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[ -z $var ] works unreasonably well
There is a subreddit /r/nononoyes for videos of things that look like they’ll go horribly wrong, but amazingly turn out ok.
Topics /
Programming Languages
The most popular blog posts about programming languages on Hacker News. 3,709 posts.
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I rewrote a Clojure tool in Rust
About two years ago, I wrote a quite complicated diff tool in Clojure. It was complicated enough that I struggled to fit the algorithm in my head and the inputs were large enough that I had to make some efforts to improve performance.
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Turning the Apple //e into a lisp machine, part 1
Alex Clemmer is a computer programmer. Other programmers love Alex, excitedly describing him as "employed here" and "the boss's son".
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On the Cleverness of Compilers
The “Sufficiently Clever Compiler” has become something of a trope in the Lisp community: the mythical beast that promises language and interface designers near-unlimited freedom, and leaves their output in a performance lurch by its non-appearance. A few years ago, I was young enough to join a research project to…
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Intuiting Pratt Parsing
You already know that a + b * c + d is calculated as a + (b * c) + d. But how do you encode that knowledge precisely enough for a machine to act on it?
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Sublime Clojure
New Sublime Text plugin for working with Clojure
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Explaining Ruby Fibers
Explaining Ruby Fibers - Noteflakes
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What Golang Is and Is Not
At Dan’s Stuff, we bring you the thrill and excitement of car auctions near me right to your screen. Our blog is dedicated to helping you navigate the fast-paced world of car auctions with confidence and expertise. We provide in-depth guides, expert advice, and the latest news to ensure you have all the information…
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Why use Rust on the back end?
I don't care about avoiding GC or about maximum performance. I treat Rust as a high level language.
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Clojure from a Schemer's perspective (2021)
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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C++ left arrow operator (2016)
Sometimes you have a pointer to a class, and you want to invoke a method. You can use the -> operator for that.
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R is a joy if you treat it like Awk
Derek's Personal Portfolio/Blog
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Optimizing Guile Scheme
Guile is a rather niche language that I love dearly. Guile is a Scheme dialect that features an advanced optimizing bytecode compiler, a JIT compiler, and a modest set of developer tools for inspecting and debugging. Through my time spent developing Chickadee , a game programming library, I have gotten quite familiar…
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Driving Compilers
I remember how pleasant it was to learn to program in C. There were so many good books explaining not only the language but also the standard library. I devoured both The C Programming Language (K&R) by Kernighan/Ritchie and The Standard C Library by P.J. Plauger. Then came Expert C Programming by Van der Linden and…
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Ruby's hash is a Swiss-army knife
This article shows the obscure but useful capabilities of Hash, a simple but equally powerful data structure in Ruby.
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Curl removes experimental HTTP back end in Rust
The ride is coming to an end. The experiment is done. We tried, but we admit defeat. Four years ago we started adding support for an alternative HTTP backend in curl. It would use a library written in rust, called hyper. The idea was to introduce an alternative implementation of HTTP internals that you could ……
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Refining Ruby
What does the following code do? If you answered
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Clojure Distilled
The difficulty in learning Clojure does not stem from its syntax, which happens to be extremely simple, but from having to learn new methods for solving problems. As such, we'll focus on understanding the core concepts and how they can be combined to solve problems the functional way.
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Compiler Basics: LLVM
Writing a lisp compiler from scratch in JavaScript: 3. LLVM
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Learning that you can use unions in C for grouping things into namespaces
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Don't use assembly unless you're an expert
…unless you're an expert at assembly, that is. The title of this post was obviously meant to be an attention-grabber, but it is much truer t...
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Why I'm Tcl-Ish
Colin Macleod Dundee Barnet Greece Tcl C++ Bloomberg Alcatel Intrasoft Autism
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Why CCP is still using Python 2
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