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What's New in C# 14: Null-Conditional Assignments

news.ycombinator.com Unknown 2025-09-16 09:08:45

C# 14, coming with .NET 10, introduces null-conditional assignment, a feature that lets you safely assign values to properties or indexers without endless if statements. Learn more about this new feature in this article. What's New in C# 14 Series What's New in C# 14: User-Defined Compound Assignments What's New in C# 14: Null-Conditional Assignments If you've ever developed in C#, you've likely encountered a snippet like the one below: if (config?.Settings is not null) { config.Settings.Ret

Topics: conditional customer new null value

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Algebraic Types are not Scary

news.ycombinator.com Unknown 2025-09-18 13:14:38

Algebraic Types are not Scary, Actually Posted on 2025-08-30 You may have heard the term algebraic types before, which initially sounds like an advanced concept, that only someone with a PhD in programming languages can understand. Quite the contrary, algebraic types is a very simple and helpful concept about programming in general. Anyone who knows basic algebra could understand what algebraic types are. In this article I aim to provide an explanation of algebraic types for the working progra

Topics: left right type types value

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Apple Vision Pro gains support for digital prism correction

9to5mac.com Dylan Mcdonald 2025-09-20 15:02:56

A longstanding limitation of Apple Vision Pro was that it did not offer support for vision prescriptions with a prism value. With visionOS 26, however, you can now enter the prism values from your prescription and visionOS will adapt through software. Since the launch of Apple Vision Pro, there has been a warning for those looking to buy the ZEISS Optical Inserts: A very small percentage of people have a prism value added to their glasses prescription. At this time, ZEISS Optical Inserts based

Topics: apple base prescription prism value

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A string formatting library in 65 lines of C++

news.ycombinator.com Unknown 2025-09-24 04:51:28

In this write-up, I will walk you through an implementation of a string formatting library for C++ I came up with for my video game. The end result came out really compact, at only 65 lines of code—providing a skeleton that can be supplemented with additional functionality at low cost. Usage Given a format buffer… char buffer [ 64 ] ; String_Buffer buf = { str , sizeof str } ; …the fmt::format function provided by this library can be called with a format string parameter, containing the char

Topics: buf char format fstr value

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Float Exposed

news.ycombinator.com Bartosz Ciechanowski 2025-09-27 00:11:15

half bfloat float double Value Position within Significand–Exponent Range Evaluation in Base-2 (−1 2 ) 2 × 10 2 ( 2 − 2 ) × . 2 Evaluation in Base-10 × 2 × . Exact Base-10 Value Delta to Next/Previous Representable Value Delta to Next Representable Value

Topics: 10 base delta representable value

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Formally verifying a floating-point division routine with Gappa – part 1

news.ycombinator.com Unknown 2025-09-27 05:35:41

We have recently released a set of optimized assembly-language routines for basic floating-point arithmetic, in Arm Optimized Routines, under an open-source license. These functions perform the same operations as hardware floating point instructions, for example addition, multiplication, and division. However, they are implemented using only integer 32-bit Arm instructions, for Arm CPUs without hardware floating point. Existing open-source libraries such as libgcc and compiler-rt offer similar

Topics: bit code error gappa value

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Yet Another TypeSafe and Generic Programming Candidate for C

news.ycombinator.com Unknown 2025-09-29 18:06:31

MisraStdC A modern C11 library designed to make programming in C less painful and more productive, written in pure C. MisraStdC provides generic containers, string handling, and formatted I/O inspired by higher-level languages while maintaining C's performance and control. Disclaimer: This library is not related to the MISRA C standard or guidelines. The name "MisraStdC" comes from the author's name, Siddharth Mishra, who is commonly known as "Misra" among friends. Table of Contents Features

Topics: char output str strwritefmt value

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Svix (webhooks as a service) is hiring for a founding marketing lead

news.ycombinator.com Unknown 2025-10-12 01:00:04

At Svix, we are looking for smart, high-energy and fast learning individuals that enjoy having developers as their users, and share our values. You will have a huge impact on the trajectory of the company and the product. You will be trusted to take ownership, have autonomy, and be a leader. You will get to solve interesting problems and technical challenges. We move fast, and speed of execution is one of our core values. We are obsessed with providing a great developer experience, and you will

Topics: developer experience fast looking values

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Why shadow AI could be the secret to fixing your company's failing AI projects

zdnet.com Omer Minkara 2025-10-12 21:16:19

BlackJack3D/iStock/Getty Images Plus Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways AI projects are failing because the underlying strategy is flawed. Business leaders should build on projects that employees find useful. The winners will focus on value creation, not cost elimination. AI has become the boardroom obsession of the decade. Yet despite billions in investment and relentless hype, recent independent studies show that most enterprises struggle to turn

