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Hackernoon
4w
57
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Refactoring 020 - Transform Static Functions
- Replace static functions with object interactions.
- Problems Addressed: High coupling due to global access, Poor testability, Overloaded protocols in classes, Decreased cohesion
- Steps: Identify static methods used in your code, Replace static methods with instance methods, Pass dependencies explicitly through constructors or method parameters, Refactor clients to interact with objects instead of static functions.
- Benefits: Easier testing, Improved cohesion, Clearer and easier to understand code.
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Dev
4w
425
Image Credit: Dev
Map vs forEach: Understanding the Core Difference for JavaScript Developers
- JavaScript developers often encounter the dilemma of choosing between map() and forEach() methods when iterating over arrays.
- forEach() is used for executing side effects and does not return anything, while map() is used for transforming data and returns a new array.
- forEach() is suitable for tasks like logging or updating external variables, while map() is perfect for data transformation without mutating the original array.
- Understanding the differences between map() and forEach() helps in writing cleaner and more efficient JavaScript code.
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25 Likes
Dev
4w
101
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Advent of Code 2024 - Day 14 : Restroom Redoubt
- Day 14 of Advent of Code 2024 focuses on simulating robot movement and calculating the safety factor.
- The simulation involves parsing robot data, calculating new positions using a formula, and counting robots in each quadrant.
- In Part 2, the program detects the 'Christmas tree' pattern by tracking the time when robots cluster into a tight formation.
- The method works by shrinking a bounding box, calculating density, and identifying the time step with the highest density.
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6 Likes
Dev
4w
88
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My Developer Journey, Captured in My New Portfolio
- John Ossai has launched his developer portfolio.
- He is excited to share his work and is seeking feedback on the design and navigation.
- John specializes in frontend and backend development, as well as database management.
- He is open to work or collaborations.
- Portfolio Link: Portfolio Link
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Dev
4w
243
Image Credit: Dev
Distributed Task Scheduling
- Distributed Task Scheduling provides a solution to challenges faced in managing large-scale online applications during peak seasons.
- It intelligently manages and distributes tasks across multiple nodes in a distributed system to ensure efficient resource utilization and improved performance.
- Key components of distributed task scheduling include task definition, task queuing, task execution, monitoring and reporting, and scaling.
- Real-world applications include data processing pipelines, microservices architectures, automated reporting systems, and cloud computing platforms.
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14 Likes
Medium
4w
106
How “Smart Labels” Transformed Old-School Java Code
- The research paper 'Converting Java Programs to Use Generic Libraries' presents an algorithm that automates the process of transforming legacy Java code to use generic libraries.
- Before generics, Java programmers used 'raw types' which led to errors and inefficiencies.
- The algorithm identifies types of objects in the code and propagates them into variable and method declarations, ensuring consistency.
- The researchers implemented their algorithm in a tool called Jiggetai, offering automation and many transformative benefits.
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6 Likes
Dev
4w
106
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Advanced JavaScript Concepts promises and async/await and try-catch
- Today's advanced JavaScript concepts include ES6+ features, promises, async/await, and try-catch.
- ES6+ features such as destructuring and template literals simplify JavaScript programming.
- Promises and async/await allow for efficient handling of asynchronous operations.
- Error handling can be done effectively with try-catch to ensure smooth user experience.
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6 Likes
Medium
4w
372
Image Credit: Medium
Want to Code Like a Pro? These 10 Tools Are Your Secret Weapon
- VS Code: A lightweight editor with extensive plugin ecosystem and built-in Git integration
- Copilot: AI-powered coding assistant that suggests lines of code and functions as you type
- Docker: Allows creating containerized environments for building, shipping, and running applications
- Postman: Simplifies API testing with features like collections, environment variables, and automated tests
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22 Likes
Dev
4w
345
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How to Get More Software Engineer Interviews by Building in Public
- Building in Public is a strategy to showcase coding projects and expertise online.
- Benefits include showcasing skills, networking, attracting recruiters, and learning opportunities.
- Platforms for Building in Public include LinkedIn, Twitter, GitHub, and Discord.
- Engage with the community by replying to comments, sharing insights, and attending events.
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20 Likes
Dev
4w
239
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Distributed computing made easy
- Distributed computing is two or more servers communicating for a common purpose.
- The computers comprising your distributed system may be on a local network, or they may be worldwide, or some combination of those.
- Most of the time, your distributed system would be on a local network.
- FastCGI, a high-performance binary protocol for communication between servers, clients, and programs of all kinds, may be used in a local network setup.
- Two servers residing on a local network would use the fastest possible means of communication.
- Distributed computing can be used when resources necessary to complete a task aren't all on a single computer, multiple databases need to be accessed, or requests need to be distributed to an application.
- The throughput and latency of distributed computing will vary based on the network(s) setup.
- Secure protocols such as TSL/SSL should be used for communication between servers on the internet.
- A distributed system can be established using physically separate computers or virtual servers such as Virtual Private Servers (VPS) or containers.
- The article provides an example of setting up a simple distributed system using two servers, one acting as a local server and the other as a remote server.
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Medium
4w
137
Image Credit: Medium
Python Matplotlib: Mastering Gridlines with Custom Line Styles
- Gridlines in Matplotlib provide a visual framework for plots, aiding in the precise reading of data points.
- Matplotlib offers extensive customization options for gridlines, allowing you to change their color, line style, and width.
- You can enable or disable gridlines using the grid() function, and customize them on individual axes for more control.
- Mastering gridline customization in Matplotlib is crucial for creating visually appealing and informative data visualizations.
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Dev
4w
26
Image Credit: Dev
The beginner dilemma of programming language
- When starting out as a programmer, beginners often struggle with choosing the right programming language.
- Not knowing their field of interest shouldn't hinder learning, as they can explore multiple languages.
- All languages have their uses, and learning one language helps in learning others more easily.
- Taking the first step and starting to learn a programming language is the most important.
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1 Like
Dev
4w
403
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How To Simplify API Request Handling with Page Object Models in Cypress
- When writing Cypress tests, the author found that there was repetition in defining the same request interception in multiple tests, leading to maintenance issues.
- To solve this problem, the author applied the Page Object Model (POM) pattern to centralize request interceptions and waits.
- By moving the interception and wait logic into a POM class, the author simplified test maintenance and reduced code duplication.
- Additionally, the author mentions that using custom commands can be a better approach if the same interception logic applies to multiple pages or components.
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24 Likes
Medium
4w
381
Image Credit: Medium
Why are we talking about Artficial Intelligence now?
- Artificial Intelligence (AI) is being discussed now due to various reasons.
- The exponential growth of high-performance computing systems, such as GPUs, has enhanced AI capabilities.
- The increasing volume of data available enables AI systems to learn and make accurate predictions.
- Advancements in algorithms, particularly deep learning and neural networks, have empowered machines to process complex patterns in data.
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22 Likes
Dev
4w
235
Image Credit: Dev
What's new in Next.js 15
- Next.js 15 brings exciting updates and improvements.
- Support for React 19, including the new React Compiler and improved hydration error handling.
- Changes in caching behavior and introduction of async request APIs.
- Enhancements in forms, error debugging, self-hosting, and build performance.
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