I built a system design app that teaches why and helps you in interviews Santosh Ravi Teja Goteti Oct 6 #showdev #systemdesign #webdev #ai 1 reaction comment 6 min read
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If you have ever needed a quick voiceover for a demo video, a podcast intro, or a language-learning clip, you know the usual options: record it yourself, hire a voice actor, or wrestle with a robotic-sounding TTS engine. I wanted something faster and more expressive, so I have been using GeminiTTS, an online text-to-speech studio powered by Gemini 3.8 TTS. GeminiTTS is a browser-based tool: paste your script, choose a voice, and generate audio you can play back or download as WAV. There is nothing to install and no API key to manage. Key features: Two models – Gemini 3.8 Flash for expressive,
A tenant-cohort experiment is only reversible while the team can tell, quickly and unambiguously, that a scheduled task stopped completing. Short answer: use a deadline heartbeat as the rollback trigger for missed runs, and keep application metrics as the diagnostic layer. Choose metrics alone only when the scheduler itself can reliably emit an absence signal and the alert query preserves tenant, cohort, region, and experiment-revision boundaries. That split matters for an e-commerce SaaS rollout. A new recommendation model might look healthy at the HTTP layer while its nightly catalog-enrichm
Kyverno (do grego "governar") é um motor de políticas nativo do Kubernetes, projeto da CNCF, que permite validar, alterar e gerar recursos do cluster usando apenas YAML, sem aprender uma linguagem nova. Em clusters compartilhados, qualquer pessoa com acesso ao kubectl apply pode criar um Pod privilegiado, uma imagem sem tag ou um Service exposto sem querer. Revisão manual não escala, e documentação de boas práticas não impede ninguém de errar. O Kyverno resolve isso aplicando regras no momento em que o recurso chega à API do Kubernetes, antes de ele ser persistido no etcd. O diferencial frente
Most push tutorials for iOS start with "add the Firebase SDK to your app". It works, but it means shipping Google's SDK inside your iOS binary just to forward a message to Apple, and keeping a second service configured for every app. Your Laravel backend can talk to Apple Push Notification service (APNs) directly. All it takes is a .p8 key, a short-lived JWT and one HTTP/2 request. This post walks through the whole thing, including the two mistakes that cost the most time: the wrong token type and the wrong environment.
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