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Pick a random paper from Zotero
Here’s how to select a paper at random from Zotero. In Zotero, select the folder you want to select the paper from. Open up the Javascript dialog at: Tools → Developer → Run Javascript Paste in the following code This … Continue reading
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Which lines repeat most often in a stack trace?
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.
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Running Eclipse MAT on macOS
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
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Pasting HTML from the macOS clipboard
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
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WARNING: An illegal reflective access operation has occurred
If you’re running a newer version of the JDK (9 or greater), you might have started to see warnings that look like this: WARNING: An illegal reflective access operation has occurred WARNING: Illegal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
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Unescaping strings of stack traces
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
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Stripping leading timestamp from GitHub Action logs
GitHub Action logs start with timestamps. To strip them with sed:
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Automating Slack status changes on macOS
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
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Stomping a local git branch with the remote
When somebody rebases their PR, my local copy of that branch gets out of sync: ➜ keel git:(fix-paused-events) git status On branch fix-paused-events Your branch and ‘luispollo/fix-paused-events’ have diverged, and have 8 and 16 different commits each, respectively. (use “git … Continue reading
J-Bob from the Little Prover
The Little Prover book references a companion proof assistant tool called J-Bob. I had a hard time getting it running using Racket’s Dracula package, here’s how to do it: Install Racket. Install the Dracula package for Racket. On macOS, I … Continue reading