zsh’s numeric glob operator beats bash for disk-rotation backups
If your disk is constantly near full and you back files up in batches as new ones land, the shell glob you reach for is usually the wrong shape. Bash’s ? (single…
#reading
36 articles
heymaikol/network-doctor runs your whole network runbook in one pass
The difference between a network problem that takes five minutes to diagnose and one that takes an hour is usually whether you remember to check DNS, MTU, and the proxy in the…
Terminal batch renamers that earn their place in your toolbox
If you have ever sat in front of a folder full of IMG_20260814_xxx.jpg files and typed a for loop in bash to rename them, you have already written the kind of code…
qt designer turns pyqt layout work into drag and drop
There are two ways to build a PyQt GUI. You can hand-write every line of layout code, run it, look at the result, fiddle with a stretch factor, run it again, and…
Eight free Linux duplicate finders ranked by real cost
LinuxLinks published an updated round-up this month of the eight free GUI tools that handle the most common chore most Linux users do not realize they have: cleaning up the duplicate files…
I learned Apple Maps by broken-screen: a working tour of every icon
I switched to Apple Maps after a rental car came with CarPlay built in and I didn’t want to fiddle with Google Maps over a rental phone. That sounds like a small…
Scientific codebases stall when nobody on the team profiles Python
A CUNY astrophysics group spent months building a Python pipeline that took an hour to walk through 200 GB of simulation output. The grad student who wrote it had a good reason…
Building a client-side PDF inverter with PDF.js and PDF-lib
Most PDF readers let you adjust brightness, but very few will invert every color on every page and give you a clean, downloadable file. The freeCodeCamp tutorial by Bhavin Sheth walks through…
heymaikol/network-doctor turns network debugging into plain English
There is a specific kind of network problem that every sysadmin recognizes: the internet is broken, you do not know whether the fault is local, somewhere on the route, or at the…
Scientific Python runs on tooling nobody teaches grad students
A few months into a collaboration with an astrophysics group, the simulation’s post-processing pipeline takes about an hour to walk 200 GB of output tables, and nobody is sure why. The data…