thomasfaingnaert

Fix for 'A stop job is running for firewalld' on Dell XPS 13.

1. Edit /etc/firewalld/firewalld.conf
2. Set CleanupOnExit=no

Source: https://bugzilla.redhat.com/show_bug.cgi?id=1294415

thomasfaingnaert

sudo snap install communitheme
sudo update-alternatives --install /usr/share/gnome-shell/theme/gdm3.css gdm3.css /snap/communitheme/current/share/gnome-shell/theme/Communitheme/gnome-shell.css 15
sudo sed -ie '/^\[User\]$/,/^\[/ s/^\(XSession=\).*$/\1ubuntu-communitheme-snap/' /var/lib/AccountsService/users/${USER}

thomasfaingnaert

Installation

sudo apt install linux-headers-$(uname -r)
sudo apt install v4l2loopback-dkms
sudo modprobe v4l2loopback exclusive_caps=1

Video file

VIDEO=

thomasfaingnaert

Without timestamps:

#!/usr/bin/env bash

exec > >(tee -ai ~/app-stdout.log) 2> >(tee -ai ~/app-stderr.log >&2)
app $*

With timestamps (requires ts from moreutils):

thomasfaingnaert

#!/usr/bin/env bash

mkfifo pipe     # Created named pipe
program <pipe & # Start program
exec 3>pipe     # Open file descriptor 3, writing to the named pipe

# Write to pipe using printf, echo, cat, ...

exec 3>&-      # Close the named pipe (file descriptor 3)

thomasfaingnaert

#!/usr/bin/env bash

send()
{
    local length=${#1}
    printf "Content-Length: $length\r\n" >pipe
    printf '\r\n' >pipe
    printf ${1//\\/\\\\} >pipe
}

thomasfaingnaert

1. Open PDF in InkScape. Use Poppler/Cairo import.
2. Ungroup all using CTRL + A and CTRL + SHIFT + G.
3. Select what you want to keep and delete the rest using ! and DELETE.
4. Autoresize the canvas using CTRL + SHIFT + R.
5. Save as .EMF file.

thomasfaingnaert

Oneliner to diff a set of files pairwise in different tabs with Vim:

gvim -R -c 'for i in range(1, argc() - 1) | if i % 2 == 1 | rightbelow vertical diffsplit | next | diffthis | else | tabedit | next | endif | endfor' a b c d

thomasfaingnaert

#include <cassert>
#include <cstdint>
#include <iostream>
#include <memory>
#include <sstream>
#include <utility>
#include <vector>

// Visited hierarchy
struct AstBase {

thomasfaingnaert

function run_in_docker()
{
    docker run --rm -i -u "$(id -u):$(id -g)" $DOCKER_IMAGE bash -s
}

# Usage:
run_in_docker <<EOF || echo "Failed!"
set -e
echo "Do something in container..."
EOF