greenstevester

April 2026 TLDR setup for Ollama + Gemma 4 on a Mac mini (Apple Silicon) — auto-start, preload, and keep-alive

April 2026 TLDR Setup for Ollama + Gemma 4 on a Mac mini (Apple Silicon)

Prerequisites

• Mac mini with Apple Silicon (M1/M2/M3/M4/M5)
• At least 16GB unified memory for Gemma 4 (default 8B)
• macOS with Homebrew installed

alexrudall

How to add ChatGPT streaming to your Ruby on Rails 7 app!

This guide will walk you through adding a ChatGPT-like messaging stream to your Ruby on Rails 7 app using ruby-openai, Rails 7, Hotwire, Turbostream, Sidekiq and Tailwind. All code included below!

Want more content like this, for free? Check out my free book, RailsAI!

• Follow me on Twitter for more Ruby AI at https://twitter.com/alexrudall
• Released under the MIT License - use as you wish :)

abatilo

package gogptindex

import (
	"context"
	_ "embed"
	"encoding/json"
	"fmt"
	"net/http"
	"os"
	"os/signal"

hopsoft

Smart Heroku Review Apps managed by GitHub Actions

This gist aims to provide a simple solution for managing Heroku Review Apps with GitHub Actions due to the security incident that continues to disrupt Heroku's GitHub integration. Watch the demo to learn more.

.github
├── workflows
│   ├── heroku_review_app_create.yml

ManickYoj

def uninterruptable_operation(iteration)
  puts "[INFO #{Time.now}] Start operation, iteration #{iteration}. Part " \
    "one: Eg. we might long poll for messages here"

  sleep(5)

  puts "[INFO #{Time.now}] Operation part two. Eg. we might process " \
    "messages here."

  sleep(1)

jsierles

# syntax = docker/dockerfile:experimental
FROM node

ARG NPM_TOKEN=no
ARG APP_ENV=production
ENV AWS_DEFAULT_REGION=ams3
ARG AWS_ACCESS_KEY_ID
ARG AWS_SECRET_ACCESS_KEY

RUN pip install awscli

uyorum

FROM centos:7 as builder

RUN yum install -y git make gcc bzip2 openssl-devel libyaml-devel libffi-devel readline-devel zlib-devel gdbm-devel ncurses-devel && \
  git clone https://github.com/rbenv/ruby-build.git && \
  PREFIX=/usr/local ./ruby-build/install.sh

ARG RUBY_VERSION
ENV RUBY_VERSION=${RUBY_VERSION:-2.7.3}
ENV RUBY_DIR=/usr/local/ruby-${RUBY_VERSION}
RUN /usr/local/bin/ruby-build ${RUBY_VERSION} ${RUBY_DIR}

ChristopherA

Brew Bundle Brewfile Tips

Copyright & License

Unless otherwise noted (either in this file or in a file's copyright section) the contents of this gist are Copyright ©️2020 by Christopher Allen, and are shared under spdx:Creative Commons Attribution Share Alike 4.0 International (CC-BY-SA-4.) open-source license.

Sponsor

If you more tips and advice like these, you can become a monthly patron on my GitHub Sponsor Page for as little as $5 a month; and your contributions will be multipled, as GitHub is matching the first $5,000! This gist is all about Homebrew, so if you like it you can support it by donating to them or becoming one of their Github Sponsors.

knrt10

# Don't print a new line at the start of the prompt
add_newline = false

# Replace the "❯" symbol in the prompt with "➜"
[character]      # The name of the module we are configuring is "character"
symbol = "➜"     # The "symbol" segment is being set to "➜"
error_symbol = "✗"
use_symbol_for_status = true

# Disable the package module, hiding it from the prompt completely

normal-carrot

Complete solution for websites hosting

This gist contains example of how you can configure nginx reverse-proxy with autmatic container discovery, SSL certificates generation (using Let's Encrypt) and auto updates.

Features:

• Automatically detect new containers and reconfigure nginx reverse-proxy
• Automatically generate/update SSL certificates for all specified containers.
• Watch for new docker images and update them.
• Ban bots and hackers who are trying to bruteforce your website or do anything suspicious.