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Deno 1.9
Deno 1.9 adds a new native HTTP/2 web server, a vastly improved op infrastructure, import completions in the LSP, an interactive permission prompt, blob url support.
New
The latest blog posts to take off on Hacker News. 21,828 posts.
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Rust is for Professionals
A professional programmer delivers value through the authoring and maintaining of software that solves problems. (There are other important ways for professional programmers to deliver value but this post is about programming.)
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The True Meaning of Technical Debt (2020)
"Know your enemy, know yourself, and in a hundred battles you will never be defeated"
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The Dawn of a new Command Line Interface (2017)
disclaimer: this is a technical post aimed at developers being somewhat aware of the problem space. There will be a concluding ‘the day of…’ post aimed at end users where some of …
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Gitlet.js – Git implemented in 1k lines of JavaScript (2015)
I wrote Gitlet to show how Git works under the covers. I wrote it to be readable. I commented the code heavily.
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Building React and Vue Support for Tailwind UI
Hey! We're getting really close to releasing React + Vue support for Tailwind UI, so I thought it would be interesting to share some of the behind-the-scenes efforts that have gone into even making it possible.
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Why you should NOT use NativeScript
It’s been two years since our company decided we’ll pick NativeScript to create and maintain our Android App.
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Use console.log() like a pro (2020)
What console.log() does, where to find console logs in the browser and Node.js, with examples, plus console methods like table(), group() and time().
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Mugo, a toy compiler for a subset of Go that can compile itself
Mugo is a single-pass compiler for a tiny subset of the Go programming language -- just enough to compile itself.
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Using the switch(true) pattern in JavaScript
The switch true pattern isn't well known but it is incredibly useful. It's not a JavaScript specific pattern, but I use it in almost every single project.
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What was the point of [ “x$var” = “xval” ]?
In shell scripting you sometimes come across comparisons where each value is prefixed with "x". Here are some examples from GitHub:
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Demystifying programs that create programs, part 1: A disassembler
People appear to enjoy the blog posts about me porting different compilers to OpenBSD . What I would like to do for the next couple of posts beginning with this one is to take a step back and de-complexify these programs. Both the D compiler and the GNU Modula-2 compiler are highly complex pieces of software. But at…
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Making Librem 5 Apps [video]
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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A common mistake when NumPy’s RNG with PyTorch
A bug that plagues thousands of open-source ML projects.
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Go HTTPS Servers with TLS
This post is a basic introduction to running HTTPS servers and clients in Go using TLS. It assumes some familiarity with public-key crypto. Feel free to check out my earlier posts about RSA and the Diffie-Hellman Key Exchange ; TLS uses the elliptic-curve version of Diffie-Hellman. I won't be covering how the protocol…
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Downloading files from S3 with multithreading and Boto3
Yesterday I found myself googling how to do something that I’d think it was pretty standard: How to download multiple files from AWS S3 in parallel using Python? After not finding anything reliable in Stack Overflow, I went to the Boto3 documentation and started coding. Something I thought it would take me like 15…
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Best practices for writing SQL queries
SQL best practices: a brief guide to writing better SQL queries.
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Watertight vector maps from raster images
Or, “how not to GIS”.
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Everyone is still terrible at creating software at scale
I have a hunch that once people saw the economic potential of software, they started looking for ways to "scale it up" and we haven't stopped searching yet.
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A look at LLVM: comparing clamp implementations
Please note that this is not an endorsement or criticism of either of these languages. It’s simply something I found interesting with how LLVM handles code generation between the two. This is an implementation quirk, not a language issue. Update (April 9, 2021): A bug report was filed and a fix was pushed! The LLVM…
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Scalable, Resilient Brainfuck
Building Brainf∗ck interpreter for the 21 century, with all the best systems design practices in mind. Think of Brainf∗ck-as-a-service cloud solution!
9083
Docker without Docker
Our users deliver software to us as Docker containers, but we don’t use Docker to run them. We transmogrify container images into Firecracker micro-VMs. Here's how.
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Why do long options start with two dashes? (2019)
Around 1990, Richard Stallman (RMS) and I were writing the GNU C library getopt() and he wanted to extend it to support long (multi-character) option names for user-friendliness. He considered Unix…
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Commits are snapshots not diffs (2020)
Git has a reputation for being confusing. Users stumble over terminology and phrasing that misguides their expectations. This is most apparent in commands that “rewrite history” such as git cherry-pick or git rebase. In my experience,…
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The architecture behind a one-person tech startup
As grandiose as the title of this article might sound, I should clarify we’re talking about a low-stress, one-person company that I run from my flat here in Germany.
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All C++20 core language features with examples
Introduction
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IntelliJ IDEA 2021.1
Today is a big day for us – IntelliJ IDEA 2021.1, our first release of the year, is available! Download it from our website or using the Toolbox App. You can also upgrade from inside the IDE or use sn