malkab

# TAR
tar -cvf archive.tar folder
tar -xvf archive.tar -C folder_to_deploy --strip 1
tar -tvf archive.tar

# BZ2
tar -jcvf archive.tar.bz2 folder
tar -jxvf archive.tar.bz2 -C folder_to_deploy --strip 1
tar -jtvf archive.tar.bz2

malkab

Interpolating a Range with a Predefined Color Scale

const pointColorScale = d3
  .scaleSequential(d3.interpolateTurbo)
  .domain(extent);

where interpolateTurbo is the predefined color scale and extent is the variable min / max values.

malkab

A List of Useful Linux Software

Open Software:

• FreePlane: Mind Maps;
• GThumb, Shotwell, Shutter: image viewers, each with their own strengths;
• Krita, Glimpse: image editing software, Photoshop like;
• pgAdmin4: PostgreSQL manager, including an ERD editor that generates SQL, very handy to design a database;
• Pomatez: useful timer, Pomodoro-like;
• Variety: versatile wallpaper manager.

malkab

Recipes for SSH

SSH bridge using a in-the-middle machine

The situation:

• A_HOST is a machine that has access to another machine, T_HOST, where the target resource is. For example, a machine able to open a privileged VPN to the resource's machine that B_HOST is unable to open;
• B_HOST is the machine that is unable to open a connection to the T_HOST where the target resource is;
• T_HOST is the machine that has the target resource on port T_PORT;
• T_PORT is the port where the target host T_HOST publish the resource;

malkab

#!/bin/bash

# Get all *.tar files from the remote server app folder, without recursing into folders

rsync -avh --progress --rsh="ssh -i aws-pem" \
  user@host:/path/to/folder/*.tar ~/Desktop


# Complete with exclude and mlkctxt

malkab

# How to log in Docker repositories

# Log into DockerHub repository (default)
# Private repositories at DockerHub must be created manually beforehand
# and set to private
docker login -u USERNAME -p PASSWORD

# Log into GitLab repository
docker login -u USERNAME -p PASSWORD <registry URL>/<namespace>/<project>/<image>

malkab

import * as rx from "rxjs";

/**

  Define a class with a Subject$.

*/
class A {

  /**

malkab

#!/bin/bash

# Color output
jq --color-output . file.json

# Pretty
jq '.' non-pretty.json > pretty.json

malkab

name: sunnsaas_v1-full_backend
root: /home/git/sunnsaas/sunnsaas_v1

startup_window: sunnsaas_v1-full_backend/full_backend

# This shows a custom layout obtained with PREFIX : list-windows after configuring it with PREFIX : resize-pane
# Predefined layouts are: even-horizontal, even-vertical, main-horizontal, main-vertical, and tiled.
windows:
  - sunnsaas_v1-full_backend/full_backend:
      layout: 935c,317x73,0,0{210x73,0,0[210x36,0,0,0,210x36,0,37,4],106x73,211,0[106x18,211,0,1,106x17,211,19,5,106x18,211,37,2,106x17,211,56,3]}

malkab

# -------------------------
#
# Reads JSON from file, process it, and save results
#
# -------------------------
import json

wpBaseFolder = "workpackages/wp-2022-04-13-010-process-heliostat_fields/src"

with open("%s/data/000_in/Hel_Eff_param.json" % wpBaseFolder) as f: