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2014
1176

Practical Tmux

Today I switched over completely from GNU Screen to the more modern BSD-licensed alternative, tmux . After making sure that tmux had replacements for all Screen’s key features, I took the plunge, and haven’t looked back. The project’s webpage has a complete list of features available under tmux, but as an everyday…

1183

OS X Command Line Utilities

The OS X Terminal opens up a world of powerful UNIX utilities and scripts. If you’re migrating from Linux, you’ll find many familiar commands work the way you expect. But power users often aren’t aware that OS X comes with a number of its own text-based utilities not found on any other operating system. Learning about…

1192

Pervasive Monitoring Is an Attack

That’s the title of RFC 7258 , also known as BCP 188 (where BCP stands for “Best Current Practice”); it represents Internet Engineering Task Force consensus on the fact that many powerful well-funded entities feel it is appropriate to monitor people’s use of the Net, without telling those people. The consensus is…

1196

PHP: a fractal of bad design

(This article has been translated into Spanish (PDF, with some additions) by Jorge Amado Soria Ramirez — thanks!) Preface I’m cranky. I complain about a lot of things. There’s a lot in the world of technology I don’t like, and that’s really to be expected—programming is a hilariously young discipline, and none of us

1198

Categories from scratch

Note The latest version of this document can be found online at https://dr-knz.net/categories-from-scratch.html. Alternate formats: Source, PDF. Prologue The concept of category from mathematics happens to be useful to computer programmers in many ways. Unfortunately, all “good” explanations of categories so far have…