Marc Abramowitz

A one-liner to install my iOS app on my iPhone, no Xcode GUI

I've been building Lexitaire mostly from the command line these days — Xcode stays open for breakpoints and previews, but building, running, and installing don’t need it. The one piece I hadn’t automated yet was...

Mac

Flushing the DNS cache on macOS

Every so often macOS holds onto a DNS answer longer than it should — you've just repointed a domain, switched VPNs, or fixed a broken record, and your Mac is still confidently resolving the old one. The fix is a one-liner: sudo...

Python

Unify Saved Me from Manual Quote Hell

Ever had a coding style quirk that slowly drives you mad? At work, our team follows the Black code style — with one exception: single quotes over double. Seems harmless, right? It turns out this one tiny deviation spawns a...

General

Digging into Nix

I've heard good things about Nix. It's time to take it for a spin. abramowi at marcs-mbp-3 in ~ $ curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install info: downloading installer...

General

Time to revive this blog

I last posted to this blog in 2015. Wow. Time to get things going again, I think...

DebianLinuxUbuntu

Repair MongoDB after an unclean shutdown

This was on an Ubuntu 14.04 VM: vagrant@vagrant-ubuntu-trusty-64:~$ sudo -u mongodb mongod --repair --dbpath /var/lib/mongodb

ProgrammingPython

Seeing info when changing virtualenvs with virtualenvwrapper

I wanted to see a bit about virtualenvs when I activate them with workon from virtualenvwrapper. I added the following to $VIRTUALENVWRAPPER_HOOK_DIR/postactivate: #!/bin/bash # This hook is run after every virtualenv is...