Reconciling Dual Crypto and Fiat Payments in a Mobile App
The situation Say you are a lead mobile engineer on a fintech startup that just launched a React Native app supporting both fiat purchases (via Stri…
Latest News
⚑ Report a ProblemTech news from the best sources
All topics
AI
Gear
News
Tech
agents
ai
api
architecture
automation
beginners
career
database
devchallenge
devops
discuss
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
security
showdev
testing
tutorial
typescript
webdev
Rebase Git Publication Finalization
An article can remain queued in the internal vault while its published version goes live on the public site if an unrelated commit arrives during th…
Idempotency: Protecting User Intent Beyond the Buy Button
User bought some stock but the network is slow. There is no immediate feedback, so out of frustration, they tap the Buy button several times. A few…
What Idempotent Actually Means: Why Retries Are Safe (and When They Aren't)
Originally published on Loop & Retry — field notes on building LLM agents that survive production. Search for "what does idempotent mean" and yo…
The "Press-It-Twice" Problem: Why Idempotency is Your API's Best Friend
What is Idempotency? Idempotency is a core design property of software systems where performing an operation multiple times produces the exact same…
Idempotency: The Secret to Preventing Double Payments and Network Glitches
Idempotency is a property of an operation where executing it multiple times has the exact same effect as executing it once. It means that if a netwo…
Preventing Duplicate Password-Reset Notifications (Under SMS Timeout and Retry Pressure)
Treat an SMS timeout as an unknown outcome, not a failed send: accept each password-reset event once, persist its expiry and idempotency key before…