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tech

A collection of 8 issues

GraalVM and ChromeDriver in a Docker image for Render.com

This should work on Heroku or in any Docker-based deployment as well. Adding Chrome and ChromeDriver into a GraalVM Docker image isn't as straightforward as I thought. The main complication originates from the fact that GraalVM is lean. There are 2 problems from being lean: (1) microdnf as

Connect Chromecast to a wifi with 2-step sign-in

A Chromecast doesn't support signing in to a wifi that requires you to sign in through a browser. You can imagine most hotels are using this kind of wifis. A wifi with 2-step sign-in is probably using a MAC address as an identifier. Therefore, a way to solve

When high quality conflicts with solving user needs

Imagine you go to the DMV. The DMV has a waiting time of 3 hours. One employee walks up to you and says "oh well hey we have a new beta program for you, and you'll only need to wait 1 minute instead of 3 hours."

An open-sourced Ruby DSL for composing maintainable analytical SQL statements

Repository: https://github.com/tanin47/lilit-sql At the company I work at, we are building an analytics product on top of Presto, which supports SQL as its interface. We have a lot of long SQL statements to power charts, tables, and CSVs. When I say long, a final SQL statement

Analyze log files with SQL using Superintendent.app

I've launched Superintendent.app 6 months ago. Initially, I built it to make me more productive at work since I work with a lot of CSV files, and I loathe using Excel. After building it, I've realized that having a Desktop app that can handle GBs

Use SQL instead of Spreadsheet/Excel

Since starting at a new company, I've been working on an accounting report that comes in the form of CSVs, so I've worked with a lot of CSVs. As a person who knows SQL well but isn't good at Excel, working with CSV files

A programmable tooltip on Mac OS

Several months back, I've started a new job and immediately found myself perform some repetitive micro-workflows like: * Copying an ID, pasting it on the browser URL's bar, typing some url, and hitting enter * Copying a millisecond-from-epoch number, visiting a website that can convert it to human-readable

Edgecases for timezones

Even if we use a great timezone library like tzinfo, a bug might still happen. That's exactly what happened to me. I was building a graph whose x axis is of day frequency. Our database stored data in UTC. Since I wanted the days to be in accordance