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Explain It Like I'm 5 - Why Are Hashes Irreversible?
How to explain hashing algorithms to 5-year olds? Well... I'll do my best in this post, which comes with a video too!...
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Using Constraints to Protect Calendar Data in PostgreSQL
Think about the lines of code you would have to write in order to manage a scheduling system. Duration checks, start and end time requirements as well as checking for overlap! You could spend a few days writing all that code or you could let PostgreSQL do it better with 5 lines of SQL....
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Handling Dates and Times Properly in Postgres
Handling dates properly is delicate business and, thankfully, Postgres gives you many tools to help make sure you store date information correctly. But that only works if you know what's going on!...
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Fast and Simple Web Apps with Nitro
Nitro is an exciting web server created by the unjs team, who are also the people behind Nuxt. Nitro is a study in simplicity and a wonderful tool for your JS belt....
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Creating a Full Text Search Engine in PostgreSQL, 2022
Writing a full text index in PostgreSQL is an art form. You need to know what your users are looking so you can build the right index AND you need to understand how they write their search terms. Thankfully, Postgres is here to help....
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The Fabulous Linked List
It’s always fun to study the basics, and in this video we dive into the linked list and how to create one from scratch. Sounds ridiculous, but it can rescue an interview!...
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What's the Difference Between Vue 2.0 and Vue 3.0?
The third version of a framework, library or tool generally sucks, at least in my experience. Will this be the case with Vue 3? Let’s find out!...
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Importing a CSV Into PostgreSQL Like a Pro
Importing data into PostgreSQL can be time consuming and painful – unless you toss the GUI tools and use scripts....
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Big O Notation
Understanding Big O has many real world benefits, aside from passing a technical interview. In this post I'll provide a cheat sheet and some real world examples....
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What’s the Best Hashing Algorithm for Storing Passwords?
Most people will default to bcrypt when choosing a hashing algorithm for storing sensitive information - but why? Are there other choices? Indeed! In this video we'll take a look at scrypt, PBKDF2 and my favorite: argon2...
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