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@craiglabenz
craiglabenz / chat_message_render_box.dart
Last active November 11, 2025 11:22
Demonstrates a custom RenderObject that draws chat messages like WhatsApp, where the `sentAt` timestamp is tucked into the last line if it fits
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
*/
I took this code from a production app and abbreviated it.
You can't copy and paste this code.
The code is not complete.
This is just to give you and idea how to play videos in scroll views in flutter
*/
Widget _videoScrollView() {
const Key centerKey = ValueKey<String>('video-sliver-list');
return CustomScrollView(
@jagrosh
jagrosh / Github Webhook Tutorial.md
Last active January 11, 2026 14:48
Simple Github -> Discord webhook

Step 1 - Make a Discord Webhook

  1. Find the Discord channel in which you would like to send commits and other updates

  2. In the settings for that channel, find the Webhooks option and create a new webhook. Note: Do NOT give this URL out to the public. Anyone or service can post messages to this channel, without even needing to be in the server. Keep it safe! WebhookDiscord

Step 2 - Set up the webhook on Github

  1. Navigate to your repository on Github, and open the Settings Settings
@alopresto
alopresto / gpg_git_signing.md
Last active July 1, 2025 15:59
Steps to enable GPG signing of git commits.

If anyone is interested in setting up their system to automatically (or manually) sign their git commits with their GPG key, here are the steps:

  1. Generate and add your key to GitHub
  2. $ git config --global commit.gpgsign true ([OPTIONAL] every commit will now be signed)
  3. $ git config --global user.signingkey ABCDEF01 (where ABCDEF01 is the fingerprint of the key to use)
  4. $ git config --global alias.logs "log --show-signature" (now available as $ git logs)
  5. $ git config --global alias.cis "commit -S" (optional if global signing is false)
  6. $ echo "Some content" >> example.txt
  7. $ git add example.txt
  8. $ git cis -m "This commit is signed by a GPG key." (regular commit will work if global signing is enabled)
@Kartones
Kartones / postgres-cheatsheet.md
Last active January 16, 2026 01:55
PostgreSQL command line cheatsheet

PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

  • -E: will describe the underlaying queries of the \ commands (cool for learning!)
  • -l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)