Topics: ai customer pilots use value

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How to Give a Good Talk

news.ycombinator.com Michael Greenberg On Mar 2025-10-09 13:42:08

How to Give a Good Talk In computer science, conferences are a focal point of academic attention. Conferences are a moment where computing communities—distributed over the globe—come together. Giving a talk at a conference is an incredible opportunity: for a moment, you have the community’s attention. If you can give a good talk, the community will pay more attention to your work! But what makes a good talk? I spoke at PLMW 2025 on this topic—“How to give a good talk”. You can read an edited t

Topics: audience good talk value work

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A review of Nim 2: The good and bad with example code

news.ycombinator.com Unknown 2025-10-13 03:25:10

I've been using Nim for about 1-2 years now, and I believe the language is undervalued. It's not perfect, of course, but it's pleasant to write and read. My personal website uses Nim. After reading a recent article on Nim ("Why Nim") and the associated HN comments, it's clear that comments and some information about Nim are misleading and outdated. Since Nim 2, a tracing Garbage Collector is not the default nor the recommended memory management option. Instead, the default memory management mod

Topics: code config language nim value

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A Review of Nim 2: The Good and Bad with Example Code

news.ycombinator.com Unknown 2025-10-14 09:25:10

I've been using Nim for about 1-2 years now, and I believe the language is undervalued. It's not perfect, of course, but it's pleasant to write and read. My personal website uses Nim. After reading a recent article on Nim ("Why Nim") and the associated HN comments, it's clear that comments and some information about Nim are misleading and outdated. Since Nim 2, a tracing Garbage Collector is not the default nor the recommended memory management option. Instead, the default memory management mod

Topics: code config language nim value

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An eyecare foundation model for clinical assistance

news.ycombinator.com Wu 2025-10-19 13:57:40

a) For disease detection on CFP, the sample sizes and P values are: DR (n = 1501, P = 0.042), glaucoma suspect (n = 405, P = 0.533), AMD suspect (n = 370, P = 0.627), MMD (n = 643, P = 0.030). For disease detection on OCT, the sample sizes and P values are: ciDME (n = 523, P = 0.002), glaucoma (n = 412, P = 0.333), AMD (n = 379, n = 0.036). The sample size for cataract detection on external eye photo was 198 and the P value was 0.102. Error bars represent 95% CI. b)Segmentation dice similarity c

Topics: cfp detection sample size values

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The Duty-Free Loophole Is Closing. What That Means for You—and Your Packages

wired.com Boone Ashworth 2025-10-19 23:19:13

Want to buy something online and have it shipped into the US? Well, get ready to pay more for the privilege. Starting Friday, small packages imported into the country will be subjected to a duty. The Trump administration is levying a new tax on all packages coming into the country—regardless of value—starting August 29. This is the latest push in President Trump’s global trade war. The new policy is the result of an executive order issued in July that officially suspended the de minimis import

Topics: country fee new sellers value

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Speed-coding for the 6502 – a simple example

news.ycombinator.com Unknown 2025-10-20 04:24:42

Usually clocked at 1MHz, with no hardware support for multiplication or division, and limited support for bit shifting, it is often important to take a step back from an algorithm in order to make it do the same thing, hundreds of times faster. Note: this article doesn’t describe any technological breakthrough or extremely clever new way of doing things. It’s just a real-life example using a little part of an algorithm I made, and where at first, I stopped at step 2 instead of going all the way

Topics: 256 bit carry high value

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To Infinity but Not Beyond

news.ycombinator.com Unknown 2025-11-02 08:30:52

Previously on meyerweb, I explored ways to do strange things with the infinity keyword in CSS calculation functions. There were some great comments on that post, by the way; you should definitely go give them a read. Anyway, in this post, I’ll be doing the same thing, but with different properties! When last we met, I’d just finished up messing with font sizes and line heights, and that made me think about other text properties that accept lengths, like those that indent text or increase the sp

Topics: computed div infinity safari value

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A Lisp in 99LOC

news.ycombinator.com Unknown 2025-11-10 00:37:17

Lisp in 99 lines of C and how to write one yourself In honor of the contributions made by Church and McCarthy, I wrote this project and the accompanying article to show how anyone can write a tiny Lisp interpreter in a few lines of C or in any "C-like" programming language for that matter. I attempted to preserve the original meaning and flavor of Lisp as much as possible. As a result, the C code in this project is strongly Lisp-like in compact form. Despite being small, these tiny Lisp interpr

