Fredy Mendes

[freeCodeCamp.org @freeCodeCamp]

You don't need a complex or expensive cloud stack to build a production-ready AI agent.

In this tutorial, Chidozie helps you build an AI agent with PHP, MySQL, Gemini Flash, and cPanel that runs on shared hosting.

You'll build an agent loop with tool calling, conversation memory, a public API, and deploy it, too.

https://t.co/mbDWhfdGkI

[IMPERATOR @IMPERATORAUS]

The family is the foundation of civilisation.

[Computer Knowledge @Computer_basic0]

Network Protocols

[Edison @CodeEdison]

Backend development is “simple” as long as you understand these fundamentals:

HTTP basics
• Methods
• Status codes
• Request and response headers

Security & identity
• Authentication vs authorization
• JWTs, sessions, and cookies
• OAuth 2.0
• Password hashing (bcrypt / Argon2)
• Salting and peppering
• 2FA and SSO
• RBAC and ABAC

API fundamentals
• API design principles
• RESTful APIs
• GraphQL
• WebSockets
• API versioning
• Rate limiting and throttling
• Pagination, filtering, and sorting
• File uploads and streaming

Server concepts
• Middleware
• Error handling
• Logging and monitoring
• APM (performance monitoring)
• Server-side rendering

Databases
• Database design
• SQL and NoSQL
• Indexing and query optimization
• ACID properties
• CAP theorem
• Normalization vs denormalization
• ORMs
• Connection pooling
• Transactions, migrations, and seeding

Caching & performance
• Caching strategies
• Redis and Memcached
• CDN integration

Scalability & architecture
• Load balancing
• Horizontal vs vertical scaling
• Monoliths, microservices, and SOA
• Message queues and Pub/Sub
• Event-driven systems
• CQRS and Saga patterns
• API gateways and service mesh

Infrastructure & DevOps
• Docker containers
• Kubernetes orchestration
• CI/CD pipelines
• Environment variables
• Configuration and secrets management

Security hardening
• CORS
• CSRF protection
• XSS prevention
• SQL injection prevention
• Input validation and output sanitization

Background processing
• Background jobs
• Cron jobs and schedulers
• Worker processes

Concurrency & runtime
• Async/await
• Promises and callbacks
• Thread pools
• Process and memory management
• Garbage collection

Quality & tooling
• Testing (unit, integration, E2E)
• Mocking and stubbing
• API documentation (Swagger / OpenAPI)
• Postman or Insomnia
• Git and version control
• Code reviews
• Debugging and benchmarking

Production
• Deployment strategies
• Monitoring in production

Once you grasp these, backend stops being “mysterious” and starts becoming systematic.

[Marko Denic @denicmarko]

SQL cheat sheet - Every JOIN explained:

[Om @Om_Codes_]

- Meet James Gosling
- Creator of Java
- Built his first computer from scratch as a teenager
- Loved math, science, and tinkering with electronics
- Preferred experimenting on his own rather than traditional classroom learning

- joined Sun Microsystems and noticed a major problem
- Programming languages were complex, unsafe, and hardware-dependent
- Code couldn’t run easily across different machines
- Many projects failed due to system incompatibility

- got Frustrated with these limitations
- Created a new language called “Oak”
- They wanted simple, catchy, and energetic name
- The team was drinking coffee during brainstorming ☕
- so Later they renamed it to Java

- he wrote the original Java compiler and virtual machine himself
- designed it to be Simple, Secure, Platform-independent

- it became one of the most influential programming languages in history
- Widely used in: Web applications, Android apps, Enterprise systems, Banking software
- Adopted by millions of developers worldwide

- earned the nickname as “Father of Java”
- literally changed how software is built across the world.

Absolute legend.

[Mari @Tech_girl]

Leslie Lamport advise on the best way to learn programming.

[Hasan Toor @hasantoxr]

15 amazing websites that cost you nothing but will save you hundreds of hours of your life:

[javinpaul @javinpaul]

5 Best+ SQL Interview Problem
1. Database- https://t.co/3jriMW7tl0
2. SQL Queries - https://t.co/6gRGe4Dc8X
3. MSSQL - https://t.co/N2zJSa2dK8
5. MySQL - https://t.co/fwCF7iSGGz
6. Postgres - https://t.co/q0Fw4oJjdq
7. Oracle- https://t.co/AnXzjVmwcg
more https://t.co/wKD4Pp6bdt

[Hunter Kallay @lazukars]

Your phone is incomplete without these AI apps!

Here are the 7 apps you need to download right now:

[Nuxt @nuxt_js]

Nuxt Movies Demo now leverages the browser View Transitions API 🪄

Source code is open source on https://t.co/kawfPifvWE

[Hasan Toor @hasantoxr]

I run a $14,000/month digital product online business.

I have 0 employees.

Here are 9 tools I use every day:

[Tanvir Anjum @codemindtanvir]

10 Dangerous Tech Gadgets That Are Actually Available On Amazon.

But Should They Be?

The Shocking Truth Revealed!

[Freek Van der Herten @freekmurze]

🔗 Building Maintainable PHP Applications: Thinking Data vs Thinking Business Processes
https://t.co/qFKDZma87v

[Faris Brni @FarisBrni]

Illegal Gadgets To Buy

9 Dangerous Hacking Gadgets Available On Amazon.

You Might Want Them.

[Freek Van der Herten @freekmurze]

🔗 Optimizing PHP for performance (by @mateusjatenee)
https://t.co/yQa8IefKjp

[Hasan Toor @hasantoxr]

A smart phone would not be very smart without apps.

I bring you the 13 applications that you need to have and didn't know about:

[Sebastian Sigl @sesigl]

I interviewed over 50 backend developers in the last 2 years.

You don’t need a university degree or a referral to find a job - you need to know things that matter.

If you want to become a backend developer in only 6 months, here are 11 free & stunning resources.

- A THREAD -

[Hugeicons @huge_icons]

- 27,000+ beautiful icons for devs
- 3,800+ free icons for commercial use
- Available npm, SVG, React and React Native

→ https://t.co/pHzOjmoQfC

[Bryan Heemskerk @BryanHeemskerk]

Happy 30th anniversary Final Fantasy VI

#Pixelart #finalfantasyvi