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Java Is Unsound: The Industry Perspective
Discussing a recent academic finding on Java and Scala, from industry's perspective.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 5,636 posts.
3182
The Problem with Macros
So we’re supposed to be writing a game, right? But in order to make progress, we have to fix a bug. And in order to fix the bug, we have to write a test. And in order to write a test, we have to write a test framework. And in order to write a test framework, we have to understand a thing or two about macros. Okay. So…
3183
Writing web-based interactive fiction with Ink
As used to author Heaven's Vault, 80 Days and Sorcery!: produce interactive scripts by writing in pure-text with ink markup.
3184
Ruby Next: A Transpiler for Ruby
Introducing Ruby Next, a transpiler for Ruby.
3185
Node.js 26.0.0 (Now with Temporal)
Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.
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Things I like about Gleam's Syntax
Gleam is a Type-Safe programming language that transpiles to Erlang And javascript . , so you can run its code on the BEAM. I’ve slept on Gleam for a while because its syntax. It was too much Rust and not enough Elixir for me.
3188
PEG Parsers
Some years ago someone asked whether it would make sense to switch Python to a PEG parser. (Or a PEG grammar; I don’t recall exactly what…
3189
Architecture of a Real World Haskell Application
There were numerous posts on reddit, SO and the like which were asking for how to architect real world Haskell applications. Well, this is my go at it for an in-house testing tool which is used extensively. I would not claim myself an advanced Haskeller, some of the code is probably not idiomatic Haskell (and also…
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Lush: My favorite small programming language
I meant to write about this when I started my blog in 2009. Eventually Lush kind of faded out of my consciousness, as it was a lot easier to get work doing stuff in R or Matlab or whatever. The guy…
3192
Extending Rust's Effect System
This is the transcript of my RustConf 2023 talk: "Extending Rust's Effect System", presented on September 13th 2023 in Albuquerque, New Mexico and streamed online.
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The Reliability of Go
As part of the Canonical Cloud Sprint taking place in San Francisco last week I attended Dave Cheney's talk at the GoSF meetup on the...
3195
Linus Torvalds on aliasing
See also Dennis Ritchie on aliasing, PLOS article , pointer alias in C and remarks on the purpose of C.
3196
Python's Type Checking Renaissance
You may have heard that TypeScript has been taking the web development space by storm in the last few years , bringing to it static types. I believe the same thing is starting to happen in the world of Python, where type checkers like mypy , Pyre , and Pyright are increasingly used, at least where Python is used by…
3197
The cost of Go's panic and recover
TL;DR ¶ Some of the wisdom contained in Josh Bloch’s Effective Java book is relevant to Go. panic and recover are best reserved for exceptional circumstances. Reliance on panic and recover can noticeably slow down execution, incurs heap allocations, and precludes inlining. Internal handling of failure cases via panic…
3198
Boeing Flies on 99% Ada
A discussion of how Boeing used Ada in its new 777 jet to run a complete fly-by-wire system that technicians backup and monitor with on-board floppy disks. The Ada Information Clearinghouse is the Ada Resource Association's official Web site on the Ada programming language and on software engineering.
3199
Ruby Is Still a Diamond
Matz is nice and so we are nice. — Ruby Community Motto
3200
strcpy: A niche function you don't need
The C strcpy function is a common sight in typical C programs. It’s also a source of buffer overflow defects, so linters and code reviewers commonly recommend alternatives such as strncpy (difficult to use correctly; mismatched semantics), strlcpy (non-standard, flawed ), or C11’s optional strcpy_s ( no correct or…
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Why Elixir (2014)
It’s been about a year since I’ve started using Elixir. Originally, I intended to use the language only for blogging purposes, thinking it could help me better illustrate benefits of Erlang Virtual Machine (EVM). However, I was immediately fascinated with what the language brings to the table, and very quickly…
3203
The Strict Aliasing Situation Is Pretty Bad
One thing that works well in practice in cases where you really don’t want to process single bytes at a time is to use a union for going from one type to another. Granted, writing one member of a union and reading from a different one also isn’t allowed per the standard, but every compiler I’ve come across allows it…
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C++20 coroutines: “The bug is in the C++ standard, not GCC.” (2020)
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3206
Turbo Pascal: A Great Choice for Programming Under CP/M (2013)
CP/M was blessed with many programming languages, each with their own strengths and weaknesses. I think that Turbo Pascal stands out from these and I'm not alon
3207
Final features of C++17
With last weeks C++ committee meeting in Oulu, C++17 is feature complete and on its way to become an international standard. After the last meeting in Jacksonville I had little hope to see big surprises, but Oulu managed to add a few important and interesting features to the new standard. There is a very good overview…
3208
An introduction to metaprogramming in Ruby
Learn Ruby metaprogramming: call methods dynamically with send, define them at runtime with define_method, and handle missing calls with method_missing.
3209
Sigils are underappreciated (2022)
Sigils have a bit of a bad reputation. According to their detractors, sigils are “just a way of encoding type information” in variable names – basically a glorified version of apps Hungarian notati…
3210
Modern garbage collection: Part 2
A look at what the newest generation of Java GCs can do