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The most popular blog posts about programming languages on Hacker News. 5,634 posts.
While browsing Reddit the other day waiting for my code to compile, I ran across this question on r/Python: is hash(-1) == hash(-2) an easter egg? Wait, is that really true? $ python Python 3.9.6 (default, Jun 29 2021, 00:00:00) [GCC 11.1.1 20210531 (Red Hat 11.1.1-3)] on linux Type "help", "copyright", "credits" or…
Say hello to Standard Ruby 1.0! Effortless linting and code formatting for Ruby, built on RuboCop. Zero configuration, total convenience.
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Haskell’s State monad has a shameful secret. It’s not a monad [ State monads don’t respect the monad laws in Haskell, Simon Marlow ] . Look:
I try to not read HN/Reddit too much about Pyston, since while there are certainly some smart and reasonable people on there, there also seem to be quite a few people with axes to grind (*cough cou…
Briefly put, types in L-world are ambiguous, leading to unhygienic mixtures of value operations with reference operations, and uncontrolled pollution from null s infecting value code.
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Usually in C identifiers are not directly followed by strings. But when U prefixed literals were introduced in C. there still were some rare clashes with existing code. This happened were a macro U…
I often write pieces that showcase how well Rust can work for you, and how it can let you build powerful abstractions, and prevents you from making a bunch of mistakes. If you read something like S...
When the address of a nested function is taken, GCC creates at trampoline at run-time. This trampoline is placed on the stack, which means that the stack has to be executable. This is problematic because a non-executable stack is an important security feature. For some time now, GCC has the option to place the…
Hi 👋 you're reading a pretty old post! I started writing on here back in high school and this page may not reflect my current views. Recommend checking out related articles and categories down below, I've likely published more recent thoughts on this topic.
Three months ago, I wrote about why you might want to use panics for error handling. Even though it’s a catchy title, panics are hardly suited for this goal, even if you try to hack around with macros and libraries. The real star is the unwinding mechanism, which powers panics. This post is the first in a series…
In recent years, it has become increasingly important to develop software that minimizes security vulnerabilities. Memory management bugs are a common cause of these vulnerabilities. To that end, the Mozilla community has spent the last several years building the Rust language and ecosystem which focuses primarily on…
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Arrays in Rust are fixed size, and Rust requires that every element in an array is initialized to a valid value when the array is initialized. The result of these requirements is array initialization in Rust is a much deeper topic than it would seem.
