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Programming News
Medium
1w
363
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Designing in the Dark: How We Built and Shipped Dark Theme at Scale
- The project began with auditing the light theme and implementing a design token system.
- Hard-coded colors in the UI were replaced with tokens to make the system maintainable for dark theming.
- The dark theme tokens were created by focusing on semantic structure.
- The team is planning to build a single review page for future testing and visual audits.
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21 Likes
Medium
1w
321
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From Zero to REST API: A Step-by-Step Guide with Spring Boot
- This article provides a step-by-step guide on creating a simple REST API with Spring Boot.
- The author assumes that readers have already installed Java and Spring Boot environment.
- The article suggests using the Spring Initializr plugin in VSCode to create a Spring Boot project.
- Instead of retrieving data from a database, the API reads from a .json file and uses a model class based on the file format.
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Nordicapis
1w
196
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‘Cloud Native Data Security with OAuth’ Breaks Down Zero-Trust API Design
- APIs play a crucial role in cybersecurity but can also pose security risks if not designed properly.
- Cloud Native Data Security with OAuth emphasizes the importance of architectural solutions for data security in APIs.
- The book explains scalable zero-trust architecture principles and implementation without vendor dependence.
- OAuth 2.0, specified by RFC 6079, is essential for API-first security scalability and extensibility.
- Access tokens, integral to OAuth, validate API calls, making cloud-native security platform-agnostic.
- OAuth architecture involves Resource Owner, Resource Server, Client, and Authorization Server roles in securing APIs.
- Zero-trust architecture, as discussed, is crucial for addressing internal and external threats in modern API security.
- Components of a zero-trust system include an authorization server and a policy engine for comprehensive security governance.
- Access tokens like JWTs are the backbone of zero-trust authorization, providing verified security context for API transactions.
- Implementation of zero-trust authorization in OAuth involves validation of digital signatures and key management strategies for secure API operations.
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11 Likes
Dev
1w
51
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The Art of Serialization: JSON Sips Tea, Protobuf Chugs Espresso
- JSON and Protobuf are two different serialization formats with different philosophies.
- JSON is easy to read and debug, but it relies on reflection and is verbose.
- Protobuf, on the other hand, is a high-performance format that is compact and fast.
- Benchmark tests have shown that Protobuf is significantly faster and smaller than JSON.
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Dev
1w
332
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Developers should have been replaced a long time ago. 🤔
- Developers should have been replaced a long time ago.
- Several waves of innovation, including high-level languages, the Internet, and low-code/no-code, have not decreased the number of software developers.
- GenAI, the current wave, is expected to replace developers, but it may actually increase demand for them as AI tools advance and accelerate development processes.
- Continuous learning and improving skills remain crucial for developers to adapt to shifts in the industry.
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19 Likes
Dev
1w
307
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2179. Count Good Triplets in an Array
- Given two permutations nums1 and nums2 of length n, find the total number of good triplets.
- A good triplet consists of 3 distinct values in increasing order in both arrays.
- Precompute positions of elements in both arrays and create element structures.
- Calculate left count of elements before each element using Fenwick Tree.
- Calculate right count of elements after each element using reverse Fenwick Tree.
- Combine left and right counts to get the total number of good triplets.
- Implementation provided using PHP with a class for Fenwick Tree and the main function.
- Use of Fenwick Tree allows efficient counting of elements for the solution.
- The approach results in O(n log n) time complexity suitable for large inputs.
- Overall, the method efficiently counts good triplets in permutations using data structures.
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18 Likes
Medium
1w
158
Introduction to SQL
- SQL is a language used to communicate with databases and is useful for various tasks.
- Databases are organized into schemas, which help organize related tables.
- SELECT statement is used to retrieve specific data, and WHERE clause helps in filtering records.
- Other commands like GROUP BY, ORDER BY, LIMIT, UPDATE, and DELETE are also important for data manipulation in SQL.
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9 Likes
Medium
1w
119
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Getting Started with GitHub Actions and Workflows for Terraform Deployment with Azure Cloud
- GitHub Actions is an automation tool that allows developers to create CI/CD pipelines.
- A GitHub Workflow is a set of automated tasks defined in a YAML file.
- GitHub Actions and Workflows automate software development, saving time and improving productivity.
- GitHub Actions and Workflows can be used to automate Terraform deployments on Azure.
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7 Likes
Medium
1w
226
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Python & Mycroft: Breathing New Life into Old Smart Phones and Smart TVs
- Mycroft, a voice assistant software, continues to evolve despite server shutdown.
- Developers and hobbyists are keeping Mycroft alive by updating and building skills.
- Mycroft can now be run on Linux, Raspberry Pi, Docker, and even old Android phones.
