AgedCoffee

This weekly report mainly summarizes the content from various places.

Technology#

Push Ifs Up And Fors Down#

This article discusses two related rules of thumb: moving if statements up and moving for loops down. Moving if statements up can reduce duplicate checks and simplify control flow, while moving for loops down can improve performance and code readability. These two techniques can be combined and have positive impacts on both performance and code expression. In summary, it is recommended to move if statements up and for loops down.

• Moving if conditions to the caller can reduce duplicate checks, simplify control flow, and decrease the likelihood of errors.
• Batching loop operations can enhance performance, reduce startup costs, and allow for flexible handling of object order.
• Combining conditional statements and loop operations can further optimize performance and improve code expressiveness.

Why Rust in Production?#

The advantages of using Rust in production environments include reliability and stability, predictable runtime behavior, cost savings, and a good developer working environment. It can provide stable services, reduce error correction costs, and save on cloud infrastructure costs. Additionally, Rust has a powerful type system and functional concepts that enable developers to write concise and expressive code.

• The reliability and stability of Rust in production environments are the main reasons attracting enterprises to use it.
• Rust's predictable runtime behavior is crucial for services with high performance requirements.
• Rust's low runtime overhead can lead to cost savings and has good ergonomic features for developers.

How Non-Tech Brands Use AI: Food#

This article discusses the application of artificial intelligence in the food industry. AI plays a significant role in agriculture, crop management, pest detection, reducing environmental impact, automating sorting processes, packaging optimization, sustainable food development, supply chain management, marketing, product personalization, and personalized nutrition. Through the application of AI, the food industry has achieved innovations and improvements in production, distribution, and consumption.

• AI is revolutionizing the food industry, enhancing and innovating all aspects from agricultural production to supply chain management and personalized marketing.
• The application of AI in agriculture allows farmers to optimize growing conditions and increase yields.
• AI can analyze data to optimize planting times and predict yields, ensuring consistent quality of crops.
• AI plays an important role in food packaging, supply chain management, and personalized marketing, improving efficiency, reducing waste, and promoting sustainability.

An Interactive Guide to CSS Grid#

CSS Grid is a part of the CSS language that helps us create complex and fluid layouts. With CSS Grid, we can define rows and columns in CSS without adding DOM nodes. By using the grid-template-columns and grid-template-rows properties, we can define the structure of the grid. Child elements in the grid can be positioned using the grid-row and grid-column properties. Additionally, CSS Grid provides some helper functions, such as the repeat function and grid areas, to facilitate layout creation.

• CSS Grid is the latest and most powerful layout algorithm in the CSS language, used to create complex, adaptive layouts based on different constraints.
• CSS Grid manages layouts by defining grid structures in CSS without needing to add more DOM nodes.
• CSS Grid can define columns using the grid-template-columns property, define rows using the grid-template-rows property, and assign child elements to specified grid cells using the grid-area property.

JavaScript's Reflect and Proxy#

This text mainly introduces two important metaprogramming methods in JavaScript: Reflect and Proxy. Reflect is an important object in JavaScript metaprogramming that can invoke internal methods of objects for some internal operations while simplifying some common function calls. Proxy is a proxy object that can intercept operations on objects by defining trap functions and can define the behavior of object operations arbitrarily. Reflect and Proxy are widely used in JavaScript to achieve higher-dimensional programming capabilities.

• Reflect is one of the important methods in JavaScript metaprogramming that allows internal operations on objects by invoking internal methods.
• Reflect methods can simplify code, for example, using Reflect.apply instead of Function.prototype.apply.call.
• Reflect and Proxy can be used together to define the behavior of object operations arbitrarily.

Web Components Eliminate JavaScript Framework Lock-in#

This article discusses the benefits of using Web components in conjunction with JavaScript frameworks and provides an example of building an application where each component uses a different framework. Web components can reduce coupling between JavaScript frameworks and provide a flexible way to use different frameworks. The article also covers the basic principles of Web components and how to nest components from different frameworks using shadow DOM and slots. Finally, the article demonstrates how to build a mixed-framework application using React, Solid, and framework-less components through a simple todo application example.

• Web components can be used with JavaScript frameworks to reduce the coupling between frameworks.
• By using shadow DOM, web components can encapsulate frameworks within components without affecting other parts of the application.
• Web components can be used for gradual migration or mixed use of different JavaScript frameworks to meet specific needs.

Deep dive into CheerpJ 3.0: A WebAssembly Java Virtual Machine for the browser#

CheerpJ is a WebAssembly-based JVM that can fully run client-side Java applications and traditional applets and libraries in the browser. It requires no compilation, server backend, plugins, or post-processing steps. CheerpJ 3.0 introduces a new JIT-based architecture that makes the tool faster, easier to use, and more powerful. It will be fully released in January 2024, supporting Java 8. CheerpJ supports multiprocessing and multithreading and provides complete Java support, including ClassLoader, reflection access, graphical application support, etc. It also offers advanced Java-JavaScript interoperability, allowing access to JavaScript and DOM from Java and direct interaction with Java methods, objects, and arrays from JavaScript. The architecture of CheerpJ 3.0 consists of a JVM implementation, a virtualized window manager, a virtualized file system, and network support, all achieved through pure WebAssembly or JavaScript. Compared to CheerpJ 2.x, CheerpJ 3.0 is a fully compatible alternative with better performance and more features. Important changes for CheerpJ 2.x users include the removal of Ahead-Of-Time compilation, actual support for ClassLoader, changes to the API, etc. Additionally, CheerpJ 3.0 introduces a new feature called Library mode, allowing Java libraries to be used directly from JavaScript.

