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Brain Oriented Programming
Write code that's compatible with how your brain works.
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The latest blog posts to take off on Hacker News. 14,543 posts.
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Implementing a Type-safe printf in Rust
I show how to use heterogeneous lists and traits to implement a type-safe printf in Rust. These mechanisms can ensure that two variadic argument lists share important properties, like the number of format string holes matches the number of printf arguments.
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Stopping phishing campaigns with Bash
Personal Blog of Christian Haschek
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Can we do better than our C compiler?
Today, I wanted to see if I could out-compile my C compiler. I added a hand-compiled assembly version of echo from our previous coding exercise and added a new make target, make asm , that will assemble it. Let's look at our hand-compiled assembly and compare it to our C compiler and ask whether or not it was worth it.
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Never use a dependency that you could replace with an afternoon of programming
Never use a dependency that you could replace with an afternoon of programming.
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That coworker who never stops refactoring
We’ve all seen them. They drive the rest of the team crazy. How can we use them to our advantage?
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Single Page Applications using Rust
Easy to follow guide to building SPAs using Rust, WebAssembly and Yew
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Creating a QR Code step by step
This JavaScript demo application visualizes in detailed steps, how a text string is encoded into a QR Code barcode symbol. The content of this page essentially explains and justifies how my QR Code generator library works internally.
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Parallel Seam Carving
Seam carving is a technique for content-aware resizing, which changes the size of an image while attempting to preserve the interesting content of the image. The basic idea behind the technique is to remove low-energy seams: paths of pixels that are similar to their surroundings. A removed seam can be either vertical…
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Wiki Bankruptcy
An appropriately annoying strategy for dealing with wiki rot at a company.
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C will never stop you from making mistakes
Short answer: because we said so.
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Let’s implement a Bloom Filter
I am planning to create a series of blog posts that includes some literature research, implementation of various data structures and our journey of creating a distributed datastore in distrentic.io.
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SMT Solving on an iPhone (2018)
Why buy an expensive desktop computer when your iPhone is a faster SMT solver?
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Where do argc and argv come from?
Continuing on from our tiny snake game , let's explore more into how binaries work on Unix. Let's figure out how our programs come to obtain their argc and argv parameters.
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Audio from Scratch with Go: Extracting Breakpoints
So far everything we’ve done with breakpoints involved us creating a breakpoint file and using this to automate part of a track. Now we’ll take a look at how we can take an existing track and extract some breakpoints from this. For this post, we’ll take a look at extracting the amplitudes from the .wave files, as this…
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Formulog: ML + Datalog + SMT
If you read a description of a static analysis in a paper, what might you find? There’ll be some cute model of a language. Maybe some inference rules describing the analysis itself, but those rules probably rely on a variety of helper functions. These days, the analysis likely involves some logical reasoning: about…
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What Is the Minimal Set of Optimizations Needed for Zero-Cost Abstraction?
Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
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First Impressions of Rust
I've been wanting to write a big project in Rust for a while as a learning exercise, and actually started one in late 2018 (a FUSE server implementation). But then life happened and I got busy and never went anywhere with it. Due to certain world circumstances I'm currently spending a lot of time indoors so rust-fuse…
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Surviving Django, if you care about databases
Django is currently the most commonly used full-stack web framework for Python. It has been around for a good 15 years, emerging as a winner from a period in which Python was already mature, but its web development tools were comparatively much more immature and fragmented.
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Programming with RISC-V Vector Instructions
Perhaps the most interesting part of the open RISC-V instruction set architecture (ISA) is the vector extension (RISC-V "V"). In contrast to the average single-instruction multipe-data (SIMD) instruction set, RISC-V vector instructions are vector length agnostic (VLA). Thus, a RISC-V "V" CPU is flexible in choosing a…
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The Hacker Way: How I taught my nephew to program
Over the last year, my 13 year old nephew developed a love for hacking. From anime chat , to snake , a minimal twitter , a blog , to an anime music startup , he’s built some cool stuff (1). What I’m most proud of though, is that he’s done this with self directed play, rather than with a rigid curriculum.