System design (HLD) for a hotel booking service by a FAANG Senior Engineer that has reviewed over 100 design documents. 📚
This video will cover the complete high-level design and data flow diagrams for the software architecture entailed by this common system…

There are many good reasons to write automated tests: They can help drive, or provide feedback on, the implementation. They act as living documentation / proof of what the program does.They prevent…

Posted in r/programming by u/michalg82 • 357 points and 36 comments

Posted in r/programming by u/michalg82 • 128 points and 24 comments

On October 7th, Toyota revealed a partial copy of their T-Connect source code had been accidentally exposed for 5 years, including access to data for over 290,000 customers.

Posted in r/programming by u/ElJorro • 206 points and 19 comments

What I've learned in the year since posting my salary history publicly.

Since the initial announcement of Fleet, we have had an overwhelming amount of interest from all of you, with over 137,000 people signing up for the private preview. Our reason for starting with a clo

Posted in r/programming by u/feross • 542 points and 91 comments

Refactoring a checksum until it runs 100 times faster

Storage isn't getting that much cheaper. And neither is AWS S3.

What's are the implications?

(h/t Peter Cai for the graph) pic.twitter.com/ZdZrgIh8bQ

— Matt Rickard (@mattrickard) March 18, 2021



Clayton Christensen famously demonstrated the Innovator's…

**October 13, 2022** - The PostgreSQL Global Development Group today announced the release of [PostgreSQL 15](https://www.postgresql.org/docs/15/release-15.html), the latest version of …

WheatSystem specification and software resources:
http://ostracodfiles.com/wheatsystem/menu.html
WheatBox 55A1 webpage:
http://ostracodfiles.com/wheatbox55a1/main.html

SINGAPORE - Mr Gazali Ahmad tried his hand at a series of jobs in sectors including education and finance before settling behind the wheel of a taxi for six years at age 45. Feeling unsatisfied and stuck in his career, he decided in March 2021 to enrol in…

I had fun playing Breakout on a 832-core Azure VM today in my @MS_Ignite Azure Innovations session. Here's the demo video if you missed it:

There have been a lot of significant changes merged into the mainline for
the 6.1 release, but one of the changes that has received the most
attention will also have the least short-term effect for users of the
kernel: the introduction of support for the…

Interactive sketches to illustrate SOLID programming principles with real-world examples

Insights, updates, and technical deep dives on building a high-performance financial transactions database.

These Popular Extensions Solve Problems That Don’t Exist (Anymore)