PKPranava Kumarinquantumfordevs.hashnode.dev·58m ago · 6 min readQuantum Computing Without the PhD: A Developer’s Guide (Part 2)Welcome back to Quantum For Devs. If you read Part 1, you know that we absolutely refuse to use the “spinning coin” analogy to explain quantum computing here. If not, you can read by clicking this lin00
CSCraig Solomonincraigsolomon.hashnode.dev·12h ago · 7 min readSHA-256 Anchoring and Proof Polling in TypeScriptYou hash a file, POST the digest to a blockchain anchoring API, and need to know when the on-chain confirmation lands before returning a response. The naive path is to submit and assume. The productio00
MMMicheal Milebaindev-mileba.hashnode.dev·12h ago · 12 min readBuilding a Sales Data Pipeline in Pure Python (No Pandas): A CampusMart Case StudyIf you've ever been tempted to reach for pandas the moment you see a CSV file, this post is the opposite of that. I built CampusMart, a small end-to-end sales data pipeline, using nothing but Python's00
Aadmininswiftnodes.hashnode.dev·1d ago · 6 min readCosmos RPC Explained: Tendermint RPC vs REST vs gRPCIf you come to the Cosmos ecosystem from Ethereum, the first thing that trips you up isn't the SDK or the tokens — it's the word "RPC." On Ethereum, the RPC is a single JSON-RPC endpoint, and eth_* me00
PPDF4meinpdf4me1.hashnode.dev·1d ago · 5 min readWhat Your Code Can Know About a PDF Before It Touches a Single PageOriginally published on Dev.to. Canonical URL set above, fill in once the Dev.to post is live. There are two PDF4me endpoints that sound like they do the same thing: GetPdfInformation and GetPdfMetada00
RMRafael Marcosinblog.rmarcos.dev·1d ago · 9 min readAndroid Fundamentals: RGB Color MixerIntroduction Hi again, dear readers! In the last post we had a brief introduction to Jetpack Compose, and before that a brief introduction to Android app components. In today's article, we'll build a 00
Aadmininswiftnodes.hashnode.dev·2d ago · 5 min readCelo RPC: The L2 Where You Pay Gas in StablecoinsCelo has a feature most EVM chains don't: you can pay gas in stablecoins. A user with only cUSD in their wallet can transact without ever holding the native token — the fee is charged in the ERC-20 th00
AAgineAIinagineai.hashnode.dev·2d ago · 8 min readA Developer's Mental Model for Claude: Tokens, Context, and ToolsAsk a developer what a language model "knows" and you get a fuzzy answer. Ask what it can see at the moment it answers your prompt, and the picture gets sharper. That second question is the useful one00
NANico Acostainbraingrid.hashnode.dev·3d ago · 17 min readClaude Code MCP Servers: Setup Guide + Best Servers (2026)You're pasting logs, docs, or snippets of data into Claude Code. Again. Every question about your system means manual context. Tab switching. Re-explaining decisions. Copying the same information from00
AVAtul Vishwakarmainatulcodes.hashnode.dev·3d ago · 4 min readDeploying Your First Serverless Function on AWS LambdaFor a long time, deploying an application meant provisioning a server, installing an operating system, configuring a runtime environment, and paying for that server to run 24/7—even if nobody was visi00
