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Programming News
Medium
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I’m sending a request to a graphql endpoint using a useQuery hook, I work with react.js
- React is a JavaScript library for building user interfaces with a component-based architecture and a declarative approach.
- Next.js, a React framework, extends React's capabilities with server-side rendering (SSR) and static site generation (SSG) for improved performance.
- GraphQL provides a more efficient and flexible alternative to REST APIs, allowing for more precise data fetching.
- React Query simplifies asynchronous data fetching and caching, reducing boilerplate code and improving application performance.
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Dev
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13
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JS Basic concepts that some people miss
- Promises in JavaScript provide a cleaner and more readable alternative to callbacks, preventing callback hell.
- Promises have stages like Pending, Fulfilled, and Rejected, making asynchronous code execution easier.
- Promise method examples include Promise.all, Promise.allSettled, Promise.race, and Promise.any.
- Throttling limits the execution of a function to prevent it from running more than once in a specified interval.
- Debouncing delays function execution until there is a period of inactivity, useful for scenarios like search inputs.
- Event Propagation includes Event Capturing, Target, and Event Bubbling phases in the DOM.
- Concurrency in JavaScript involves handling multiple processes or threads executing simultaneously to avoid data conflicts.
- DB Isolation Levels such as Read Uncommitted, Read Committed, Repeatable Read, and Serializable help maintain data consistency in Concurrent operations.
- JS Strict Mode enforces rules to make the code more error-free by disallowing certain behaviors like using undefined for 'this' in the global context.
- Prototype in JS refers to a blueprint containing shared properties and methods for instances created from a constructor function.
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Dev
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331
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Mathematical Foundations for Machine Learning in JavaScript
- Machine Learning is powered by math and understanding the underlying mathematics is crucial to truly understanding ML models.
- The core mathematical concepts in ML include scalars, vectors, matrices, vector operations and dot product, matrix multiplication, derivatives and gradient descent, and probability & statistics essentials.
- This blog explains these concepts in a beginner-friendly way using JavaScript, allowing readers to learn through practical coding examples.
- It is a helpful resource for JavaScript developers interested in ML, beginners seeking a deeper understanding of the mathematical side of ML, and those who prefer hands-on learning.
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Dev
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274
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Add live chat to your applications with Rocket.chat
- Adding a chat system to your app can help gather valuable information from users.
- Rocket.Chat's livechat API offers a great option due to its open source nature, comprehensive APIs, and flexible hosting.
- To get started, you need a running Rocket.Chat server and a basic knowledge of JavaScript.
- Setting up the Rocket.Chat server involves creating an account, launching a cloud-hosted server, and configuring it.
- Registering a visitor, creating or retrieving a chat room, and getting livechat configurations are essential steps.
- To connect via WebSocket, establish a connection, keep it alive by responding to 'ping' messages, and subscribe to the chat room.
- Listening for incoming messages and sending livechat messages are part of maintaining the conversation.
- Integrating these steps into your backend or client-side logic is crucial for a functional live chat system.
- Rocket.Chat's livechat API simplifies the process of adding chat functionality to web apps for valuable user insights.
- By exploring Rocket.Chat's documentation, developers can build their live chat systems with ease.
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Mjtsai
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358
Swift Testing: Test Scoping Traits
- Swift 6.1 introduces custom Swift Testing traits for custom scoping of test setup and teardown logic.
- By implementing the TestScoping protocol, custom traits can define how each test or suite applies the trait.
- A trait example shown involves binding a task local value to a mocked resource for test validation.
- The proposal also mentions limitations in accessing instance-level members and includes plans to add a built-in trait type to simplify testing.
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Medium
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362
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Immortality for the Pharaohs: The Secret of Eternal Survival
- The ancient Egyptians developed mummification techniques to preserve the body and ensure immortality.
- The heart of the deceased was weighed against the feather of Maat to determine entry into the afterlife.
- Mummification was initially reserved for kings and dignitaries, but simpler methods emerged for the middle class and poor.
- The ancient Egyptians achieved a form of immortality through their enduring monuments and ideas.
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Medium
3w
340
Unf*cking an AI codebase part 1
- A JavaScript developer was asked to help fix a codebase that had become overly complex due to a misunderstood abstraction.
- The developer had to correct a senior developer and bring attention to the lack of meaningful oversight from management.
