Better Dev Link

In this post, I’ll go through some of the perhaps obscure Git config settings that I have personally globally enabled and go into them to explain what they do and why they should probably be the default settings.

Do you want to be able to discover chromecast device on your network and broadcast arbitrary media to it? Sure, there is many tools to do it. But what is the protocol behind it. This is a 4 part series dive into that. We will learn the basic, the protocol, the casting server and gotcha.

A Minecraft clone from scratch with only modern OpenGL. No game engines or frameworks. Using Go so it’s very h igh level and easy to follow.

Switches, bridges, routers, load balancers, firewalls—these network boxes keep the internet running. Routing, blocking, mirroring, duplicating and deduplicating traffic in ways most people never think about. Without them, this document wouldn’t have reached you

We had been featuring this series in previos issue. In this part we will learn how to evaluate a SQL query. If you are interesting of understanding deep into your stack, these article provide great approach into learning and rebuilding them.

Sometimes you just want to know how fast your code can go, without benchmarking it. Sometimes you have benchmarked it and want to know how close you are to the maximum speed. Often you just need to know what the current limiting factor is, to guide your optimization decisions.

Scaling PostgreSQL successfully doesn’t always require a full team of DBAs and experts. The beauty of PostgreSQL is that solutions often lie within the database itself - by rethinking your data access patterns from first principles, you can solve many business problems at scale.

What do you do with your unclosed browser tabs? I find that they take up a lot of screen space. So this week I figured out how to run pong inside mine.

Implementing video streaming might be a pain for some cases, especially when we talk about memory management alongside scalability of the application. One common way is using HTTP Live Streaming Protocol where a single video could be broken down into smaller chunks and sent through multiple HTTP requests. But then we need to transcode video ahead of time. Can we stream MP4 file? has it playable asap instead of downloading whole video? Turn out we can thank to the modern browser support of byte “Rang: byte” header.

WireGuard is a very powerful VPN which support multiple topology and routing. Can come in very handy when you want to perform complex routing, especially in environment where you want to control egress. Give this a read to learn about these setups: Site Gateway as a Spoke, Internet Gateway as a Spoke, Chain of Hubs, Hub is Also a Site Gateway.

interning is a technique of storing only one copy of each unique piece of data in memory.Very common use in string so we don’t need to store the string multiple time. Imagine big JSON document with repeated field. In this post we look into a time series database and how interning help with different data type.

A tale into debugging a Java program to see why it use all 32 cores.