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Understanding Protocol Buffers: A Fast Alternative to JSON

Protocol Buffers (Protobuf) is a powerful, compact, and lightning-fast data serialization format developed by Google.
Protobuf offers several advantages over JSON, including compactness, speed, schema evolution, and efficiency at scale.
JSON is still suitable for human-readable use cases and simple systems, while Protobuf excels in large-scale data exchange, low-bandwidth environments, and API schema evolution.
Whether to choose JSON or Protobuf depends on specific needs, but Protobuf is a solid choice for high-performance applications.

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Medium

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3 must-have python projects to add to your portfolio in 2025

Having an AI-based Python project on your portfolio showcases technical skills and positions you as a valuable asset to employers.
AI is used by businesses to automate tasks, improve operational efficiency, and stay competitive in the market.
Examples of AI projects include creating applications that save time and demonstrate real-world implementation of Python.
Automation projects are also valuable to employers as they show an understanding of the value of time and the ability to create efficient solutions.

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Dev

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My Python Language Solution to Task 1 from The Weekly Challenge 299

The Weekly Challenge is a friendly competition in which developers solve tasks.
Task 1 of The Weekly Challenge 299 was to replace words in a sentence.
The given solution uses two functions: replace_word and replace_words.
The solution is straightforward and helpful for beginners.

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Dev

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Sources of Conviction, in Building LiveAPI

We are a small team of passionate engineers, working on LiveAPI for the past six months or so.
We have overcome numerous challenges and have maintained a sharp focus on delivering value to engineering organizations.
Here are the sources of conviction that keep us going: solving an old problem in a new way, cutting down effort, being bootstrapped, building a culture of responsibility and commitment, having a young and experienced team, riding the wave of interest in AI, being engineers ourselves, having a clear stance on pricing, being the first to apply AI to documentation generation, and being willing to learn, listen, and adapt.
We believe in LiveAPI and its potential to improve the lives of engineering organizations worldwide.

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Dev

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How to Excel in Problem-Solving and Collaboration as a Software Engineer 💯

Becoming a great software engineer goes beyond technical proficiency.
Sharpen problem-solving skills through consistent practice and building side projects.
Master collaboration by working well in Agile teams, participating in code reviews, and improving communication.
Investing in problem-solving and collaboration skills is crucial for career success in software engineering.

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Dev

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Big O Notations

Big O Notation is a method to measure how fast an algorithm is running.
Temporal Complexity determines how long an algorithm takes to execute relative to the input size.
Spatial Complexity determines how much memory is allocated to find the item we need.
Big O Notation helps in determining how scalable an algorithm is.
The execution time of an algorithm is denoted using Big O Notation.
Temporal constant with O(1) defines the operations that take a constant execution time.
Linear time with O(n) defines that execution time increases in proportion to the size of an array.
Logarithmic time with O(log n) means input size increases linearly, however, execution time increases logarithmically.
Linearithmic/quasilinear time with O(n log n) is a moderately growing time complexity that is implied while performing logarithmic operations n times.
Quadratic time O (n²) is when the execution time increases quadratically with the number of inputs. It generally happens when reading a matrix or when nested loops are present.

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Dev

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Testing REST APIs using Jest and Supertest ✅

To set up unit tests for API endpoints, you need to install Express, Jest, and Supertest packages.
Create a directory structure and a package.json file with the necessary dependencies.
Create a simple express server that handles POST requests and returns status 400 Bad Request if either the title or body is missing.
Create a test file using Supertest to make HTTP requests and compare response status codes with expected values.

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Dev

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📊 AI Dashboard Builder: Create Insightful Dashboards just Droppping your Data

AI Dashboard Builder is a project that makes data visualization accessible through AI.
You can create dashboards by uploading your data and letting an AI algorithm infer relevant visualizations.
Key features include privacy-focused local models, support for multiple LLM providers, and exportable visualization specifications.
Contributors are welcomed for various areas such as Python development, UI/UX design, data visualization, and technical writing.

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Dev

106

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Car Dashboard Monitor Interface

This project involves creating an interactive Car Dashboard Monitor interface using HTML and CSS.
The interface will include a speedometer, fuel gauge, and warning lights.
The goal is to design a visually appealing and functional dashboard that is responsive.
Additional enhancements can be made by adding JavaScript functionality and improving the design for mobile screens.

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Dev

297

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Goodbye Postman, Hello Insomnia: A Faster Way to Test APIs ⚡

Insomnia is a lightweight and developer-friendly alternative to Postman, offering a faster way to test APIs.
Insomnia supports HTTP requests, event stream requests, GraphQL requests, gRPC requests, and WebSocket requests.
Compared to Postman, Insomnia is lightweight, has built-in GraphQL support, supports real-time API testing with WebSockets and gRPC, and offers a cleaner interface.
Insomnia is praised for its lightweight and fast performance, beautiful simplicity, powerful protocol support, and extensibility through a plugin ecosystem.

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Medium

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Beautiful purple thoughts

Outixs has a robust transaction model that integrates Bitcoin UTXOs with Nostr events, enabling complex interactions.
Key components of Outixs transactions include UTXO inputs and outputs, Nostr events, state management, compression, and finalization.
Bitcoin provides the secure base layer while Nostr's event-driven framework enables real-time interactions in Outixs.
Outixs SDK offers UTXO fetching, event-driven architecture, efficient anchoring, and modular design for decentralized applications.

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Medium

270

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Understanding the Differences Between NaN vs Null vs None Values in Python

The difference between NaN, None, and null in python and when to use each
In pure Python, you can assign a string a value or set it as empty '' or None.
Null is not an option… you can choose to set it as 'null' but there could be some issues down the road with this (because it doesn’t evaluate to null in Python).
Numpy’s np.nan value actually evaluates to the ‘float’ class here, and surprise surprise, it evaluates to Boolean value of True.
Test cases have been done for each of the Empty string, None, NaN, Zero values to see how python treats each of these values.
While summing a list of values (which include an np.nan value) doesn’t throw an exception… it returns nan! It does not exclude the nan value (which is probably what you want to do).
Adding (or multiplying) an np.nan value by anything results in, you guessed it, an nan value again.
np.nansum(my_list) will ignore np.nan values and treat them as 0’s in summation so there are no errors generated.
At this point, my brain is fried and I want it to absorb what I’ve learned.
For a production codebase, it is better to simply use python's None.

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Dev

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LeetCode: Roman Numeral to Integer

Roman numerals are an ancient number system that still finds use today.
Converting them to regular integers is a common programming challenge.
This solution uses a symbol mapping and a comparison technique to convert Roman numerals to integers.
The code is concise and capable of handling all valid Roman numeral inputs.

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Dev

430

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Computer Graphics: Free Learning Resources for Aspiring Developers

The world of computer graphics offers opportunities for developers and designers in 3D modeling and visual computing.
There are curated free online tutorials available for learning computer graphics.
Topics covered include 3D modeling, GPU programming, and ray tracing.
GetVM Playground is a browser extension that enhances learning and practice of computer graphics.

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Medium

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PermianChain exec sees $16 billion opportunity in gas-flaring energy

Gas-flaring cryptocurrency has been touted as a $16 billion opportunity by PermianChain.
Digital assets, including cryptocurrencies, provide adaptability and resilience in the energy supply chain.
Cryptocurrency is a tool with the potential to tap into massive energy resources responsibly and sustainably.
Gas-flaring cryptocurrency presents both financial and environmental implications.

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