Documenting some issues I encountered while upgrading my blog backend from Java Spring Security 5 to 6. I did the upgrade by changing `pom.xml` -> `sp

## Table of Contents This is a quick guide to getting started with CMake, intended for people who are already familiar with the basics of C syntax.

Check following code snippet written in C: ```c uint8_t h = 0xff; uint8_t a = h << 8; uint16_t b = h << 8; uint16_t c = (h << 8) + h

I have a pretty old Poker 2 mechanical keyboard, model name PKX-6100. There are 4 small physical switches on the back of this keyboard. Obviously, I d

When working with Linux API/Programs, oftentimes you will encounter errors along with a number like 2, 11, or 13 as the programs return code. Here is

* How to rename Azure SQL column `EXEC sp_rename 'dbo.ErrorLog.old_column', 'new_column', 'COLUMN';` * Java Date Time best practice https://st

* 《漂移速学》神力科莎漂移系列教程 https://www.bilibili.com/video/BV15f4y1V78R * 【带讲解字幕】神力科莎新手漂移教程 https://www.bilibili.com/video/BV12b411g7sU

### Question You are given two array, `in`, which contains the result of the in-order traverse of a binary tree, and `level` which contains the res

Question: https://leetcode.com/problems/meeting-rooms-ii/ Post: https://leetcode.com/problems/meeting-rooms-ii/discuss/1123144/a-note-for-differenc

Question: https://leetcode.com/problems/is-graph-bipartite/ Post: https://leetcode.com/problems/is-graph-bipartite/discuss/1065679/java-bfs-assign-