- By using Termux, a terminal emulator for Android, Linux can be installed on old phones.
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13 Likes
Medium
1w
312
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Is Your Business Ready for Kubernetes?
- Kubernetes is powerful, flexible, and scalable, but not a one-size-fits-all solution.
- The appropriate time to consider Kubernetes depends on the size and stage of your business.
- For small businesses and simple tech stacks, Kubernetes is overkill and better alternatives exist.
- For businesses with distributed teams, numerous microservices, and serious uptime requirements, Kubernetes is a must-have.
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18 Likes
Dev
1w
132
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Developing a Web MRZ and VIN Scanner with JavaScript and HTML5
- Developing a Web MRZ and VIN Scanner using JavaScript, HTML5, and Dynamsoft Capture Vision SDK enables scanning MRZ and VIN directly in the browser.
- The tutorial covers setting up HTML structure, initializing MRZ and VIN recognition engines, accessing the camera, implementing scanner logic, drawing overlays and results, and running the MRZ/VIN scanner.
- HTML structure includes sections for license key setup, input source selection, scanning mode toggle, image display, camera stream, and live scanning results.
- The recognition engines for MRZ and VIN are initialized in the activate() function, setting up the license key, loading required models, and registering result receivers for MRZ and VIN.
- Accessing the camera involves using Dynamsoft Capture Vision SDK's CameraEnhancer and CameraView classes for managing camera access and live video display.
- Scanner logic involves methods like capture() for image recognition and startCapturing() for continuous camera scanning, distinguishing between MRZ and VIN modes.
- Drawing overlays on images and video streams helps highlight recognized areas, with parsed results displayed in a text area for detailed information.
- To run the Web MRZ/VIN scanner, start a local server using Python and access the project directory through a web browser at http://localhost:8000.
- The source code for the MRZ/VIN scanner can be found on GitHub for reference and further exploration.
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7 Likes
Dev
1w
295
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🚀 From a Problem to a Project: My First Real-World Development Journey 🌍
- After encountering various issues on his college website, the author decided to embark on a mission to create a complete Education Management System.
- Using the MERN Stack, the author managed the frontend, backend, UI/UX design, REST APIs, database, deployment, and authentication for the project.
- Despite initial struggles and lack of knowledge, the author persisted in learning new concepts and solving problems, gaining immense growth through the project.
- The frontend journey involved restructuring the React codebase to be clean, reusable, and scalable by adopting principles of Atomic Design.
- For the backend, the author transitioned from MVC pattern to a modern file structure with routing and Object-Oriented Programming, resulting in a clear and powerful backend.
- The author incorporated continuous learning by adopting TypeScript for better type-checking and improving problem-solving skills through learning Data Structures & Algorithms.
- Through collaboration and open source contributions, the project gained global recognition and support with various developers contributing to features, UI/UX, and bug fixes.
- Key features of the project include an online admission system, admin dashboard, online fee payment, photo albums, responsive UI, and a functional 'Contact Us' page.
- The project taught the author problem-solving, project leadership, code structuring, adaptability under pressure, collaboration, and perseverance.
- The author expresses gratitude to contributors and supporters, inviting more individuals to join in developing the project further.
- The project remains open to contributions, encouraging developers, designers, students, and tech enthusiasts to participate in its growth and development.
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Javacodegeeks
1w
132
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Mocking Serverless & gRPC: When Mockito Isn’t Enough
- Modern distributed systems combine serverless functions and gRPC microservices, creating new testing challenges that traditional mocking tools can’t handle.
- The limitations of classic mocking (Mockito) for gRPC services, serverless dependencies, and protocol buffers.
- Solutions for gRPC in-process testing and proto-mocking using Protobuf matchers.
- Serverless mocking using WireMock and TestContainers for AWS Lambda and DynamoDB local testing.
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7 Likes
Dev
1w
81
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Robust WebSocket Reconnection Strategies in JavaScript With Exponential Backoff
- WebSockets enable real-time communication between clients and servers, but handling connection drops gracefully is critical.
- A reconnection system, using exponential backoff with jitter, ensures reliability and server-friendliness.
- The guide provides steps to build a reconnection strategy using exponential backoff with jitter.
- Implementing a solid reconnection strategy with exponential backoff and jitter improves the resilience and reliability of WebSocket-based applications.
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4 Likes
Dev
1w
376
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Designing a Plugin System in TypeScript for Modular Web Applications
- A plugin system in TypeScript can offer flexibility and extensibility to web applications.
- The benefits of using a plugin architecture include modularity, extensibility, and customizability.
- The process involves defining a plugin interface, creating a plugin manager, implementing plugins, and using the plugin system.
- Advanced ideas for plugins include dynamic importing, versioning and dependency checks, and scoped lifecycle hooks.
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