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@tobi
tobi / Dockerfile
Created January 1, 2022 01:53
# Rails production setup via SQLite3 made durable by https://litestream.io/
# Copy this to Dockerfile on a fresh rails app. Deploy to fly.io or any other container engine.
#
# try locally: docker build . -t rails && docker run -p3000:3000 -it rails
#
# in production you might want to map /data to somewhere on the host,
# but you don't have to!
#
FROM ruby:3.0.2
@bokwoon95
bokwoon95 / comments.sql
Last active February 28, 2025 17:38
how to model threaded comments (e.g. reddit comments) in SQL with a simple 'ancestors' column
-- how to model threaded comments (e.g. reddit comments) in SQL with a simple 'ancestors' column
-- The comment tree:
-- [1]
-- / \
-- [2] [4]
-- / \ \
-- [3] [7] [6]
-- /
-- [5]
@anonoz
anonoz / Dockerfile
Created March 26, 2018 03:13
Sample of multistage Dockerfile for Rails app in production
FROM madnight/docker-alpine-wkhtmltopdf as wkhtmltopdf_savior
# STAGE for bundle & yarn install
FROM ruby:2.4.3-alpine3.7 as builder
ENV CA_CERTS_PATH /etc/ssl/certs/
ENV RAILS_ENV production
ENV RAILS_LOG_TO_STDOUT true
ENV RAILS_SERVE_STATIC_FILES true
@AtulKsol
AtulKsol / db_backup_commands.md
Last active December 28, 2024 02:23
Commands to backup & restore database

  1. pg_dump is a nifty utility designed to output a series of SQL statements that describes the schema and data of your database. You can control what goes into your backup by using additional flags.
    Backup: pg_dump -h localhost -p 5432 -U postgres -d mydb > backup.sql

    Restore: psql -h localhost -p 5432 -U postgres -d mydb < backup.sql

    -h is for host.
    -p is for port.
    -U is for username.
    -d is for database.

@Raminsiach
Raminsiach / rangeslider.html
Created December 18, 2015 10:47
<!DOCTYPE html>
<html>
<head>
<title>Customized range slider, pure CSS</title>
<style>
body {
background: #f8f8f8;
}
.slider {
width: 302px;
@Raminsiach
Raminsiach / toggleswitch.html
Created December 18, 2015 10:45
<!DOCTYPE html>
<html>
<head>
<title>Toggle Switch</title>
<style>
.switch {
position: relative;
}
.switch label {
width: 55px;
@paulirish
paulirish / what-forces-layout.md
Last active March 28, 2025 10:16
What forces layout/reflow. The comprehensive list.

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics
  • elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent
@acdha
acdha / ga-time-to-first-paint.js
Created August 19, 2015 18:33
Record time to first paint on Chrome/IE using Google Analytics user timing
(function ($) {
'use strict';
/* Based on https://github.com/wikimedia/mediawiki-extensions-NavigationTiming/ */
function recordTimeToFirstPaint() {
// Use Chrome's loadTimes or IE 9+'s msFirstPaint to record the time to render in milliseconds:
var firstPaintTime, timingSource;
if ('chrome' in window && $.isFunction(window.chrome.loadTimes)) {
@mariusGundersen
mariusGundersen / post-checkout
Last active August 25, 2022 19:03 — forked from sindresorhus/post-merge
#!/usr/bin/env bash
# MIT © Sindre Sorhus - sindresorhus.com
# git hook to run a command after `git pull` or `git checkout` if a specified file was changed
# Run `chmod +x post-checkout` to make it executable then put it into `.git/hooks/`.
changed_files="$(git diff-tree -r --name-only --no-commit-id HEAD@{1} HEAD)"
check_run() {
echo "$changed_files" | grep --quiet "$1" && echo " * changes detected in $1" && echo " * running $2" && eval "$2"
@lsiden
lsiden / gist:260167a4d3574a580d97
Last active February 7, 2018 17:53
module ActiveRecord::UnionScope
#https://gist.github.com/tlowrimore/5162327
#http://stackoverflow.com/a/15413611/270511
module ActiveRecord::UnionScope
def self.included(base)
base.send :extend, ClassMethods
end
module ClassMethods
def union_scope(*scopes)