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#!/usr/bin/env -S bash -c "docker run -p 8080:8080 -it --rm \$(docker build --progress plain -f \$0 . 2>&1 | tee /dev/stderr | grep -oP 'sha256:[0-9a-f]*')" | |
# syntax = docker/dockerfile:1.4.0 | |
FROM node:20 | |
WORKDIR /root | |
RUN npm install sqlite3 |
This is inspired by A half-hour to learn Rust and Zig in 30 minutes.
Your first Go program as a classical "Hello World" is pretty simple:
First we create a workspace for our project:
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module QrCodeHelper | |
def qr_code(string, options={}) | |
base_size = options.fetch(:width, 200) | |
@qr_logo = options.fetch(:logo, "qr_code_logo.png") | |
@qr_logo_size = options.fetch(:logo_size, 48) | |
level = options.fetch(:level, :l) | |
@qr_data = RQRCode::QRCode.new(string, level: level).to_s.split("\n").collect(&:chars) | |
@qr_size = @qr_data.size |
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{ | |
"emojis": [ | |
{"emoji": "👩👩👧👧", "name": "family: woman, woman, girl, girl", "shortname": ":woman_woman_girl_girl:", "unicode": "1F469 200D 1F469 200D 1F467 200D 1F467", "html": "👩‍👩‍👧‍👧", "category": "People & Body (family)", "order": ""}, | |
{"emoji": "👩👩👧👦", "name": "family: woman, woman, girl, boy", "shortname": ":woman_woman_girl_boy:", "unicode": "1F469 200D 1F469 200D 1F467 200D 1F466", "html": "👩‍👩‍👧‍👦", "category": "People & Body (family)", "order": ""}, | |
{"emoji": "👩👩👦👦", "name": "family: woman, woman, boy, boy", "shortname": ":woman_woman_boy_boy:", "unicode": "1F469 200D 1F469 200D 1F466 200D 1F466", "html": "👩‍👩‍👦‍👦", "category": "People & Body (family)", "order": ""}, | |
{"emoji": "👨👩👧👧", "name": "family: man, woman, girl, girl", "shortname": ":man_woman_girl_girl:", "unicode": "1F468 200D 1F469 200D 1F467 200D 1F467", "html": "👨‍👩&z |
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After automatically updating Postgres to 10.0 via Homebrew, the pg_ctl start command didn't work. | |
The error was "The data directory was initialized by PostgreSQL version 9.6, which is not compatible with this version 10.0." | |
Database files have to be updated before starting the server, here are the steps that had to be followed: | |
# need to have both 9.6.x and latest 10.0 installed, and keep 10.0 as default | |
brew unlink postgresql | |
brew install [email protected] | |
brew unlink [email protected] | |
brew link postgresql |
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# Output a single frame from the video into an image file: | |
ffmpeg -i input.mov -ss 00:00:14.435 -vframes 1 out.png | |
# Output one image every second, named out1.png, out2.png, out3.png, etc. | |
# The %01d dictates that the ordinal number of each output image will be formatted using 1 digits. | |
ffmpeg -i input.mov -vf fps=1 out%d.png | |
# Output one image every minute, named out001.jpg, out002.jpg, out003.jpg, etc. | |
# The %02d dictates that the ordinal number of each output image will be formatted using 2 digits. | |
ffmpeg -i input.mov -vf fps=1/60 out%02d.jpg |
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#!/bin/bash -e | |
D=$(mktemp -d) | |
mkdir -p "$D/o/Pictures" "$D/o/META-INF" | |
echo -n 'application/vnd.oasis.opendocument.presentation' > "$D/mimetype" | |
gs -sDEVICE=png16m -dSAFER -dBATCH -dNOPAUSE -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sOutputFile="$D/o/Pictures/%03d.png" -r254 "$1" | |
pushd "$D/o" |
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brew install homebrew/dupes/apple-gcc42 | |
rbenv install 1.9.3-p484 | |
rbenv global 1.9.3-p484 | |
git clone https://github.com/cowboyd/libv8.git | |
cd libv8 | |
git checkout 3.11 | |
export CC=/usr/local/Cellar/apple-gcc42/4.2.1-5666.3/bin/gcc-4.2 | |
export CXX=/usr/local/Cellar/apple-gcc42/4.2.1-5666.3/bin/g++-4.2 | |
export CPP=/usr/local/Cellar/apple-gcc42/4.2.1-5666.3/bin/cpp-4.2 | |
bundle install |
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require 'rails_helper' | |
RSpec.describe TodosController, :type => :controller do | |
describe "GET #index" do | |
#describe "POST #create" do | |
#describe "GET #show" do | |
#describe "PATCH #update" do (or PUT #update) | |
#describe "DELETE #destroy" do | |
#describe "GET #new" do |
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