- The use of AI as a productivity tool has been effective, with an AI tool becoming a valuable code review assistant.
- AI tooling used by developers has the potential to replace traditional developers in certain tasks.
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Dev
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229
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My starting point for Linux
- The author's favorite blog discusses their journey with Linux as their chosen operating system.
- The author's interest in Linux began when they discovered it through hacking-related content.
- They initially installed Kali Linux on their sister's laptop and found the interface intriguing.
- Their decision to switch to Linux as their primary OS was reinforced by a video promoting its ethical use and importance within the programming community.
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Medium
3w
393
The Debugging Diary: How a Simple Console.log Saved My Sanity
- Adding console.log statements during debugging can save a lot of time and frustration.
- Debugging is considered a superpower among developers as it helps diagnose issues systematically.
- It is important to log the steps taken during debugging and share the experience to help others.
- For complex issues, using the 'debugger' or breakpoints in the code helps with thorough debugging.
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PlanetPython
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101
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PyCoder���s Weekly: Issue #675: Optimization, DuckDB, Outliers, and More (April 1, 2025)
- Python generators provide efficient memory usage and new possibilities for data processing workflows.
- DuckDB is a library that allows using a relational database in Python code.
- Outlier detection plays a crucial role in fraud detection and other applications.
- Python tutorials and resources for improving code quality and web development.
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Medium
3w
411
From Makefile to Nextflow: Modernizing Your Workflow Automation
- Nextflow is a versatile workflow manager aimed at computational pipelines and general-purpose automation.
- It provides containerization support, parallelization, explicit dependency management, logging, resource management, and version control.
- Nextflow offers detailed error tracking, automatic task retrying, and efficient parallelism.
- It also includes explicit dependency management, detailed logging, built-in resource management, and integrated version control.
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Medium
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274
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Low-Code vs No-Code — What’s the Difference?
- No-code platforms allow users to build apps or websites without coding experience by using drag-and-drop elements and preset workflows.
- Low-code platforms offer the same drag-and-drop building blocks but also allow users to write and customize code when needed, providing more control for developers.
- The choice between low-code and no-code depends on the flexibility and needs of the project, as well as the technical expertise of the user.
- For more information, refer to the article 'Create Apps Without Coding: Introduction to Low-Code and No-Code Development' for detailed insights and real use cases.
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Dev
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190
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Why Is This Undefined? JavaScript Traps for Python Programmers
- JavaScript and Python differ in equality, type coercion, and truthy/falsy values.
- Variable hoisting and scoping differ between JavaScript (var, let, const) and Python.
- Functions in JavaScript have 'this' binding while Python uses explicit self parameter.
- JavaScript's default parameters and function arguments differ slightly from Python.
- Arrays and objects behave uniquely in JavaScript with methods like map, filter, and splice.
- Object keys, asynchronous JavaScript concepts (callbacks, promises, async/await), and number oddities are key differences.
- JavaScript has loop peculiarities with for...in, object iteration, date handling, and module systems.
- Common gotchas like semicolons, multiline strings, global scope leakage, and prototype inheritance are highlighted.
- Understanding the event loop, debugging tips, and utilizing tools like ESLint are crucial for JavaScript developers.
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Dev
3w
154
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🎨 svggles – Make Interactive SVG Illustrations in React (with 1 Line)
- svggles is a React utility that enables the creation of interactive SVG illustrations in React projects.
- It allows for SVG-based components to respond to mouse movement, scroll, hover, and custom animations or transformations.
- The package is lightweight, customizable, and designed to seamlessly integrate with modern React applications.
- To use svggles, simply install the 'interactive-illustrations' package and explore the provided playground, documentation, and examples.
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Dev
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84
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From Data to Dashboards: Building an EC2 Cost Analysis Tool with Flask and AWS S3
- This article explores how to build a Flask-based web application that analyzes EC2 cost data, generates insightful visualizations, and leverages AWS S3 for storage and retrieval.
- The application performs data ingestion, data analysis, visualization, storage, and retrieval of EC2 cost data.
- Key components and code snippets include using Pandas for data analysis, Matplotlib and Seaborn for visualization, and boto3 for AWS S3 integration.
- Considerations for security, scalability, error handling, and user experience are highlighted.
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