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Best Practices for Testing in Java (2019)
Modern best practices for unit tests and integration tests in Java and in general
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,417 posts.
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The importance of local development
Efficient software development benefits from local development, it enables faster iteration, better debugging and ensures consistency between local and production environments.
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Whether to Use Anki or SuperMemo
Updated version If you haven’t read My Comparison Between Anki and SuperMemo, please do so. It’s not a prerequisite but if you do, you will understand the following content better.
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TOTP Codes in the Terminal
The demise of Authy desktop has brought about a number of changes, probably the one of which I most appreciate is a mobile app which lets me edit codes: with 2FAS I can edit labels on codes, and I’...
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Trying every combination to flash my Asus motherboard's BIOS
tl;dr: Use an old-fashioned USB 2.0 flash drive, format it FAT32, download the firmware, make sure it's named correctly, and use the motherboard's 'BIOS Flashback' option after powering off the computer. This past week, I devoted far too much time to the task of updating my brand new motherboard's BIOS. It started…
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Coreutils Gotchas (2015)
Confusing corners of the unix utilities
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Photoshop's challenges with focus, pt. 2
A blog about software craft and quality
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Beautiful Tools
We do this software development thing. I don’t have to tell you at times, it’s a very trying process. You shouldn’t have to deal with tools that get in your way or make your experience any less pleasurable. Okay. So you got the fancy chair. How about
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Finding an Optimal Keyboard Layout for Swype
An overview of my work on optimizing phone keyboard layouts for Swype and T9. There's some interesting history here as well as a novel simulation-based approach to keyboard optimization.
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How to Make a Memex
Vannevar Bush's 1945 essay "As We May Think" prefigured the invention of hypertext and the Internet. He imagined a "memex", a desk equipped with a microfilm apparatus, "in which an individual...
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How to install and start using LineageOS on your phone
Android is one of the most popular operating systems in the world. I is probably also one of the most versatile, used on PCs, phones, cars, autonomous devices such as drones, fridges, and many more.
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Recover Apple Keychain
Yes, I do—and probably more than I should admit. But a few things led to this situation. For one, I’d gotten too used to relying on Touch ID. As a result, if my muscle memory failed me, I was stuck. On top of that, I kept entering my office Active Directory (AD) password instead of my Mac password—again, muscle memory…
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Combine GPTs with private knowledge for actually useful AIs
Custom GPTs by OpenAI are practically free new hires. But as as new hires go, most are not very useful.
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Mocking time and testing event loops in Go
Initially I wanted to write articles on those two topics separately (mocking time and testing event loops), but during the process I realized that the things I want to talk about are too interrelated: when I need to mock time, it's usually to test some event loop with it, and when I test event loops, typically mocked…
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Binfmtc – binfmt_misc C scripting interface
"I love C". "I enjoy writing in C". "I don't feel well when I have passed a day without coding a line of C". "My conversation with my wife simply doesn't flow without the C language". "I want to write everything in C, even the everyday scripting, but due to the steps required for writing make files and other things, I…
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Version SAT
The package version selection problem is to find a set of dependencies that can be used to build a top-level package P that is complete (all dependencies satisfied) and compatible (no two incompatible packages are selected). There may be no such set, because of the diamond dependency problem: perhaps A needs B and C…
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Let's create a Python Debugger together
An article series where I show you how to write a fully functional Python debugger.
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Basic Scripting with Awk and Gnuplot
Posted to HN. Comments and discussion highly encouraged. Introduction This will be a short example-based guide to (a) awk (b) gnuplot and (c) using them in a script. I needed to graph some data based on the output of a command run a couple times. So what better way to solve that five minute task than to spend an hour…
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New Ways to Be Told That Your Python Code Is Bad
I love linters. A linter is a program that looks for problems in code without running it. There is something gratifying about running a linter on a codebase and seeing a big list of warnings and errors. Sometimes it can even be fun to fix them!
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Vim's speed is not really the point (2013)
I am a Vim user. And a Vim fan.I was fiddling around for some time, you know, just knowing the basics, because it is convenient to do small changes on servers without having to worry about installi…
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What docs-as-code means
I’ve recently started a new job as a documentation engineer. While my work is largely the same as that of a technical writer, …
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Version control second coming
The very same week we signed our first ever angel investor for Plastic SCM, in early summer of 2005, Linus Torvalds announced Git. I had spent more than a year pitching investors to build a new version control, and suddenly the creator of Linux was building one himself. That week I understood the road ahead was going…
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Abstraction, not syntax
Alternative configuration formats solve superficial problems. Configuration languages solve the deeper problem: the need for abstraction.
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I don't understand terminals, shells and SSH
Confession time: I don't fully understand how terminals, shells and SSH really work (and my guess is you don't either). And I don't mean the cryptography behind SSH. I mean how SSH and the terminal — and the shell for that matter — interact with one another.