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A Pythonista's Review of Haskell
A Python developer's honest review of Haskell: the type system, tooling, learning curve, and practical tradeoffs.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 5,637 posts.
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Unsafe Zig Is Safer Than Unsafe Rust
This pattern is pretty common if you are interacting with Operating System APIs . Another example .
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Summary of C/C++ integer rules
This is my own collection of hard-earned knowledge about how integers work in C/C++, and how to use them carefully and correctly. In this article, I try to strike a balance between brevity (easing the reader) and completeness (providing absolute correctness and extensive detail).
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Are pointers and arrays equivalent in C? (2009)
Longer answer: it depends on what you mean by "equivalent". Pointer arithmetic and array indexing are equivalent. In other aspects, pointers and arrays are different.
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Crystal 1.9.1
We are announcing a new patch release of the Crystal 1.9 series with two bugfixes.
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I Wrote a Compiler
I have a Computer Science degree. I attended a whole course of lectures on compilers (and have a certain fondness for “the red dragon book” as a result). However, I had never actually written a compiler from start to finish until a rainy day last weekend.
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Golang at CloudFlare
The other day I blogged here about our new Railgun software that speeds up the back haul between CloudFlare data centers and our clients' servers. At CloudFlare we're using a number of different languages depending on the task.
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Unix philosophy without left-pad, Part 2: Minimizing dependencies
In the previous post, I made a case for why programming languages should have a utility library that provides small-but-commonly-needed functions. Today I’m introducing a Raku package that I hope w…
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Teaching Kids Forth
Forth is uncommonly used to teach programming to kids. Scripting languages like Python and visual environments like Scratch are far more popular options. But when I got the opportunity to introduce middle and high school students to programming, I chose the stack-oriented concatenative language from 1970. I was…
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The C language is purely functional (2009)
Inspirations & experiments, mainly about denotative/functional programming in Haskell
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Forth: Stack-Manipulation Operators
Stack-manipulation operators allow the Forth programmer to do arithmetic interactively or in code contained in Forth definitions (e.g., defined functions).
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An underrated feature in Python 3
Short praise about exception handling in Python 3 — Note There's a nice video version of this article. Courtesy of Webucator (they do Python training). One of my pet peeves in Python is about...
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Deadcode: Finding unreachable functions in Go
deadcode is a new command to help identify functions that cannot be called.
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How Swift could potentially be faster than Objective-C
Since the introduction of Swift, speed has been a key selling point. Indeed, it's right in the name of the language. It's said to be faster than dynamic languages like Python or JavaScript, potentially faster than Objective-C, and even claimed to be faster than C for certain cases. But how exactly does it do it?
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How the CPython compiler works
In the first post of the series we've looked at the CPython VM. We've learned that it works by executing a series of instructions called bytecode....
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Python Modern Practices
Good development practices for modern Python
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Chicken Scheme internals: the garbage collector
Hi, I'm Peter Bex, a Scheme and free software enthusiast from the Netherlands. See my user page on the CHICKEN wiki or my git server for some of my projects.
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Project Loom: Fibers and Continuations for the Java Virtual Machine
Project Loom's mission is to make it easier to write, debug, profile and maintain concurrent applications meeting today's requirements. Threads, provided by Java from its first day, are a natural and convenient concurrency construct (putting aside the separate question of communication among threads) which is being…
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Magical Handler Functions in Rust
In this post we take a deeper look into one of the most popular design patterns in Rust web frameworks, the magical handler function.
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Depending in Common Lisp
A while ago I was working on a Common Lisp library that makes use of the Metaobject Protocol . I ran into a few edge cases around dependencies between classes and it took a while for me to figure out how to solve them, so I wanted to write down what I learned in case anyone else might find it useful. This post is an…
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Code Pages, Character Encoding, Unicode, UTF-8 and the BOM [video]
OK, fine maybe they DID teach you this in class. But, you'd be surprised how ...
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Rust in Production (2018)
How Mozilla’s new language dramatically improved our server-side performance
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You, Too, Can Be on the Cutting Edge of Functional Programming Research
It's not about technology for its own sake. It's about being able to implement your ideas.
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Manipulate Functions with the J Language
The Pragmatic Programmer recommends that we learn at least one new language every year. To be effective, the languages we learn should differ sufficiently from those we already master and ideally introduce us to a new paradigm too. Learning a different programming language affects the way we view code. A new paradigm…