One of blogs that I enjoy reading is The Daily WTF. Recently there was this article that highlighted some weird Geoinformatics WTF. What was interesting was that the comments on this post revolved around the performance of counting digits. Should somebody use Math.Log10 or do some basic counting. 1var digits = 0; …

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Short post -- ended up switching from sqlx to db.v3 since I felt that the sqlx layer was more likely to be error prone. db.v3 example 1func (u *UserService) UpdateUser(user *model.User, args struct { 2 Name *string 3 Email *string 4 Password *string 5}) (*model.User, error) { 6 update := make(map[string]interface{}) 7 …

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Performance of JavaScript object reduce Just a short post to look at assumptions. A few weeks ago was having one of those classic debates with a co-worker about the performance of object construction. Since with ES6 it is very easy to write: 1const obj = data.reduce((acc, [k, v]) => ({ ...acc, [k]: v }), {}); I had …

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The classic problem in cloud engineering is that you have a bunch of API keys, secrets and passwords you need to have available to your code but not available to others. The ideal solution looks like: You have your secrets in Git so you can merge them into config files They're not availble to anybody who gets a copy of …

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TL;DR version - Use UUIDs, but make them save space. Generating Unique IDs Do you key your whole system by database generated IDs that are autoincrementing integers. As you probably know that means that your APIs and endpoints are ready targets for somebody who wants to test lots of differt IDs against them. After all …

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Writing a react and redux appliction is a great experience, we all have seen the vision of great applications. However every time you sit down to work on your application there are times that the boilerplate is killing you. In most Redux applications you start seeing it very quickly, since there are great initial demos …

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This is really just a short post saying I discovered a really handy MacOS/Linux tool I hadn't seen before. Autoenv is a very handy tool for managing environments. Why would you need this? If you've ever done any quantity of Python or Go work you're probably using virtualenvwrapper or gvm to manage all of the different …

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GraphQL DateTime Scalar Value Strings are not your friend when it comes to date time types. The problem is that with the naive definition you'll get the wrong value. For starters the naive definition looks like this: 1// GraphQL 2// type Object { 3// updated_at String 4// } 5// 6 7// The Go structure definition 8struct …

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This is some useful inisights I've gained, that are worth noting. The code examples are from a gist clone that I'm playing around with, it's easier to have a "known" problem and target to experiment with software than trying to do both at the same time. React What's clear is that with appropriate use of …

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These are really cliff notes for the next person, but quite useful. Was working with Spark in a local Docker using the very useful jupyter/docker-stacks, these are really nice to get a fully working Spark installation on your Mac without messing with lots of packages on your local machine. I’m now a big convert of …

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