

# generate new personal ed25519 ssh key
ssh-keygen -o -a 100 -t ed25519 -f ~/.ssh/id_ed25519 -C "rob thijssen <rthijssen@gmail.com>"

# generate new host cert authority (host_ca) ed25519 ssh key
# used for signing host keys and creating host certs
ssh-keygen -t ed25519 -f manta_host_ca -C manta.network

eval "$(ssh-agent -s)"

zalom

Steps to install and run PostgreSQL 9.2 using Homebrew (Mac OS X)
(if you aren't using version 9.1.5, change line 6 with the correct version)

1. launchctl unload -w ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
2. mv /usr/local/var/postgres /usr/local/var/postgres91
3. brew update
4. brew upgrade postgresql
5. initdb /usr/local/var/postgres -E utf8
6. pg_upgrade -b /usr/local/Cellar/postgresql/9.1.5/bin -B /usr/local/Cellar/postgresql/9.2.0/bin -d /usr/local/var/postgres91 -D /usr/local/var/postgres
7. cp /usr/local/Cellar/postgresql/9.2.0/homebrew.mxcl.postgresql.plist ~/Library/LaunchAgents/

zalom

Keybase proof

I hereby claim:

• I am zalom on github.
• I am zalom (https://keybase.io/zalom) on keybase.
• I have a public key ASAnYjmH8P-h5xkABwoudqoGZ3ouQXnJ8q6nfDrLpSf2sQo

To claim this, I am signing this object:

zalom

http://stackoverflow.com/questions/22667401/postgres-json-data-type-rails-query
http://stackoverflow.com/questions/40702813/query-on-postgres-json-array-field-in-rails

#payload: [{"kind"=>"person"}]
Segment.where("payload @> ?", [{kind: "person"}].to_json)

#data: {"interest"=>["music", "movies", "programming"]}
Segment.where("data @> ?",  {"interest": ["music", "movies", "programming"]}.to_json)
Segment.where("data #>> '{interest, 1}' = 'movies' ")
Segment.where("jsonb_array_length(data->'interest') > 1")

zalom

• Download Franz for your distribution from MeetFranz.com
• change into the same directory as the downloaded file, then sudo tar -xf Franz-linux-x64-0.9.10.tgz -C /opt/franz
• (optional) wget "https://cdn-images-1.medium.com/max/360/1*v86tTomtFZIdqzMNpvwIZw.png" -O franz-icon.png then sudo cp franz-icon.png /opt/franz
• (optional) sudo touch /usr/share/applications/franz.desktop then sudo vim /usr/share/applications/franz.desktop

paste the following lines into the file, then save the file:

[Desktop Entry]
Name=Franz
Comment=

zalom

Set of terminal directives for adding a correct screen resolution for a connected Samsung SyncMaster 2233BW on Ubuntu 16.04

Check for the correct device that is connected

  xrandr

Create the correct resolution (this one is for Samsung SyncMaster 2233BW)

 sudo cvt 1680 1050 75

zalom

Download videos from egghead

1. Install the React Developer Tools Chrome Extension.

2. Go to the egghead website, i.e. Getting Started with Redux

3. Click View -> Developer -> Javascript Console, then the React tab, then

   1. Click on <NextUpLessonList ...> tag.
   2. If the first option is not available then find and click on a <_ listType="course" list={... > tag or enter lessons in a search field and look for <inject-t-with-lessonScreenStore lessons=[{...}, {...}, {...}, ...] in results list (and then click on it).

zalom

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

zalom

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"