This guide is designed to provide developers with a solid understanding of HIPAA guidelines and their implications for application development. HIPAA is tricky because, unlike PCI, there is no certification entity that can provide developers a rubber stamp of compliance approval. It’s up to developers and companies alike to ensure compliance requirements are implemented properly.

Leaders at Deliveroo, DigitalOcean, Fastly, and Headspace share how their organizations think about reliability and resiliency and their advice to engineering orgs embarking on reliability journeys.

SQL uses a three-valued logic: besides true and false, the result of logical expressions can also be unknown. SELECT NUll = 1 doesn’t return anything, neither false or true.

The aim of this cheat sheet is to provide an easy to use list of common security mistakes and good practices that will help you secure your Docker containers.

Over the last 50 years, we’ve made a lot of progress in developing the Internet from a tiny interconnection of a handful of computers to a worldwide fabric with billions of nodes. During that journey, we’ve learned an enormous amount about how to build networks and the routers that interconnect them. The mistakes that we all made generated some important lessons along the way, for those that chose to learn them

Caching by TTL gives up correctness to gain speed. Before the data is expired, we are serving stale data. How can we avoid TTL and make data refresh as soon as we new data come in?

An interesting observation. TLDR: Sort the files that looks similar yield better zip ratio.

It’s written by AWS engineer themselves so we should definetely checkout when upgrading our RDS database next time.

BetterDev usually won’t include these how-to style link but this shows how powerful our laptop is nowsaday so if you want to get into BigData, don’t be put off by hardware limitation