Category Archives: Uncategorized

I was looking at the stack trace of a stack overflow exception, and it’s looong (1172 lines). I wanted to just see which lines occurred most often. Easy enough with the right incantation of sort and uniq.

If you try to run Eclipse Memory Analyzer (MAT) out of the box on macOS, you’ll likely get an error that you need version 11 or above of Java, even if you have version 11 installed (say, with SDKMAN!). You … Continue reading →

I like to write decision tables in Google Sheets. If you copy to the clipboard, it copies to HTML. Alas, pbpaste doesn’t support pasting HTML, and the text representation throws out too much info. There’s a nice answer on Stack … Continue reading →

If you’re running a newer version of the JDK (9 or greater), you might have started to see warnings that look like this: WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.codehaus.groovy.reflection.CachedClass (file:/Users/myname/.gradle/caches/modules-2/files-2.1/org.codehaus.groovy/groovy/2.5.11/4d8f25c5da08af46fb204fd493ec894699a3f4e8/groovy-2.5.11.jar) to method … Continue reading →

I often find myself copying strings of Java stack traces which have escaped tabs and newlines (\t\n). Those aren’t fun to read. Here’s a quick Python script I rigged up to grab what’s on the clipboard and format it properly. … Continue reading →

GitHub Action logs start with timestamps. To strip them with sed:

In these days of everyone working from home, I really liked the approach to setting Slack status that Alex Hidalgo mentioned on Twitter: I wanted to be able to change status from Alfred. Turns out there’s a handy Applescript bundle … Continue reading →

I recently got a new laptop, and I’ve been transferring over all of my settings. I often use Quicksilver to trigger a screen lock or put my laptop to sleep. Here’s how I do it. I use a shell script to put … Continue reading →