• CheerpJ is a WebAssembly-based JVM that can fully run client-side Java applications, traditional applets, and library files in the browser without compilation, server backend, plugins, or post-processing steps.
• CheerpJ 3.0 introduces a new JIT-based architecture that makes the tool faster, easier to use, and more powerful, set to be fully released in January 2024, supporting Java 8.
• CheerpJ can run unmodified Java applications, applets, and JAR library files without needing access to source code or specialized compilation tools, making it particularly suitable for running legacy applications where source code is unavailable or based on third-party commercial libraries.

An Introduction To Full Stack Composability#

This article introduces the concept of composable architecture and how to apply composability in front-end and back-end development. Composable architecture achieves the reusability, extensibility, and maintainability of components by breaking down systems into independent modules and components and using a unified API for communication. The article also discusses methods for achieving composability using React and React-based frameworks (such as Remix and Next.js). Additionally, it mentions using Headless Content Management Systems (like Storyblok) to manage content consistency with architecture. In summary, composable architecture can improve development efficiency, code maintainability, and system scalability.

• Composable architecture is key to building scalable, maintainable, and efficient systems, involving breaking down systems into independent modules and using a unified API for communication.
• Using React can achieve composability in user interfaces and experiences by breaking down interfaces into reusable components to promote code reuse and modularity.
• Using Headless CMS, such as Storyblok, can help align content management with architecture and presentation layers, achieving content composability and flexibility.

Tools#

kirimase#

Kirimase is a command-line tool (CLI) for faster building of full-stack Next.js applications. It accelerates the development process, allowing you to quickly integrate packages and create resources for applications following best practices.

react-quiz-component#

React Quiz Component is a React component for creating and managing quiz games.

Updates#

Node v20.10.0 (LTS) and Node v18.19.0 (LTS)#

Two LTS branches of Node.js have released updates that backtrack features from newer versions: Node v20.10.0 (LTS) gains WebSocket and an experimental flag for automatic detection of ESM code. Node v18.19.0 (LTS) gains npm 10 and adjustments for custom hooks and loaders.

Biome formatter wins the Prettier challenge#

After the release of Biome v1.4.0, we claimed the prize for winning the Prettier challenge. The new version brings a better formatting experience, more formatting options, new VSCode features, and new sponsors. Additionally, some new rules and options have been added. The challenge revealed some differences in Prettier's output, which we have explained on the website. We are committed to further improving compatibility with Prettier and welcome any relevant contributions. Furthermore, some improvements have been made to VSCode extensions and the CLI.

• Biome v1.4.0 has been released, winning the Prettier challenge, providing a better formatting experience and more formatting options.
• The challenge attracted a lot of attention and contributions, completing tasks and providing solutions within hours through collaboration and communication.
• Biome's compatibility score improved from 85% to 96%, which is significant for early adopters of large codebases.

Design#

Psychology of Speed: A Guide to Perceived Performance#

This article discusses people's perceptions of performance and speed and four ways to improve perceived performance. The article points out that perceived performance is subjective and influenced by external factors, making it difficult to quantify. It also describes how people perceive time and speed and how to assess performance based on attention spans. Finally, the article presents four methods to improve perceived performance, including smartly communicating status and progress, always providing actionable content to users, avoiding sudden page movements, and preventing heavy processing.

• Perceived performance refers to the difference between the speed and responsiveness of a website or application and the actual speed and responsiveness, requiring a comprehensive design choice and application of psychological principles to manage.
• People's perceptions of time and speed are subjective and influenced by emotional states, age, task complexity, and other factors, which need to be considered to determine how to provide a fast experience.
• By smartly communicating status and progress, providing timely feedback, avoiding sudden page movements, and reducing heavy processing, perceived performance can be improved.

AI#

Open-Custom-GPT#

Create custom GPT using the assistant API and add/embed it into your website.

Breathing Life Into Sketches Using Text-to-Video Priors#

This article introduces a method for animating hand-drawn sketches. By providing text prompts describing the desired actions, motion can be automatically added to single-person sketches, bringing them to life. The method guides the placement of strokes using motion priors from a pre-trained text-to-video model to achieve natural and smooth motion. The article also showcases some generated animation examples and compares and analyzes the method against other baseline methods.

• This article presents an automated method for adding animation to single-subject sketches by providing text prompts for the desired actions, revitalizing the sketches.
• The method utilizes motion priors from a pre-trained text-to-video diffusion model, guiding stroke placement through score distillation loss to achieve natural and smooth motion.
• With two components of local deformation and global affine transformation, the model can create small local changes and large global movements while maintaining the appearance of the sketch.

Try SDXL Turbo For Free!#

Others#

Whenever you think someone has ruined your life, it is actually you who has ruined your life. The victim mentality is a very harmful mindset.

If you change your mindset: no matter how bad the situation is, it is always your own problem, and you do your best to solve it. I think this is more effective.

-- Charlie Munger, the famous American investor, passed away this week at the age of 99.