Let’s assume that we are given a matrix b of size x × y, let’s determine the operation of mirroring matrix b. The mirroring of matrix b is a2x × y matrix c whi...

通过数据泵导出的时候，除了能导出表的数据，其实可以导出多张表关联的数据，这个确实之前没碰到过。

DeepStream最大优势是能让使用者方便处理多个来源，并将处理的结果同步显示在画面上，也能将主模型推理后的结果放入一个或多个副模型执行进一步的推理。...

Write a SQL query to delete all duplicate email entries in a table named Person, keeping only unique emails based on its smallest Id.

Given a non-empty 2D matrix matrix and an integer k, find the max sum of a rectangle in the matrix such that its sum is no larger than k.

Given a table salary, such as the one below, that has m=male and f=female values. Swap all f and m values (i.e., change all f values to m and vice versa) with a...

Given a n x n matrix where each of the rows and columns are sorted in ascending order, find the kth smallest element in the matrix.

Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order.

https://huggingface.co/datasets 我们选择其中的一个数据集：cail2018

一说到 ClickHouse 的快，谈的最多的是它的向量化执行，而在最近一次 ClickHouse Meetup 中，ClickHouse 团队的 Maksim Kita 为我们带来了关于JIT 优化的分享。