Published: 2025-08-01 | Origin: /r/programming

The content discusses a dynamic programming problem involving the bursting of balloons in order to maximize coin collection. The problem is appropriately complex for a 2D dynamic programming scenario and cannot be solved using a greedy approach due to the necessity of analyzing all possible bursting orders. Key concepts in dynamic programming required for solving this problem include: - **State**: Represents a unique configuration of the problem, encapsulating the information needed to make decisions. - **Base Case**: The simplest instance that can be solved directly,

Published: 2025-08-01 | Origin: /r/programming

The content emphasizes the importance of user feedback, stating that all input is carefully considered. It also directs users to the documentation for information on available qualifiers. Additionally, there are repeated messages about a loading error, instructing users to reload the page. The content mentions that it has been ported from an original source on GitHub.

Published: 2025-08-01 | Origin: Hacker News

Cerebras is launching two new AI coding plans: Cerebras Code Pro for $50/month and Code Max for $200/month. Both plans offer access to Qwen3-Coder, a powerful coding model capable of generating code at speeds of up to 2,000 tokens per second with a 131k-token context window, aiming to enhance coding efficiency. The service has no proprietary IDE restrictions or weekly limits, allowing seamless integration with any tool that supports OpenAI compatible inference endpoints. The models

Published: 2025-08-01 | Origin: /r/programming

The Engineering With Java newsletter provides a weekly roundup of important developments in Java and Spring Boot. Key highlights include: 1. **Java 20’s Vector API**: Enhances performance in data-parallel tasks with hardware-accelerated SIMD operations, promising up to 4× speed increases while ensuring graceful degradation on unsupported platforms. 2. **Utilization of Java Utility Classes**: Emphasizes the importance of lesser-known utility classes (like Objects, Locale, and Normalizer) for writing clean,

Published: 2025-08-01 | Origin: Hacker News

In winter 2024, the author visits a thrift store and purchases a vintage General Electric (GE) drip coffee maker called Coffeematic, which is from the 1980s. This coffee maker is repurposed into a gaming computer, dubbed Coffeematic PC, blending its original function with computing capabilities. The article discusses the lineage of coffee maker computers dating back to 2002 and mentions an art exhibition titled Sparklines, which features data visualizations inspired by Coffeematic PC

Published: 2025-08-01 | Origin: Hacker News

Texas A&M University has developed a groundbreaking system called CLARKE (Computer vision and Learning for Analysis of Roads and Key Edifices) that uses drone imagery and artificial intelligence to quickly assess damage from disasters such as hurricanes and floods. Led by researchers Tom Manzini and Dr. Robin Murphy, CLARKE can evaluate damage to buildings and infrastructure in just minutes, significantly enhancing the speed of emergency response. The system has demonstrated its effectiveness during the 2024 hurricane season in Florida and Pennsylvania,

Published: 2025-08-01 | Origin: /r/programming

Bob Harper discusses the concept of declarative programming languages on his blog, expressing skepticism about the common association of "declarative" with logic or functional programming. He proposes a straightforward definition: a declarative language is one that has semantics involving nontrivial existential quantifiers. To illustrate this definition, he provides examples, noting that these languages utilize existential quantifiers in their semantics, which can be challenging to handle. Harper demonstrates this with regular expressions, explaining how their semantics is tied to string membership,

Published: 2025-08-01 | Origin: Hacker News

The author, a former vendor and founder of Trieve, experienced frustrating search issues on Mintlify for over a year due to race conditions affecting their search results. These issues persisted despite reporting them in Slack, leading to inconsistent and low-quality search experiences. Now a member of the Mintlify team, the author resolved the problem by implementing an AbortController to abort prior search queries when a new one is entered, ensuring results are relevant to the current input. This successfully improved the search functionality and provided personal satisfaction

Published: 2025-08-01 | Origin: Hacker News

An editorially independent publication supported by the Simons Foundation highlights a remarkable achievement by 17-year-old Hannah Cairo, who solved the Mizohata-Takeuchi conjecture, a longstanding problem in mathematics. Her findings, presented in a paper published on February 10, contradict previous beliefs about function behavior, surprising mathematicians, including Itamar Oliveira from the University of Birmingham, who had been working on proving its truth for two years. Cairo's unconventional educational journey, involving years of homeschooling in the Bahamas

