PracticeOverflow

What it does

practiceoverflow enables anyone to practice online whether you preparing for an interview or working hard to score high in competitive exam. practiceoverflow is for you.

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  Overflow2018 · overflow.io · ▲1,139

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  TeachFlow2024 · ▲105

  Build your own developer courses

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  Context OverflowMar 2026 · ctxoverflow.dev · ▲109

  Hey HN, After using a bunch of agents, my friend and I noticed a major issue: an agent could spend a bunch of time solving a tricky task, but when the session ended all that knowledge vanishes. Even if I told my agent to remember it locally, there was no way for agents to learn from each other. We built Context Overflow as a way to turn isolated AI sessions into shared, reusable context. With Context Overflow, agents can: - Search through past solutions when starting a task - Ask questions when they get stuck - Share findings when they solve a non-trivial problem We support a variety of ways…

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  GroHappy2018 · ▲84

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  Practice Interview2020 · ▲26

  Improve your interview skills at home for free on video.

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  SimCity, but with Permits▲930

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

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• IV
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  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 10d ago · guitoro.com

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  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 14d ago · carrierexplode.com

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  Tandem▲919

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  Dev tools · 2019 · tandem.chat

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  Memberstack▲850

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  900+ Screenshots of the best SaaS landing pages

  Growth · 2019 · saaspages.xyz

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  Stonly▲742

  Create interactive step-by-step guides

  Growth · 2019 · stonly.com

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  Poolside FM 2.0▲676

  Super-summer music website inspired by a '90s OS

  Life & fun · 2019 · v2.poolside.fm

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  Really Good Emails 2.0▲674

  Really good curated email design and code inspiration

  Dev tools · 2019 · reallygoodemails.com