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LiveBeats: Building a social music app with Phoenix LiveView
Debut of LiveBeats social music app.
New
The latest blog posts to take off on Hacker News. 21,827 posts.
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Postman Now Supports gRPC
We are excited to announce first-class support for gRPC in Postman. Learn how to get started today.
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An introduction to type programming in TypeScript
The official site of Zhenghao He, a software engineer and a TypeScript/JavaScript enthusiast.
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Code colocation is king
A simple principle to help structure code better
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Building a Cross-Platform Web and Mobile App from the Ground Up
“Why can’t we just write this code once and have it just work across Web, Android and iOS?” As a mobile engineer who has spent both a significant portion of his career copying the exact same product from iOS to Android, I’ve asked myself this question many times.
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SimpleDB: A Basic RDBMS Built from Scratch
My databases class at UCLA wasn’t very challenging so I never truly understood the internals of databases. This always bothered me so I vowed to build a simple database from scratch to learn the fundamentals. MIT's Database Systems course has their students implement a simple database from scratch and it provided me…
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Pay attention to WebAssembly
Read in Japanese thanks to the folks at POSTD.
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The Awk state machine parser pattern (2018)
I run the Ganglia Monitoring System on the home lan to keep an eye on temperatures, loads, disk usages, network throughput and such on the gateway and, more recently, my desktop workstation as well 1 1 The primary reason is that I have noticed some instability, and I would like to know if it’s related to temperature…
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Midnight Commander Tips and Tricks
A good tutorial can be found at Midnight Commander Guide . There is a mail list for MC in which you can ask questions and share tips: https://mail.gnome.org/archives/mc/ . There at least a half-dozen of entry level tutorial for Mc on the Web including several YouTube videos (just search for Midnight commander on…
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Uninitialized memory: Unsafe Rust is too hard
Why unsafe Rust is a complex and user unfriendly experience.
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The case of the mysterious --help directory (2020)
For quite some time—as my research will show, March 2016—, I have been annoyed by a directory named --help showing up in my home directory (and sometimes in others).
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What is the inverse of a circle?
In this post we’ll try to make sense of what we’re seeing, and try to understand what it means to invert a circle!
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Request bodies in GET requests
12 years ago I asked on Stack Overflow: Are HTTP GET requests allowed to have request bodies? . This got a 2626 upvotes and a whopping 1.6 million views, so clearly it’s something lots of people are still curious about, and in some cases disagree with the accepted answer.
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Tech debt gets worse before it gets better
Projects to pay down tech debt tend to start by making more tech debt. The level of tech debt gets worse before it gets better. The new, cleaner code is just adding to the mess until it allows you to finally delete the old code.
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An update on rust/coreutils
TLDR: we are making progress on the Rust implementation of the GNU coreutils. Well, it is an understatement to say my previous blog post interested many people. Many articles, blog posts and some …
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Devious SQL: Message Queuing Using Native PostgreSQL
An interesting question came up on the postgresql IRC channel about how to use native PostgreSQL features to handle some sort of queuing behavior. While the specific usage was related to handling serialization of specific events to some external broker, the specifics are less important than the overall structure.
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Async Rust: Panics vs. Cancellation
One of the things people often complain about when doing Async Rust is cancellation. This has always been a bit confusing to me, because it seems to me that async cancellation should feel a lot like panics in practice, and people don’t complain about panics very often (though they do sometimes). This post is the start…
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There’s No Such Thing as Clean Code
Everyone seems to be striving for ‘clean’ code at the moment. You can’t read a blog post without the author telling you how clean their approach is. Engineering teams get together and discuss which of the possible solutions is the cleanest. Other developers assure you that they practice ‘clean code’.
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Writing an open source GPU driver without the hardware
Until now, no Valhall devices (Mali-G57, Mali-G78) ran mainline Linux - whilst this made driver development obviously difficult, there’s no better time to write drivers than before the devices even get into the hands of end users.
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The baseline for web development in 2022
TL;DR:The baseline for web development in 2022 is: low-spec Android devices in terms of performance, Safari from two years before in terms of W...
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Why can't you reverse a string with a flag emoji?
davidamos.dev is your first and best source for information about davidamos. Here you will also find topics relating to issues of general interest. We hope you find what you are looking for!
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Speeding up VSCode extensions in 2022
I was curious to know if the functionality of VSCode can catch up with the native speed of some editors, such as Sublime. That led me to seek out where some bottlenecks may be and where time is being spent. In this post I look at both the internals and extensions.
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Aligning Language Models to Follow Instructions
We’ve trained language models that are much better at following user intentions than GPT-3 while also making them more truthful and less toxic, using techniques developed through our alignment research. These InstructGPT models, which are trained with humans in the loop, are now deployed as the default language models…