Go github.com

A lightweight, high-speed immutable database for systems and applications

With immudb you can track changes in sensitive data in your transactional databases and then record those changes permanently in a tamperproof immudb database. This allows you to keep an indelible history of sensitive data, for example debit/credit card transactions.

There are so many options for storing data these days. If you haven’t heard Go Time’s excellent episode on databases yet, Jaana does a great job of explaining some of the trade-offs.

Linode Icon Linode – Sponsored

Linode Kubernetes Engine is here!

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Linode Kubernetes Engine (LKE) is a fully-managed container orchestration engine for deploying and managing containerized applications and workloads. LKE combines Linode’s ease of use and simple pricing with the infrastructure efficiency of Kubernetes. You can now get your infrastructure and workloads up and running in minutes instead of days.

If you’ve been following along with the Changelog infrastructure, you’ll be pleased to know we’re rolling out LKE as we speak. We love what we’ve seen so far! Oh and be sure to use the code changelog2019 or changelog2020 (whichever works) to get our special pricing.

JavaScript roughnotation.com

Create and animate hand-drawn annotations on a web page

Rough Notation uses RoughJS to create a hand-drawn look and feel. Elements can be annotated in a number of different styles. Animation duration and delay can be configured, or just turned off.

Follow the headline link to see it in action on the project’s website. This would be great for product or feature walk-throughs. What would be super cool is some way to use this on any website and send the annotated version to someone for review. Then it could be used for bug reporting, etc.

Y Combinator Icon Y Combinator

How does your company manage its encryption keys?

This was a great question asked this week on Hacker News – 232 comments and counting…

We just had an interesting data loss at work, that was due to data being encrypted at rest. We somehow managed to delete the encryption keys (still figuring out how), which became an obvious problem once our main database instance was rebooted.

Luckily we were able to restore the data, but now I (we) really want to learn what a proper setup would look like.

JavaScript github.com

Easy P2P file transfer powered by WebRTC

This is inspired by Apple’s AirDrop (which is the greatest thing since Napster). ShareDrop lets you transfer files directly between devices without having to upload them to a server first.

ShareDrop allows you to send files to other devices in the same local network (i.e. devices with the same public IP address) without any configuration - simply open www.sharedrop.io on all devices and they will see each other. It also allows you to send files between networks - just click the + button in the top right corner of the page to create a room with a unique URL and share this URL with other people you want to send a file to. Once they open this page in a browser on their devices, you’ll see each other’s avatars.

The major advantage that AirDrop has is that you need an internet connection to discover devices with ShareDrop. The major advantage that ShareDrop has is that you can share between Android and Apple devices.

Tidelift Icon Tidelift – Sponsored

Take the survey, get a "pay the maintainers" t-shirt!

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Our friends at Tidelift need your help. If you develop applications using open source as part of your day job, please take 10 minutes to complete this survey today.

Here’s a few questions they’re excited to get answers to:

  • How is the recession impacting your organization’s use of open source for application development? Is it increasing or decreasing?
  • What percentage of your applications contain open source code? And exactly how much open source code do they have?
  • Does your organization have policies that allow you to contribute to open source?

Take the survey and Tidelift will send you a fresh “Pay the maintainers” t-shirt for your time.

Take the survey, get a "pay the maintainers" t-shirt!

Feross Aboukhadijeh virus.cafe

Virus Cafe: Make a friend in 2 minutes

Hey folks! I built Virus Cafe to help you make a friend in 2 minutes! My goal is to help people stuck indoors because of COVID-19 (or police curfews) to make meaningful connections with strangers.

Here’s how it works:

  1. You are matched with a random partner for a video chat
  2. You’re given a deep question to discuss. You have 2 minutes!
  3. The only rule is: no small talk!

Small talk is the worst and I’m on a mission to eradicate it. I’ve expertly crafted over 200 questions designed to stimulate good conversation and skip past the boring introductions.

Here are a few samples:

  • When in your life have you been the happiest?
  • What would you be willing to die for?
  • What is the biggest lie you’ve told without getting caught?
  • What is a belief you had as a child that you no longer have?
  • What human emotion do you fear the most?
  • If a family member murdered someone, would you report them to the police?
  • What absolutely excites you right now?

I hope you use Virus Cafe to meet a new friend and make a deep connection today.

Nikita Prokopov github.com

Fira Code – a free monospaced font with programming ligatures

Nikita Prokopov is next up on our maintainer spotlight series, so I thought it’d be good to introduce you to his awesome programming font. Here’s the problem he’s trying to solve with Fira Code:

Programmers use a lot of symbols, often encoded with several characters. For the human brain, sequences like ->, <= or := are single logical tokens, even if they take two or three characters on the screen. Your eye spends a non-zero amount of energy to scan, parse and join multiple characters into a single logical one. Ideally, all programming languages should be designed with full-fledged Unicode symbols for operators, but that’s not the case yet.

Fira Code – a free monospaced font with programming ligatures

Python github.com

A research framework for reinforcement learning

Acme is a library of reinforcement learning (RL) agents and agent building blocks. Acme strives to expose simple, efficient, and readable agents, that serve both as reference implementations of popular algorithms and as strong baselines, while still providing enough flexibility to do novel research. The design of Acme also attempts to provide multiple points of entry to the RL problem at differing levels of complexity.

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