-[Writing a Time Series Database from Scratch](https://fabxc.org/blog/2017-04-10-writing-a-tsdb/)
-[2017-Time-series data: Why (and how) to use a relational database instead of NoSQL](https://blog.timescale.com/time-series-data-why-and-how-to-use-a-relational-database-instead-of-nosql-d0cd6975e87c)
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-[2017-Time-series data: Why (and how) to use a relational database instead of NoSQL](https://blog.timescale.com/time-series-data-why-and-how-to-use-a-relational-database-instead-of-nosql-d0cd6975e87c)
# OpenSource: 开源实现
-[2013-InfluxDB #Project#](https://github.com/influxdata/influxdb): InfluxDB is an open source time series database with no external dependencies. It's useful for recording metrics, events, and performing analytics.
-[2017-timescaledb #Project#](https://github.com/timescale/timescaledb/): An open-source time-series database optimized for fast ingest and complex queries. Engineered up from PostgreSQL, packaged as an extension.
Tokio internals: Understanding Rust's asynchronous I/O framework from the bottom up](https://cafbit.com/post/tokio_internals/)
-[2018-Async/Await I: Self-Referential Structs](https://parg.co/Ui5): This is the first in a series of blog posts about generators, async & await in Rust.
*[2010-Native HTML5 Drag and Drop](https://www.html5rocks.com/en/tutorials/dnd/basics/): Drag and drop (DnD) is a first class citizen in HTML5! The spec defines an event-based mechanism, JavaScript API, and additional markup for declaring that just about any type of element be draggable on a page.
# Scroll: 滚动事件
# Scroll & Visibility: 滚动事件与可见性
*[Complexities of an Infinite Scroller](https://developers.google.com/web/updates/2016/07/infinite-scroller)
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## IntersectionObserver
-[2018-Now You See Me: How To Defer, Lazy-Load And Act With IntersectionObserver](https://parg.co/Uiu): In this article, we are going to go out of the scroll darkness and talk about the modern way of lazy-loading resources.
## ScrollSpy: 滚动监听
*[React Visibility Sensor #Project#](https://github.com/joshwnj/react-visibility-sensor): Sensor component for React that notifies you when it goes in or out of the window viewport.