Felix Nguyen

[Mehran @AetherMaker]

submitting an iOS app soon?

this might save you from losing two weeks to one stupid App Store rejection

I went through the most common reasons Apple rejects apps and put them all into one article

it’s a long article, so don’t just scroll past and forget it
save it now and read it when you have time

[vegastar @vegastarr]

Same Medium. Different Frequency. 🎶⚡
Sound Shapes Matter.

At 440Hz the pattern becomes chaotic.
At 432Hz it forms sacred geometry. ✨

This Is Why They Changed The Musical Pitch
From 432Hz To 440Hz.

Frequency Changes Structure.

Tune Your Resonance 👇
https://t.co/wZoZcImCvo

[Inferam @InferamAI]

Now you know the way, no excuse 🤓😂

[Spark @Spark_bem]

@justbyte_ .com. always has been, always will be. search engines treat all domains equally in theory, but users trust .com more, which means higher click-through rates, which means better SEO in practice. the domain doesn't rank you the trust behind it does.

[ZARA @HeyZaraKhan]

Become a Claude Certified Architect

Here is the complete resource list in one place:

Link to join: https://t.co/OXQyTmfCmb
Training courses: https://t.co/UaJzLeXKrP (13 free courses)
Cookbook: https://t.co/SLnSUT7xT1
Exam Guide: https://t.co/A2pbDcyGwa
Practice questions: https://t.co/90eXwUxiXQ (free)
MCP documentation: https://t.co/SbwZI0fjVz (free)
API documentation: https://t.co/9rmnLWypxc (free)
Partner Network: https://t.co/diT5OE6ePJ (free to join)
Personal Playbook someone created after the exam: https://t.co/qhXan3XVri

[Evan Luthra @EvanLuthra]

🚨BREAKING: ANTHROPIC IS GIVING AWAY THE SAME CERTIFICATION THAT DELOITTE IS MASS-TRAINING 15,000 EMPLOYEES TO GET.

It costs $0. You need a laptop. That's it.

It's called the "Claude Certified Architect."

Think of it like the AWS cert but for AI.

If you were around when AWS certs started, you know what happened. They went from "cool to have" to "you're not getting hired without one." That took about 5 years.

This is going to happen way faster.

Look at who's already moving:

Accenture - training 30,000 people on Claude
Cognizant - rolled it out to 350,000 employees
Deloitte - opened Claude access to 470,000 people
Infosys - anchor partner

These aren't startups experimenting. These are billion dollar consulting firms restructuring their entire workforce around Claude.

And the certification they need? You can take it right now from your bedroom.

Let me be real though. This is not one of those "watch 2 videos and get a badge" type certs that nobody respects.

This thing is hard.

60 questions. 2 hours. Proctored. Webcam on. No breaks. No googling.

They drop you into real scenarios like designing a customer support agent that handles refunds or setting up Claude in a CI/CD pipeline. The wrong answers look right on purpose. They're the exact mistakes real engineers make in production.

720 out of 1000 to pass.

People who took it are saying the agentic architecture and multi-agent orchestration sections are brutal.

Most of the exam is about building AI systems that actually work in the real world. Not prompting. Not chatting with Claude. Architecting production systems.

All the prep? Free. Anthropic put out 13 courses on their Academy. No paywall. The cert itself is free for the first 5,000 people. After that $99 per attempt.

How to get it:

1. Join the Claude Partner Network (free) → https://t.co/TWMshPoKDn
2. Start the free prep courses → https://t.co/9OVwtjbvh0
3. Register for the exam → https://t.co/WWFAhSZUVd
4. Take the official practice exam
5. Book the real one when you're ready

It launched 10 days ago. Almost nobody has it yet.

That's the whole point. Get it before it becomes the thing everyone has.

[Ryan Leachman @RG_Leachman]

I asked Claude to build my daughter an app that plugs into our piano, can read live key strokes, can show her sheet notes and key view and ends with a Guitar Hero style game. All while giving progressively harder songs. Today she’s using It and crushing It.

[Rimsha Bhardwaj @heyrimsha]

🚨BREAKING: Andrej Karpathy just built a method that improves AI skills automatically.

No fine-tuning. No retraining. No labeled data.

Your Claude prompts are failing 30% of the time and this fixes it.

Here's the exact system he built and the 9 prompts that fixed everything:

[Maestro @maestro__dev]

this is what AUTOMATED UI testing looks like

[Yilio @yiliush]

source code now available
https://t.co/Nhhm5e2lRh

[Alif Hossain @alifcoder]

🚨 Vibe coding is dead.

GitHub just released spec-kit:

→ Describe your idea
→ AI writes the spec
→ Generates a plan
→ Builds it

Works with all major AI agents.

