Published: 2025-08-10 | Origin: /r/programming

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Published: 2025-08-10 | Origin: /r/programming

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Published: 2025-08-10 | Origin: /r/programming

The content introduces the concept of predicting values and visualizing trends through hands-on examples. It begins with a simple exercise of predicting a missing value based on a defined pattern, demonstrating how humans can intuitively recognize relationships in data (in this case, that each value equals four times its key). However, it emphasizes that computers require guidance to learn these patterns, which is the essence of Machine Learning. The text focuses primarily on Linear Regression, an algorithm used in machine learning for making predictions. It clar

Published: 2025-08-10 | Origin: Hacker News

The content discusses the usage of the verb "try" in English, highlighting that it can be followed by three types of phrases: noun phrases, infinitival verb phrases (with "to"), or verb phrases ending in -ing. It also notes that "try" can be used with the conjunction "and" followed by a bare verb form, exemplified by the phrase "I'll try and eat the salad." This construction is similar in meaning to "try to," although it is considered prescriptively

Published: 2025-08-10 | Origin: /r/programming

The content is the second part of a series describing an individual's career journey after moving to a critical product team within their company. Initially concerned that focusing on product delivery might limit their growth, the individual opted to work on software modernization tasks to enhance their skills. Over two years, they successfully updated libraries, built a new deployment pipeline, and improved security measures. Feeling confident in their contributions, they approached their manager about a promotion, highlighting the positive changes they had implemented. However, the manager indicated that the

Published: 2025-08-10 | Origin: /r/programming

The article argues that the concept of "function colors," which represent different runtime requirements for executing code, is often misunderstood. Many developers view these colors as mere side effects or type system problems, which leads to ineffective solutions aimed at eliminating or managing them. This misunderstanding causes a misapplication of tools like effect systems and syntactic adjustments, which fail to address the deeper issue. Function colors highlight significant differences in execution contexts that are not trivial annotations but essential signals for both programmers and compilers. Instead of

Published: 2025-08-10 | Origin: /r/ruby

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Published: 2025-08-10 | Origin: /r/programming

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Published: 2025-08-10 | Origin: /r/programming

The content discusses a Python implementation of secp256k1 elliptic curve cryptography, specifically focusing on ECDSA signing and verification. The implementation includes essential features such as full curve mathematics, key generation, the ability to generate a random 256-bit private key, and deriving the corresponding public key. It uses Keccak-256 for hashing input messages and produces an ECDSA signature (r, s), which can then be verified using the public key. Additionally, the text emphasizes the importance

Published: 2025-08-09 | Origin: /r/programming

The Go Interview Practice repository offers a series of coding challenges designed to help users prepare for technical interviews in Go programming. Users can solve problems, submit their solutions for instant feedback, and track their progress through scoreboards that display challenge completion and rankings. The platform features a user-friendly web interface, a leaderboard to showcase top developers, and a structured learning path through practical challenges involving Go packages, including cobra, fiber, gin, and gorm. Users must fork the repository before cloning to contribute their solutions.

Published: 2025-08-09 | Origin: Hacker News

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Published: 2025-08-09 | Origin: Hacker News

The blog details the author's experience of gaining access to over 22 internal Microsoft services after exploring Microsoft's aka.ms URL shortener. While working on documentation, the author became curious about what happened when accessing the main aka.ms page, only to find a login screen meant for Microsoft employees. After a few unsuccessful login attempts, the author discovered an indexing service related to aka.ms links, which led to another domain, eng.ms. Attempting to log in there resulted in a consent prompt for sharing profile information;

Published: 2025-08-09 | Origin: Hacker News

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Published: 2025-08-09 | Origin: Hacker News

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Published: 2025-08-09 | Origin: Hacker News

The content discusses the Intel 386 processor, released in 1985 as the first 32-bit chip in the x86 line. It details the chip's packaging, which consists of a ceramic square with 132 gold-plated pins. A 3-D CT scan revealed the intricate internal structure, including six layers of complex wiring and nearly invisible metal connections. The chip features two separate power and ground networks for I/O and CPU logic. Intel opted for the custom 132-pin ceramic package, designed

Published: 2025-08-09 | Origin: Hacker News

On August 9, 2025, the author gave a talk on prompt injection and related security challenges at the Bay Area AI Security Meetup. Although the talk wasn't recorded, they created an annotated presentation with slides and notes. The presentation includes their hobby of coining new terms in the field. Prior to the talk, an audience member inquired about pelicans, prompting the speaker to quickly add a related photograph as a backdrop. In the discussion, the author described prompt injection as analogous to SQL injection

Published: 2025-08-09 | Origin: Hacker News

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Published: 2025-08-09 | Origin: /r/programming

WRKFLW is a command-line tool designed for testing and executing GitHub Actions workflows locally, without needing a full GitHub environment. It enables developers to validate workflows on their machines prior to deployment. WRKFLW supports various container runtimes, like Podman and Docker, to run workflows in isolated environments. It can be installed via Rust's Cargo package manager and is user-friendly, automatically detecting workflows from the project’s directory. Key features include: - Interactive terminal user interface (TUI

Published: 2025-08-09 | Origin: Hacker News

The author reflects positively on the past 10 months of OpenFreeMap, noting the stability of their architecture, support from Cloudflare, and efficient server performance. However, they suddenly encounter a significant issue: an unexpected surge of traffic with 3 billion requests and 215 TB of data transferred in just 24 hours. This alarming spike indicates a rate of 100,000 requests per second, and despite the traffic, only a small percentage of requests are failing. The surge is attributed to a new

Published: 2025-08-09 | Origin: Hacker News

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