Topics: lisp list returns tinylisp value

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Bezos-backed Perplexity AI makes surprise bid for Google Chrome

feeds.bbci.co.uk Unknown 2025-11-18 11:43:21

Bezos-backed Perplexity AI makes surprise bid for Google Chrome 2 hours ago Share Save Osmond Chia & Imran Rahman-Jones Business & technology reporters Share Save Getty Images Artificial intelligence start-up Perplexity AI has made a surprise $34.5bn (£25.6bn) takeover bid for the world's most popular web browser, Google Chrome. The three-year-old firm, whose backers include Amazon founder Jeff Bezos and chip maker Nvidia, is headed by a former Google and OpenAI employee. But one technology i

Topics: bid chrome google perplexity value

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FFmpeg 8.0 adds Whisper support

news.ycombinator.com Unknown 2025-11-18 12:19:35

@ -7682,6 +7682,113 @@ There are 6 samples at -4 dB, 62 at -5 dB, 286 at -6 dB, etc. In other words, raising the volume by +4 dB does not cause any clipping, raising it by +5 dB causes clipping for 6 samples, etc. @anchor{whisper} @section whisper It runs automatic speech recognition using the OpenAI's Whisper model. It requires the whisper.cpp library (https://github.com/ggml-org/whisper.cpp) as a prerequisite. After installing the library it can be enabled using: @code{./configure --en

Topics: code default item value whisper

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Generic Containers in C: Safe Division Using Maybe

news.ycombinator.com Unknown 2025-11-24 03:14:06

Generic Containers in C: Safe Division Using Maybe. Martin Uecker, 2025-08-10 I discuss the implementation of type and bounds safe generic containers in C. Previously, I discussed a span type, bounds checking using arrays. and a a vector type. This time, I will discuss maybe inspired by Haskell. This type can used to return a value that may not exist, e.g. because an error was encountered during the computation. The following examples shows for a divide function that catches division by

Topics: esi int maybe return value

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Technical issues of separation in function cells and value cells (1988)

news.ycombinator.com Unknown 2025-11-19 14:13:45

Technical Issues of Separation in Function Cells and Value Cells by Richard P. Gabriel Lucid, Inc. and Stanford University Kent M. Pitman Symbolics, Inc. Copyright 2001 by Kent M. Pitman and Richard P. Gabriel. All rights reserved. 1. Preface This paper is an adaptation of a report produced for X3J13 by the authors, a technical working group engaged in standardizing Common Lisp for ANSI 2. Introduction In 1981 the emerging Common Lisp community turned to Scheme for some of its motivati

Topics: code function lisp list value

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Instacart tops estimates, issues upbeat outlook

cnbc.com Samantha Subin 2025-11-27 08:46:33

The Instacart logo is seen on a smartphone and on a PC screen. Simo, who helped take the grocery delivery company public in 2023 and guided it through a massive growth period during the Covid-19 pandemic, will step down from her position later this month as she joins OpenAI as its new head of applications. "We delivered another strong quarter, reinforcing the essential role we play in helping families save time, money, and effort putting food on the table," wrote outgoing CEO Fidji Simo in a s

Topics: billion company instacart value year

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How to sell if your user is not the buyer

news.ycombinator.com Nate Ritter 2025-11-27 20:09:02

I recently wrote about how your ideal customer is one who values your product the most”. And then quickly, in one of my private communities, I had this question pop up: But how you would talk to your ideal customer if they are not the ones who try the product? In my case -- I totally agree. CTOs / Director of Engineering are probably the ones who make decisions. But it is developers who try the product first. In the article you talk about messaging. I get it. But how practically you can reach o

Topics: dev leadership product user value

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How to Sell if Your User is not the Buyer

news.ycombinator.com Nate Ritter 2025-11-28 08:09:02

I recently wrote about how your ideal customer is one who values your product the most”. And then quickly, in one of my private communities, I had this question pop up: But how you would talk to your ideal customer if they are not the ones who try the product? In my case -- I totally agree. CTOs / Director of Engineering are probably the ones who make decisions. But it is developers who try the product first. In the article you talk about messaging. I get it. But how practically you can reach o

Topics: dev leadership product user value

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Baltimore Assessments Accidentally Subsidize Blight–and How We Can Fix It

news.ycombinator.com Greg Miller 2025-11-28 16:35:34

One of the biggest challenges facing Baltimore is blight. For decades, the city has grappled with population loss, leaving behind thousands of vacant homes and empty lots that scar neighborhoods. These empty spaces not only serve as a constant reminder of visible decline, but also drain city coffers and undermine community safety. Both the city and the state have launched ambitious initiatives to tackle this very problem. But what if the government’s own policies were quietly making the problem