100% Open Source👇🏼

[Kailash @kail_designs]

Since y'all loved this, here's something for you!
Meet Invoicr ✨

Create invoices in seconds without the headache.

Add your payment details once.
They stay in your browser, ready whenever you need them.

Pick a style, add your items, and send.

That’s it.

Use for free at https://t.co/0J4JdWrTLs

[Vaishnavi @_vmlops]

The only system design repo you really need

https://t.co/wQwFXKzl2i

[BridgeMind @bridgemindai]

I can't stop cooking with Gemini 3.1 Pro

The UI capabilities of this model are insane

I one shotted this Upgrade to Pro modal

[SumitM @SumitM_X]

As a developer,

Please Slap yourself if you are unable to explain even 10 from below terms :

Indexing
Clustering
Denormalization
Normalization
Read replicas
Leader–Follower replication
Multi-leader replication
Quorum
Consensus
CAP theorem
BASE
ACID
Eventual consistency
Strong consistency
Snapshot isolation
MVCC (Multi-Version Concurrency Control)
Two-phase commit (2PC)
Three-phase commit (3PC)
Write-ahead logging (WAL)
Checkpointing
Compaction
Rebalancing
Resharding
Data locality
Hot partition
Split-brain
Failover
High availability (HA)
Horizontal scaling
Vertical scaling
Load balancing
Connection pooling
Caching
Materialized views
Secondary indexes
Composite index
Covering index
Bloom filter
LSM tree
B-tree
Query planner
Cost-based optimizer
Deadlock
Lock escalation
Optimistic locking
Pessimistic locking
Dirty read
Phantom read
Read skew
Write skew
Data skew
Backpressure
Circuit breaker
Throttling
Rate limiting
CDC (Change Data Capture)
Logical replication
Physical replication
Geo-replication
Federation
Data lake
Data warehouse
Columnar storage
Row-based storage
Time-series partitioning
Hash partitioning
Range partitioning
Consistent hashing
Data migration
Schema evolution
Schema registry
Idempotency
Exactly-once semantics

[Aurelien @Aurelien_Gz]

i’m still trying to process this..

this is a fully functional 3d electric circuit simulator running in a browser

wizard » @austin_malerba

[SumitM @SumitM_X]

As a Frontend Developer,

Please slap yourself if you cannot clearly explain at least 10 of the following :

Hydration
Partial hydration
Islands architecture
Streaming SSR
Concurrent rendering
Time slicing
Reconciliation algorithm
Fiber architecture
Virtual DOM diffing complexity
Structural sharing
Immutable data patterns
Referential equality
Memoization pitfalls
Stale closure problem
Event loop (macro vs microtasks)
Task starvation
Layout thrashing
Critical rendering path
Render blocking resources
Tree shaking internals
Code splitting strategies
Dynamic import chunking
Module federation
Shadow DOM
Custom Elements lifecycle
Web Components interoperability
Web Workers vs Service Workers
SharedArrayBuffer
Transferable objects
OffscreenCanvas
WebAssembly integration
Browser compositing layers
Paint vs composite vs layout
GPU acceleration in CSS
CSS containment
Subpixel rendering
IntersectionObserver internals
ResizeObserver loop limits
MutationObserver cost
IndexedDB
Service Worker lifecycle traps
Cache invalidation strategies
Stale-while-revalidate
ETag vs Cache-Control
HTTP/3 and QUIC
Priority hints
Preload vs Prefetch vs Preconnect
CORS preflight
SameSite cookie modes
CSRF vs XSS mitigation
Content Security Policy (CSP)
Trusted Types
DOM clobbering
Prototype pollution
Race conditions in UI state
Tearing in concurrent UI
Scheduler priorities
Render waterfalls
Suspense boundaries
Selective hydration
Server components
Edge rendering
Micro-frontend orchestration
Finite state modeling
Event sourcing in frontend
Optimistic UI rollback strategy
Offline conflict resolution
CRDT basics for collaboration
WebRTC
Backpressure in streams API
AbortController
Streaming fetch response handling
Browser memory leak detection
Detached DOM nodes
Garbage collection timing
PerformanceObserver API
Long tasks API
First Input Delay (FID)
Interaction to Next Paint (INP)
Cumulative Layout Shift (CLS)
Largest Contentful Paint (LCP)
Speculative prerendering
Priority inversion in async code
Deterministic rendering
Idempotent UI actions
Accessibility tree
ARIA live regions internals
Pointer events

[Chris Tate @ctatedev]

New: @𝚓𝚜𝚘𝚗-𝚛𝚎𝚗𝚍𝚎𝚛/𝚛𝚎𝚊𝚌𝚝-𝚙𝚍𝚏

You can now go from prompt to PDF with json-render

Same JSON format as the React and React Native renderers, minus state and actions

Just swap the renderer and get a PDF