#数据库
《多款OLAP数据库大比拼》
文章中的结论：“从上面的粗浅测试来看， 开源的DuckDB和Databend非常值得关注”。
BY codedump的电报频道
Secure video calling is in high demand. As an alternative to Zoom, many people are using end-to-end encrypted apps such as WhatsApp, FaceTime or Signal to speak to friends and family face-to-face since coronavirus lockdowns started to take place across the world. There’s another option—secure communications app Telegram just added video calling to its feature set, available on both iOS and Android. The new feature is also super secure—like Signal and WhatsApp and unlike Zoom (yet), video calls will be end-to-end encrypted.
codedump的电报频道 from tw