Topics: assessed baltimore land vacant value

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Infinite Pixels

news.ycombinator.com Unknown 2025-11-28 17:12:42

I was on one of my rounds of social media trawling, just seeing what was floating through the aether, when I came across a toot by Andy P that said: Fun #css trick: width: calc(infinity * 1px); height: calc(infinity * 1px); …and I immediately thought, This is a perfect outer-limits probe! By which I mean, if I hand a browser values that are effectively infinite by way of the infinity keyword, it will necessarily end up clamping to something finite, thus revealing how far it’s able or willi

Topics: 33 height line safari value

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Compressing Icelandic name declension patterns into a 3.27 kB trie

news.ycombinator.com Unknown 2025-12-07 03:28:33

Compressing Icelandic name declension patterns into a 3.27 kB trie August 2, 2025 Displaying personal names in Icelandic user interfaces is surprisingly hard. This is because of declension — a language feature where the forms of nouns change to communicate a syntactic function. In Icelandic, personal names have four forms, one for each of the grammatical cases of Icelandic nouns. Take the name “Guðmundur”: Grammatical case Form Nominative Guðmundur Accusative Guðmund Dative Guðmundi Genitive

Topics: declension names node trie value

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Do PE firms create value? How?

news.ycombinator.com Unknown 2025-12-12 03:54:33

What separates the best private equity deals from the rest? Which sectors consistently outperform, and why? How has value creation changed over the years? These are just some of the questions that led us to analyze data from over 10,000 private equity investments globally for our latest “Private Equity Value Creation” report. Here's a summary of our key findings:

Topics: best creation equity private value

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The Useless UseCallback

news.ycombinator.com Unknown 2025-12-19 02:44:26

28.07.2025 — React, JavaScript, useCallback, Performance — 5 min read #1: The Uphill Battle of Memoization #2: The Useless useCallback I thought I'd written enough about memoization by now, but I feel there is one pattern I'm seeing a lot lately that makes me think otherwise. So today, I want to look at useCallback , and to some extent useMemo , in situations where I think they are totally pointless. Why memoize? There's usually only two reasons to create a memoized version of a function wi

Topics: component copy function usecallback value

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SDR42E1 modulates Vitamin D absorption and cancer pathogenesis

news.ycombinator.com Hendi 2025-12-28 17:06:43

Conclusion: These findings establish SDR42E1 as a key modulator of vitamin D-related pathways and highlight its potential as a therapeutic target for addressing vitamin D deficiency and associated pathologies, including cancer. Results: Integrated transcriptomic and proteomic analyses revealed significant dysregulation of sterol absorption and metabolism (fold change (FC) = 1.8, P = 0.007) and cancer-related signaling pathways (FC = −1.7, P = 0.02). Notably, key differentially expressed genes i

Topics: 10 fc sdr42e1 value vitamin

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Latest Tech News

What's New in C# 14: Null-Conditional Assignments

Algebraic Types are not Scary

Apple Vision Pro gains support for digital prism correction

A string formatting library in 65 lines of C++

Float Exposed

Formally verifying a floating-point division routine with Gappa – part 1

Yet Another TypeSafe and Generic Programming Candidate for C

Svix (webhooks as a service) is hiring for a founding marketing lead

Why shadow AI could be the secret to fixing your company's failing AI projects

How to Give a Good Talk

A review of Nim 2: The good and bad with example code

A Review of Nim 2: The Good and Bad with Example Code

An eyecare foundation model for clinical assistance

The Duty-Free Loophole Is Closing. What That Means for You—and Your Packages

Speed-coding for the 6502 – a simple example

To Infinity but Not Beyond

A Lisp in 99LOC

Bezos-backed Perplexity AI makes surprise bid for Google Chrome

FFmpeg 8.0 adds Whisper support

Generic Containers in C: Safe Division Using Maybe

Technical issues of separation in function cells and value cells (1988)

Instacart tops estimates, issues upbeat outlook

How to sell if your user is not the buyer

How to Sell if Your User is not the Buyer

Baltimore Assessments Accidentally Subsidize Blight–and How We Can Fix It

Infinite Pixels

Compressing Icelandic name declension patterns into a 3.27 kB trie

Do PE firms create value? How?

The Useless UseCallback

SDR42E1 modulates Vitamin D absorption and cancer pathogenesis

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