Blockchain

[Tutorial 2/4] Thorough Testing for ERC20 Token Presale Smart Contract (DeFi Central)

This article shows how to thoroughly test the DeFi Central ERC20 token presale smart contract using Hardhat and Chai on the Ethereum Sepolia testnet. We’ll cover testing all key functionalities, including token purchases with multiple currencies, claiming, refunds, and withdraw functions. Testing smart contracts on a testnet before mainnet deployment is crucial for ensuring functionality…

Culture and Methodologies Testing, Deployment, and Maintenance

The Ultimate DevOps Guide for 2025: Roadmaps, Skills, and Resources

In the ever-changing tide of today’s technological ecosystem, DevOps holds an important place in terms of efficient software development and deployment. With the view to creating a collaborative culture between development and operations teams, DevOps ensures that the delivery cycles of your products are faster, the quality of those products is improved, and your workflows…

Blockchain

[Tutorial] Creating an ERC20 Token Presale Smart Contract (DeFi Central) on Ethereum Using Solidity

ERC20 tokens are a foundational element of decentralized finance (DeFi) and blockchain initiatives. These fungible tokens adhere to the ERC20 Smart Contract standard, ensuring seamless compatibility within the Ethereum network. Presales serve as essential fundraising mechanisms, enabling projects to distribute tokens to early supporters while securing initial capital. This guide provides a step-by-step approach to…

Uncategorized

2024 Good Links List

Developer Tools & Platforms Design & UX Resources Analytics, Monitoring & Marketing AI & Data Workflow & Project Management E-Commerce & Payments Inspiration & Learning Web3 & Blockchain Others & Miscellaneous Views: 433

Culture and Methodologies Testing, Deployment, and Maintenance

DevOps : Guide Complet pour Optimiser vos Processus, Accélérer vos Déploiements et Révolutionner votre Culture Logicielle

Introduction Dans un monde où la rapidité et la fiabilité sont essentielles, le DevOps est devenu une approche incontournable pour l’industrie technologique. Il s’agit d’une méthodologie qui ne se limite pas aux outils ou aux processus ; elle incarne une philosophie de collaboration, d’automatisation et d’amélioration continue. À travers cet article, nous explorerons le DevOps…

Software Design and Architecture Coding

900+ Free Developer and IT Certifications

In 2024, free IT Certifications have become harder to find. However, for those who know where to look, there’s still a treasure trove of free certifications available online for mastering software development. In this article, we’ve curated a comprehensive list of all the free certificates and badges scattered across the internet. Collectively, the platforms featured…

Testing, Deployment, and Maintenance

Advance DevOps Interview Questions (Q&A)

General DevOps Concepts DevOps Tools and Technologies Continuous Integration and Continuous Delivery (CI/CD) Containers and Orchestration Monitoring and Security Miscellaneous Views: 6,308

Culture and Methodologies

PLATFORM ENGINEERING : la nouvelle tendance qui redéfinit DevOps et le cloud-native

DevOps, autrefois vu comme la solution aux problèmes organisationnels, pose maintenant des défis. Beaucoup d’équipes se retrouvent à gérer des tâches opérationnelles qu’elles n’ont jamais souhaité faire. Pour résoudre cela, l’ingénierie des plateformes émerge comme une façon de séparer les opérations du développement d’applications, permettant à chacun de se concentrer sur ce qu’il fait le…

Bettounsi Coding

CQRS and Mediator pattern

المقدمة في المقال هذا، بش نحكيو على CQRS وMediator Pattern، شنو العلاقة بينهم وعلاش نستعملوهم. CQRS هو Architectural Pattern يستعمل باش نفصل عمليات القراءة (Read) على عمليات الكتابة (Write). الاسم اختصار لـ Command and Query Responsibility Segregation. والمصطلح Segregation يعني الفصل بين المسؤوليات، يعني في الحالة هذي، الـ CQRS يفصل بين قراءة البيانات وكتابتها. خلينا…