Published: 2025-08-01 | Origin: /r/programming

TypeScript 5.9 has been officially released, enhancing JavaScript with type syntax to help prevent bugs and improve coding experiences in editors like Visual Studio and VS Code. The new version includes fixes since the beta release, notably restoring AbortSignal.abort() in the DOM library, and introduces a section on Notable Behavioral Changes. The `tsc --init` command has been streamlined; while previous versions generated a comprehensive tsconfig.json file, feedback indicated that users typically delete most of its content. The

Published: 2025-08-01 | Origin: /r/programming

The post introduces a method for enhancing the understanding of protocols and concurrent systems through the use of an "inductive invariant," a concept recently added in Quint via a command line argument (--inductive-invariant). Despite its intimidating name, inductive invariants are valuable for proving the absence of design bugs in distributed systems and serve as a useful tool for learning about these systems. The text references a significant paper by Leslie Lamport, emphasizing a key idea that a computing device operates correctly only if it maintains

Published: 2025-08-01 | Origin: /r/programming

The post discusses the development of a virtual machine named Bismuth and aims to explain how a simple "Hello, World" program operates within it. It explores the entire lifecycle of the program, beginning with code written in a language called Bronze. This language is designed to convert smoothly into Bismuth's intermediate representation (IR), which can then be either transpiled to C or compiled into bytecode that the VM can execute. The first part of the program involves setting up a global variable, "

Published: 2025-08-01 | Origin: /r/programming

The content discusses the recent hacking incident involving the "Tea app," which resulted in the leak of 13,000 user photos and IDs. The app, created by someone with only six months of programming experience, allows women to gossip about men on dating platforms. The author of the article has disassembled the app's source code and provides insights into the amateurish mistakes that led to its security breach. The piece also includes a guide on how to disassemble any Android app's source code, highlighting the

Published: 2025-08-01 | Origin: /r/ruby

The content discusses a Ruby gem called WebInspector that is used to scrape a web page and retrieve information such as its title, description, meta tags, links, and images. It emphasizes the importance of user feedback and provides documentation for available qualifiers. Instructions for adding the gem to an application's Gemfile or installing it are also included. The gem is released under the MIT License and there are indications of loading errors that require reloading the page.

Published: 2025-08-01 | Origin: /r/ruby

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Published: 2025-08-01 | Origin: /r/programming

In a recent discussion, the creator of the Odin programming language addressed inquiries about the potential introduction of hygienic macros or similar constructs. The response was a firm "No," indicating that while he is not against macros or metaprogramming, he believes that the design philosophy of Odin should remain pragmatic. He often encounters requests for macros that are based on non-existent problems rather than specific needs. He has found that most challenges can be addressed with alternative language constructs that better fit the issues at hand. Despite

Published: 2025-08-01 | Origin: /r/ruby

The author reflects on their experience transitioning from using PostgreSQL with schema.rb files to MySQL with structure.sql for a new project. They express a newfound appreciation for PostgreSQL's migration handling, which only updates relevant parts of the structure dump. In contrast, MySQL's structure dump includes the AUTO_INCREMENT option that varies with the data present during the dump, leading to inconsistent outputs when multiple team members work on the same codebase. Additionally, differences in MySQL clients, such as mysqldump

Published: 2025-08-01 | Origin: /r/programming

The author, a developer, shares their approach to learning a new codebase, which typically involves creating a UML diagram of its classes—though they often abandon this manual effort. With the introduction of C++26 reflections, the author explores the potential of generating UML diagrams at compile time, suggesting that the changes in C++26 are as significant as those introduced in C++11. They discuss the `lift` (`^^`) and `splice` (`[:]`) operators introduced in P2996, which

Published: 2025-08-01 | Origin: Hacker News

The content discusses the presence of thousands of satellites currently orbiting Earth, highlighting their various uses for government, military, and civilian purposes, including Internet access, television, and GPS. It notes that over half of the 4,550 satellites are used for communications, with this number expected to grow as tech entrepreneurs seek to expand global Internet access. The Dewesoft research team analyzed data to identify the top satellite owners as of September 1, 2021, revealing that SpaceX leads with

Published: 2025-07-31 | Origin: /r/programming

The content by Tom Scheers discusses the use of structs in C to organize data efficiently, while highlighting the importance of understanding memory layout and alignment. It presents a basic struct for a "Monster," consisting of various data fields, and examines its size. Initially estimated at 89 bytes, the actual size is revealed to be 96 bytes due to the inclusion of 6 bytes of padding. The need for this padding relates to the alignment requirements of different data types, such as integers, booleans