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Given two positive integers low and high represented as strings, find the count of stepping numbers in the inclusive range [low, high].A stepping number is an integer such that all of its adjacent digits have an absolute difference of exactly 1.Return an integer denoting the count of stepping numbers in the inclusive range [low, high].Since the answer may be very large, return it modulo 10^9 + 7.Hard, Acceptance Level 14.5%. Dynamic Programming (DP). Efficiently handles large inputs (10^9 + 7).Latest and Mo
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The White House's play at bandwagoning on the 'Superman' hype highlights just how fast the right-wing grift machine runs. Read more ›
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![[Translation] How we implemented vector search in Postgres Pro](https://times42.com/media/2/4/6/10796246_640x200.jpg "[Translation] How we implemented vector search in Postgres Pro")
In this article, we’ll explore what vector search is, what problems it solves, and how the pgpro_vector extension for Postgres Pro brings powerful vector capabilities directly into a relational database — no need for separate specialized systems. Read more Read more ›
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Do you want to automate tasks without writing a single line of code? If the answer is yes, then you’ve come to the right place. In this simple tutorial, I’m going to show you how you can create your first automated workflow using a tool called n8n. Read more Read more ›
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With the rising popularity of AI, chatbots are rapidly becoming an essential part of any customer-oriented platform. More and more companies now integrate them into apps and websites, providing a space for their clients to interact with the business itself while taking load off human employees and reducing expenses on the customer support team. At first glance, chatbots might seem pretty uncomplicated in their design and functionality, but creating UI/UX... Read more ›
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На работе (вне собственных пет-проектов) тестировщик никогда не существует в вакууме - он решает некоторые задачи бизнеса, а значит все решения должны приниматься с оглядкой на финансовую целесообразность. Иногда это противоречит внутреннему перфекционизму. Сегодня расскажу о некоторых неочевидных принципах автоматизированного тестирования, которые сводятся к тому, что иногда необходимо искать компромисс, а не следовать за тем самым перфекционизмом. Read more Read more ›
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Business Insider
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27% 13 |
Gizmodo
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18% 13 |
Wired
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9% 28 |
Tom's Hardware
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9% 7 |
The Verge
|
5% 2 |
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12.07.2025 13:30
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