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Technical Debt Is Like a Tetris Game
Expressive code in C++
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Browse good first issues to start contributing to open source
We've recently launched good first issues recommendations to help new contributors find easy gateways into open source projects. Read about the machine learning engine behind these recommendations.
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Flowcharts of programming language constructs
This article contains the flow-charts of many common programming language constructs that involve distinct combinations of gotos. The goto (or jump) is a basic building block of control flow, therefore most control flow constructs can be modelled using it.
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The Road to the JIT
The official home of the Erlang Programming Language
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Crafting Interpreters: Superclasses
You can choose your friends but you sho’ can’t choose your family, an’ they’re still kin to you no matter whether you acknowledge ’em or not, and it makes you look right silly when you don’t.
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How I helped fix Canadaʼs Covid Alert app
On July 31st , Canada’s COVID Alert app was made available for general use, though it does not have support for actually reporting a diagnosis in most provinces, yet.
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Bevy 0.2
A month after the initial Bevy release, and thanks to 87 contributors, 174 pull requests, and our generous sponsors, I'm happy to announce the Bevy 0.…
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Flutter and Dart, or how to quickly build a mobile app without losing your hair
Oprogramowanie dla banków, ubezpieczycieli i firm leasingowych: procesy kredytowe, obsługa polis, bankowość mobilna i dane. 20+ lat, 500+ projektów.
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Being good at coding competitions correlates negatively with job performance
A couple of days ago I watched a How Computers Learn talk by Peter Norvig. In this talk, Peter talked about how Google did machine learning and at one point he mentioned that at Google they also applied machine learning to hiring. He said that one thing that was surprising to him was that being a winner at…
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Pain Points of Haskell
I would like to preface this article by saying that Haskell is great. I have been using it as my go-to for native applications for several years now. Everything that follows is a product of my love and affection for the language, and a desire to see it succeed. And none of this is intended to disparage the efforts of…
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Webpack 5
webpack is a module bundler for JavaScript, CSS, HTML, WebAssembly and assets. It builds a dependency graph from your project and emits optimized bundles for browsers, Node.js, Deno, Bun and other environments.
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R adds native pipe and lambda syntax
‘all.equal(f, g)’ for ‘function’s now by default also compares their ‘environment(.)’s, notably via new ‘all.equal’ method for class ‘function’. Comparison of ‘nls()’ fits, e.g., may now need ‘all.equal(m1, m2, check.environments=FALSE)’.
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Ways of Implementing a System Call
Today, we’re going to look at the many ways of implementing user-to-kernel transitions on x86, i.e. system calls. Let’s first quickly review what system calls actually need to accomplish.
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Programming trick questions
Note: me telling you up front that these are trick questions rather gives the answers away in most cases, but oh well. Questions Question 1 What's the fastest way to sort a jumbled array, given that the array has length N and contains all the integers from 1 to N inclusi...
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I Tried to Reduce Pylint Memory Usage
Through work I have to deal with a pretty huge codebase, and run Pylint on it during our continuous integration process. It's always been a bit slow, but recently I also noticed that it was consuming a lot of memory, causing OOM failures if we tried to run it too much in parallel.
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The growth of command-line options, 1979-Present
My hobby : opening up McIlroy’s UNIX philosophy on one monitor while reading manpages on the other.
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The compositor is evil
First, I want to make it clear that I’m not accusing the compositor of true evil, which I define roughly as deliberately causing suffering. There’s unfortunately too much of that in the world. I mean it in the more metaphorical sense that it causes serious problems and forces other parts of the system to be more…
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Yukihiro Matsumoto: “Ruby is designed for humans, not machines”
Yukihiro Matsumoto talks to Evrone about what makes Ruby shine
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A Critique of React Hooks
A few thoughts to consider when using React hooks
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How to speed up the Rust compiler in 2020
I last wrote in December 2019 about my work on speeding up the Rust compiler. Time for another update.
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Welcome to C# 9.0
Note: This post is out of date. Now that C# 9.0 has been released, an updated version can be found here. C# 9.0 is taking shape, and I’d like to share our thinking on some of the major features we’re adding to this next version of the language. With every new version of C# we […]
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Against Essential and Accidental Complexity
In the classic 1986 essay, No Silver Bullet , Fred Brooks argued that there is, in some sense, not that much that can be done to improve programmer productivity. His line of reasoning is that programming tasks contain a core of essential/conceptual 1 complexity that's fundamentally not amenable to attack by any…
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Text Processing in the Shell
A quick overview of the most common text processing terminal tools and why they should be part of your day-to-day toolbox.
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When Parallel: Pull, Don't Push
I’ve noticed a small pattern across a few of my projects where I had vectorized and parallelized some code. The original algorithm had a “push” approach, the optimized version instead took a “pull” approach. In this article I’ll describe what I mean, though it’s mostly just so I can show off some pretty videos…