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PEP 584 – Add + and – operators to the built-in dict class
This PEP proposes adding merge (|) and update (|=) operators to the built-in dict class.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 256 posts.
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Autocompletion with Deep Learning
We've put together an index of testing terms and articles, covering many of the basics of testing and definitions for common searches.
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My Business Card Runs Linux
I’m an embedded systems engineer. I spend a lot of my free time looking for things I could use in future designs, or things that tickle one of my fancies.
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.NET 5
Today, we’re announcing that the next release after .NET Core 3.0 will be .NET 5. This will be the next big release in the .NET family. There will be just one .NET going forward, and you will be able to use it to target Windows, Linux, macOS, iOS, Android, tvOS, watchOS and WebAssembly and more. […]
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قلب: a non-ASCII programming language written in Arabic
قلب is a programming language exploring the role of human culture in coding. Code is written entirely in Arabic, highlighting cultural biases of computer science and challenging the assumptions we make about programming. It is implemented as a tree-walking language interpreter in JavaScript.
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A better zip bomb
This article shows how to construct a non-recursive zip bomb that achieves a high compression ratio by overlapping files inside the zip container. "Non-recursive" means that it does not rely on a decompressor's recursively unpacking zip files nested within zip files: it expands fully after a single round of…
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Lucet: Native WebAssembly Compiler and Runtime
Today, we're thrilled to announce the open sourcing of Lucet, our native WebAssembly compiler and runtime. WebAssembly is a technology created to enable web browsers to safely execute programs at near-native speeds, and it's been shipping in the four major browsers since early 2017.
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Emergent Tool Use from Multi-Agent Interaction
We’ve observed agents discovering progressively more complex tool use while playing a simple game of hide-and-seek. Through training in our new simulated hide-and-seek environment, agents build a series of six distinct strategies and counterstrategies, some of which we did not know our environment supported. The…
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Composable multi-threaded parallelism in Julia
Software performance depends more and more on exploiting multiple processor cores....
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Why Clojure?
I’ve programmed systems in many different languages; from assembler to Java. I’ve written programs in binary machine language. I’ve written applications in Fortran, COBOL, PL/1, C, Pascal, C++, Java, Lua, Smalltalk, Logo, and dozens of other languages. I’ve used statically typed languages, with lots of type inference…
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Thoughts on macOS Package Managers
Saagar Jha's website.
102
Technical Debt
Technical Debt is a metaphor for the consequences of cruft. You either have to accept a drag on further features (paying interest) or fix the software (paying the principal)
103
Building a Search Engine from Scratch
A whirlwind tour of the big ideas powering our web search
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Elixir 1.9
Elixir v1.9 is out with releases support, improved configuration and more.
105
Python in the Windows 10 May update
Python might be hard to install on Windows, but with the latest Windows 10 update, you can type "python" to find it in the Microsoft Store.
106
Mozilla’s Manifest v3 FAQ
Developers have asked what Google's proposed changes to their extensions API, known as Manifest v3, mean for Mozilla. Here are some frequently asked questions.
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Defunctionalize the Continuation
Video and transcript of Jimmy Koppel's Compose 2019 talk on defunctionalization, the best refactoring you've never heard of.
108
Why Generics?
Why should we add generics to Go, and what might they look like?
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DiffEqFlux.jl – A Julia Library for Neural Differential Equations
DiffEqFlux.jl – A Julia Library for Neural Differential Equations...
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Lezer
I keep coming across people who consider parser technology a forbidding, scary field of programming. This is nonsense—a small parser can be very, very simple , and provide a wholesome exercise in recursive thinking. At the same time, it is true that you can make parsing extremely complicated. Mostly, this tends to…
111
BoringTun, a Userspace WireGuard Implementation in Rust
Today we are happy to release the source code of a project we’ve been working on for the past few months. It is called BoringTun, and is a userspace implementation of the WireGuard® protocol written in Rust.
112
Translating an ARM iOS App to Intel macOS Using Bitcode
When Apple introduced Bitcode and made it mandatory on watchOS and tvOS, they kinda hand-waved away questions about why it existed, with nebulous claims about it being useful to tune-up binaries by utilizing the latest compiler improvements.
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What Is Zig's Comptime?
Let's take a quick look at what compile-time execution looks like in Zig.
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O(n^2), again, now in Windows Management Instrumentation
I recently hit some multi-minute delays on my workstation. After investigating I found that the problem was due to a lock being held for five minutes, and during that time the lock-holder was mostl…
116
Update Regarding Add-Ons in Firefox
Incident summary Updates - Last updated 14:35 PST May 14, 2019. We expect this to be our final update. If you are running Firefox versions 61 - 65 ...
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From Design Patterns to Category Theory (2017)
How do you design good abstractions? By using abstractions that already exist.
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Our Software Dependency Problem
For decades, discussion of software reuse was far more common than actual software reuse. Today, the situation is reversed: developers reuse software written by others every day, in the form of software dependencies, and the situation goes mostly unexamined.
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Game Loop
If there is one pattern this book couldn’t live without, this is it. Game loops are the quintessential example of a “game programming pattern”. Almost every game has one, no two are exactly alike, and relatively few programs outside of games use them.
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