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Not OK Cupid – A story of poor email address validation
A story of poor email address validation.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 21,842 posts.
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My Favorite Books 2020
Mostly non-fiction books this year. Some in English, some in German.
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Node.js built-ins on Deno Deploy
You can now use Node.js built-in modules like `node:http` on Deno Deploy, allowing you to run existing Node.js apps at the edge.
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"GitHub" Is Starting to Feel Like Legacy Software
I’ve used a lot of tools over the years, which means I’ve seen a lot of tools hit a plateau. That’s not always a problem; sometimes something is ju...
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Pointers Are Complicated III, or: Pointer-integer casts exposed
In my previous blog post on pointer provenance, I have shown that not thinking carefully about pointers can lead to a compiler that is internally inconsistent: programs that are intended to...
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Mathematica v12.1
Biggest .1 release from Wolfram. 182 completely new functions, plus updates and enhancements. Includes full HiDPI support, computation with video, data structures, asymptotic superfunction, mathematical functions, plotting, geometric optimization, vector plotting, cross-hatching, computational topology, tabular data…
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Trying to become a better developer by learning more about aviation
In the last few months, I started geeking more about aviation-related topics. Mostly by watching A LOT of videos explaining how things…
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The Mediocre Programmer
The Mediocre Programmer is a book about the journey of becoming a better programmer. But before we can become better programmers we have to pass through being mediocre programmers. Mediocre doesn't mean a bad programmer --- far from it. It means lacking skill. As beginners we start our journey full of fresh ideas of…
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Calling Purgatory from Heaven: Binding to Rust in Haskell
Calling hell from heaven and heaven from hell is a classic paper from the previous century, introducing the Haskell foreign function interface (FFI). It describes the facilities that Haskell offers for calling functions written in C (and vice versa). In this blog post, we will consider how to call functions written in…
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The OpenSSH Bug That Wasn't
Much has been written about a purported OpenSSH vulnerability. On closer inspection, the reports actually got most of their facts wrong. Rea...
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Using ARG in a Dockerfile – beware the gotcha
Learning about the subtle gotcha with ARG and FROM instruction ordering in Dockerfile definitions.
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Front-End Walkthrough: Building a Single Page Application from Scratch
Stories, insights, and updates from the Poki team.
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Dynamic Forms with LiveView Streams
Learn how to use to_form/1 and LiveView Streams to create a dynamic list of forms.
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Back to basics: Writing an application using Go and PostgreSQL
Learn how to use PostgreSQL with the Go programming language using the pgx driver and toolkit in a very productive manner. Furthermore, with the provided source code, you'll be able to learn how to write efficient and sound unit and integration tests, ready to be run locally or on a Continuous Integration environment…
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An update on JavaOne
Like many of you, every year we look forward to the workshops, conferences and events related to open source software. In our view, these ar...
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C++ Concurrency Model on x86 for Dummies (2020)
A blog by and for database architects.
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How Much Does a Compiler Cost?
The compiler tool chain is one of the largest and most complex components of any system, and increasingly will be based on open source code, either GCC or LLVM. On a Linux system only the operating system kernel and browser will have more lines of code. For a commercial system, the compiler has to be completely…
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Unintuitive JSON Parsing
Despite the goal of JSON being a subset of JavaScript — which it failed to achieve (update: this was fixed ) — parsing JSON is quite unlike parsing a programming language. For invalid inputs, the specific cause of error is often counter-intuitive. Normally this doesn’t matter, but I recently ran into a case where it…
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Django 1.6 beta 1 released
Posted by Jacob Kaplan-Moss on June 28, 2013