By default, the Bash shell keeps the history of your most recent session in the .bash_history file, and the commands you’ve issued in your current session are also available with a history call. These defaults are useful for keeping track of what you’ve been up to in the shell on any given machine, but with disks much…
How I optimize SVGs for this blog and why you probably should, too.
Lazarus Lazaridis’ personal blog with posts mostly related to programming and opensource. And cats.
BPF Performance Tools: Linux System and Application Observability (book)
Since March, Trail of Bits has been working with the Python Software Foundation to add two-factor authentication (2FA) to Warehouse, the codebase that powers PyPI. As of today, PyPI members can enable time-based OTP (TOTP) and WebAuthn (currently in beta). If you have an account on PyPI, go enable your preferred 2FA…
Find the right repository, bring it into Replit, and get to work. What changed in GitHub imports, authentication, and the Git pane.
Awk is a very nice language with a very strange name. In this first article of a three-part series, Daniel Robbins will quickly get your awk programming skills up to speed. As the series progresses, more advanced topics will be covered, culminating with an advanced real-world awk application demo.
Efficient memorization using the spacing effect: literature review of widespread applicability, tips on use & what it’s good for.
I experimented with different ways to get customer feedback for my SaaS. This blog post is about what worked during launch and later stages.
Abstract. This tutorial provides a programmer ' s introduction to the Satisfiability Modulo Theories Solver Z3. It describes how to use Z3 through scripts, provided in the Python scripting language, and it describes several of the algorithms underlying the decision procedures within Z3. It aims to broadly cover almost…
This type of highlighting is ideal for assembly. With it, the things that shouldn't seem similar usually don't.
I made a quick tool (for no real reason) to calculate and visualize 'free time' based on the selection of criteria shown below. Replace my responses with yours, and hit 'run' to see how much free time you have.
There are few pieces of software as widely misunderstood as Emacs. Emacs is frequently advertised and discussed as a text editor, but please be clear on this: Emacs is not just a text editor .
Today I’d like to announce Homebrew 1.9.0. The most significant changes since 1.8.0 are Linux support, (optional) automatic brew cleanup and providing bottles (binary packages) to more Homebrew users.
Adding the Cloud Run button to your github source code repositories lets anyone deploy their application to Google Cloud.
Today I’d like to announce Homebrew 2.0.0. The most significant changes since 1.9.0 are official support for Linux and Windows 10 (with Windows Subsystem for Linux), brew cleanup running automatically, no more options in Homebrew/homebrew-core, and removal of support for OS X Mountain Lion (10.8) and older.
You can now use U2F-compatible security keys as a second factor for your 1Password account.
My home server completely shit the best recently and I thought I'd lost all my data.
News and Project Updates!
Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
Hot takes and cold truths on software, startups, and the lies we tell ourselves.
A bundle called IncompatibleAppsList.bundle found in /Library/Apple/Library/Bundles/ in macOS Catalina contains a of list of 235 apps that are incompatible with Catalina.
The standard for browsing the web over a text-=based terminal is Lynx, right? ...
