224 Blog Posts To Learn About Tech Interviews

This story was originally published on HackerNoon at: https://hackernoon.com/224-blog-posts-to-learn-about-tech-interviews. Learn everything you need to know about Tech Interviews via these 224 free HackerNoon blog posts. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #tech-interviews, #learn, #learn-tech-interviews, and more. This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

This story was originally published on HackerNoon at: https://hackernoon.com/your-tv-cable-is-a-25-gbps-network-how-moca-saved-my-three-floor-home. Give a MoCA to your home and turn your TV implant into a LAN ! Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #home-network, #how-to, #hardware, #ethernet-connection, #networking, #wifi-networks, #moca, #moca-network, and more. This story was written by: @m4ndr4k366. Learn more about this writer by checking @m4ndr4k366's about page, and for more stories, please visit hackernoon.com. With this article I will tell my personal experience in getting in touch and implementing MoCA (Media over Coax Alliance) including why, how, which choices I have done and which mistakes to avoid. Hope that it could help to anybody interested to starting with this path.

This story was originally published on HackerNoon at: https://hackernoon.com/data-privacy-is-becoming-the-deciding-factor-in-enterprise-ai-adoption. Learn how to protect sensitive data in AI agents. Compare hosted APIs, self-hosted models, and hybrid deployments, plus a practical privacy checklist for enterp Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #ai-privacy, #enterprise-ai, #llm-security, #self-hosted-ai, #hybrid-ai, #superlinked, #good-company, #data-privacy-in-enterprise-ai, and more. This story was written by: @merry-n-proprietary. Learn more about this writer by checking @merry-n-proprietary's about page, and for more stories, please visit hackernoon.com. Data privacy is now a top concern for enterprise AI adoption, with 76% of companies ranking it as a top concern for both generative AI and AI agents. This is due to the increasing adoption of AI and the lack of control over data security and governance. To ensure data privacy, agent developers should consider routing tasks based on data sensitivity, using a hybrid approach that combines self-hosted and hosted

This story was originally published on HackerNoon at: https://hackernoon.com/can-local-llms-replace-opus-and-codex-i-tested-a-macbook-an-rtx-5080-a-spark-and-chinese-models. Opus, Codex, GLM, DeepSeek and local Qwen and Gemma on a MacBook M5, an RTX 5080 laptop and a DGX Spark, on one agentic coding task with traps. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #local-llms, #ai-coding-agents, #nvidia-dgx-spark, #local-vs-cloud-llms, #ai-coding-agent-benchmark, #open-source-ai, #claude-vs-local-models, #hackernoon-top-story, and more. This story was written by: @ngirchev. Learn more about this writer by checking @ngirchev's about page, and for more stories, please visit hackernoon.com. I ran one trap-filled coding task through Opus, Codex, cheap Chinese models on OpenRouter, and local models on a MacBook M5, an RTX 5080 laptop and a DGX Spark. Small local MoEs fix the obvious and miss everything subtle; a dense 27B on the Spark matches Opus but takes 16 minutes. The cheapest good result came from DeepSeek for 1.3 cents.

This story was originally published on HackerNoon at: https://hackernoon.com/meet-the-hackathon-winner-shugert-on-smarter-shopify-engineering-and-the-future-of-e-commerce. Meet Shugert, a Proof of Usefulness Hackathon winner, and discover how it's combining Shopify expertise with AI-assisted e-commerce engineering. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #proof-of-usefulness-hackathon, #shugert, #proof-of-usefulness-winners, #ai-automation, #shopify-development, #shopify-store-migration, #e-commerce-cro, #hackernoon-top-story, and more. This story was written by: @proofofusefulness. Learn more about this writer by checking @proofofusefulness's about page, and for more stories, please visit hackernoon.com. Shugert earned a 392 Proof of Usefulness score for its work helping e-commerce businesses solve complex Shopify challenges. In this interview, the team discusses what its hackathon win means, lessons learned from working with merchants, and its plans to combine senior engineering expertise with AI-powered automation to deliver faster, more effective storefront solutions.

