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New
The latest blog posts to take off on Hacker News. 1,420 posts.
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TruffleRuby on the Substrate VM
Technical articles by Kevin Menard. Topics include Ruby, Java, machine learning, and general computing.
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Undefined Behavior != Unsafe Programming
Are you arguing that undefined behaviour should not be a thing in, e.g., C? It sounds like you’re claiming that the fabled sufficiently smart compiler could take code in a C-like language with no UB, and emit something equivalent to what a C compiler would produce given equivalent input in C that correctly avoids UB…
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The Biggest and Weirdest Commits in Linux Kernel Git History
We normally think of git merges as having two parent commits. For example, the most recent Linux kernel merge as I write this is commit 2c5d955, which is part of the run-up to release 4.10-rc6. It has two parents:
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Releases for XFCE
So it’s not that I’ve been quiet and lazy – I was actually busy preparing some releases and hacking on stuff. So here’s an update on what’s been going on and what’s to come.
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Is PostgreSQL good enough?
tldr; you can do jobs, queues, real time change feeds, time series, object store, document store, full text search with PostgreSQL. How to,...
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.NET Core Web API on AWS Lambda Performance
In order to understand what I’m going to talk about, you must know what is AWS Lambda, I talked about in this blog post where I went through getting started with Visual studio code and AWS Lambda, …
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50 Bytes of Code That Took 4 GB to Compile (2013)
While doing evil things with macros and the inline assembler (trying to run a weird test whose purpose is not really relevant) I managed to write a program that caused Visual Studio’s C++ compiler …
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The Three Ways of XOR
We all know the XOR operation. It’s the cousin of NOT, AND and OR. Like AND and OR, it is a binary boolean function. Unlike them, most programming languages ...
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From AST to Lossless Syntax Tree
As noted in ASDL Implementation and Use Cases , I began with a simple AST interpreter for OSH, thinking that the two languages could share the same AST.
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Mkfile(8) is severely syscall limited on OS X
When I got my brand-new MacBook Pro (late 2016), I was interested in testing out the phenomenal SSD performance I had been reading about, r...
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Things Developers Should Know About SQL Server (2013)
Hi. I’m a former developer who’s moved into database administration, and here’s what I wish somebody would have told me when I got started. 7. SQL functions rarely perform well. Good developers like to reuse code by putting it into functions, and then calling those functions from multiple places. That’s a great…
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Cryptographically Secure PHP Development
Your field guide to building secure cryptography features in PHP
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How Do You Know a Developer Is Doing a Good Job?
There are many ways to evaluate a developer. Should we use quantitative metrics or stick to qualitative ones?
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Getting Started with Functional Programming in F#
Video presentation by Reid Evans on Getting Started with Functional Programming in F#. Here are my takeaways and thoughts on this great talk.
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RethinkDB versus PostgreSQL: my personal experience
News and updates about CoCalc
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A first look at WebAssembly performance
WebAssembly gives us the promise to run high performance code in the browser in a standardized way. Now that there are a few WebAssembly previews available I decided it’s time to take a look at their performance. One source for benchmarks is the well known Computer Language Benchmarks Game and I decided to pick nbody…
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Modern garbage collection
A look at the Go GC strategy
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Search at Slack
On average, 20% of a knowledge worker’s day is spent looking for the information they need to get their work done. If you think about a typical work week, that means an entire day is dedicated to this task! To help our users find more time in their day, the Search, Learning, and Intelligence team set…
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PICO-8 lighting, part 1: thin dark line
How I rolled up my sleeves and got a real-time lighting engine working under the constraints of PICO-8.
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Grappling with Go
In a previous blog post, I observed that one of the medium-termpossibilities we’re seriously considering for NTPsec is moving theentire codebase out of...