Digests » 347

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SQL Murder Mystery

There's been a Murder in SQL City! The SQL Murder Mystery is designed to be both a self-directed lesson to learn SQL concepts and commands and a fun game for experienced SQL users to solve an intriguing crime.

The #1 bug predictor is not technical, it's organizational complexity

In this post, I'll explore the findings made by Microsoft Research, after the unsuccessful launch of Windows Vista in 2007. Microsoft decided to dig deep and figure out what went wrong.

How tracking pixels work

I spent some time talking to a reporter yesterday about how advertisers track people on the internet. We had a really fun time looking at Firefox’s developer tools together (I’m not an internet privacy expert, but I do know how to use the network tab in developer tools!) and I learned a few things about how tracking pixels actually work in practice!

Email authentication: SPF, DKIM and DMARC out in the wild

Email authentication has had a turbulent history - SMTP did not have a native form of authentication when it was designed, and all modern authentication methods are built on top of that system. This was not a problem in the 1980s because there were simply too few people emailing - the only ones using it were universities and corporations actively involved in building the internet.

A Poor Developer Onboarding Experience Can Kill Your Startup

After expensive recruitment costs and initial lack of productivity, new developers are a huge liability. This can be absorbed by many large companies, but for startups it’s crucial that developers become assets fast.