This story was originally published on HackerNoon at: https://hackernoon.com/building-a-kubernetes-operator-for-workload-identity-federation-across-aws-and-gcp. myceliam turns Kubernetes Namespaces and ServiceAccounts into the source of truth for identity, create counterpart resources in IDPs and cloud providers. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #kubernetes-operators, #oidc, #auth0, #oauth2-client-credentials, #gcp-workload-identity, #aws-iam, #myceliam, #hackernoon-top-story, and more. This story was written by: @myceliam-dev. Learn more about this writer by checking @myceliam-dev's about page, and for more stories, please visit hackernoon.com. I wanted pods in any cluster to get short-lived AWS and GCP credentials using nothing but their Kubernetes identity. No static keys. Doing that by hand means an OIDC provider, an audience, a trust-policy statement and a GCP IAM binding for every namespace, ServiceAccount and cloud account. So I wrote a Kubernetes operator in Go that creates and reconciles all of it from ServiceAccount labels and two small CRDs. This article walks through how it's built, why I made the design choices I did, and about a dozen undocumented-feeling behaviors of AWS STS, GCP Workload Identity, Keycloak and Auth0 that I only found by testing against the real services. The project is open source (Apache 2.0) and early-stage. It works end to end, but it isn't hardened for production.

This story was originally published on HackerNoon at: https://hackernoon.com/158-blog-posts-to-learn-about-search-engine. Learn everything you need to know about Search Engine via these 158 free HackerNoon blog posts. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #search-engine, #learn, #learn-search-engine, and more. This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

This story was originally published on HackerNoon at: https://hackernoon.com/how-to-build-production-ready-passkey-authentication-in-symfony-81. Build a passkey login in Symfony 8.1 with a hybrid password/passkey form, passkey revocation, recovery codes and fixes for the three errors you will hit. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #passkeys, #webauthn, #symfony, #php, #authentication, #cybersecurity, #web-development, #tutorial, and more. This story was written by: @mattleads. Learn more about this writer by checking @mattleads's about page, and for more stories, please visit hackernoon.com. A step-by-step Symfony 8.1 build of passkey login for an app that already has passwords. In 17 files you get a hybrid password/passkey form with browser autofill, an account page to add, track and revoke passkeys, one-time recovery codes behind login throttling, and fixes for the three errors you will hit. No Node.js. The full demo is on GitHub.

This story was originally published on HackerNoon at: https://hackernoon.com/decentralized-ai-inference-needs-a-boring-job-queue. A backend engineer's proposal for reliable decentralized GPU inference using job queues, retries, and idempotency, so remote AI jobs don't fail or bill twice. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #decentralize-ai-hackathon, #decentralized-ai, #software-engineering, #fault-tolerant-systems, #distributed-computing, #bullmq, #inference-api, #duplicate-billing, and more. This story was written by: @mirabilis. Learn more about this writer by checking @mirabilis's about page, and for more stories, please visit hackernoon.com. Decentralized AI needs reliable backend plumbing, not just GPUs. This proposal treats remote GPU inference like a normal backend service: an API returns a job ID, BullMQ, Redis and PostgreSQL track the work, and a provider adapter (starting with Nosana) runs it. Idempotency keys, deadlines, and recovery checks prevent duplicate runs and double billing. It's a proposal, not a benchmarked product.

This story was originally published on HackerNoon at: https://hackernoon.com/stop-trusting-notification-urls. If I call your impression URL twice, what happens? If the answer is anything other than “the second call is rejected,” you are paying for the second call. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #notifications, #notification-urls, #dsp, #dmp, #url, #digital-signal-processing, #bidding, #audience-matching, and more. This story was written by: @hichem-hannafi. Learn more about this writer by checking @hichem-hannafi's about page, and for more stories, please visit hackernoon.com. Every bid response a DSP sends carries URLs that anyone who has seen the response can call: impression, click, win, billing. Most DSPs count whatever comes in, which is where discrepancy reports come from. We treated a notification URL like a cheque: valid only if we issued it, for that bid, and it hasn’t been cashed. The bidder mints hashes and a spend reservation at bid time; every callback is checked against them, duplicates and replays are rejected, and unclaimed reservations expire after 45 minutes. Result: about 6% of callbacks rejected as unverifiable, and reported impressions within 1% of the exchanges’ figures.