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Hello World

重置状态(new)

git撤回commit git reset --soft HEAD^ ```sql select column_name from information_schema.columns where table_name = "metadata_table1" 查询某表的所有列名 清除爬虫所收集网

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java List排序

参考: https://blog.csdn.net/qq_43391689/article/details/138865671 https://blog.csdn.net/qq_42672770/article/details/119840956 https://blog.csdn.net/qq_2

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面试题 16.17. 连续数列

package 面试题_16_17_连续数列; public class Solution { public int maxSubArray(int[] nums) { if (nums.length == 1) { return nums[0];

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[39]组合总和

参考: https://leetcode-cn.com/problems/combination-sum/solution/hui-su-suan-fa-jian-zhi-python-dai-ma-java-dai-m-2/ class Solution: def combinationS

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vue router-link 默认a标签去除下划线

参考: https://www.nhooo.com/note/qa396k.html .router-link-active{ text-decoration: none; } vue的router-link默认的a标签点击会有一个阴影 补充知识:vue-router更改router-link点击

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grid 水平滚动

参考: https://segmentfault.com/q/1010000043120350 https://blog.csdn.net/qq_45815947/article/details/124135702 #series { display: grid; grid-gap:

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scrapy:安装报错

Scrapy安装错误:building 'twisted.test.raiser' extension error: Microsoft Visual C++ 14.0 is required. 解决方法 http://www.lfd.uci.edu/~gohlke/pythonlibs/#twis

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SpringBoot Nacos 读取不到配置(版本2.4.6)

参考: https://blog.51cto.com/u_1472521/3711980 现象 按照官方文档 https://nacos.io/zh-cn/docs/quick-start-spring-cloud.html 进行配置后,抛异常报错,无法获取配置。 所有依赖配置如下: <?xml v

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[171]Excel表列序号

class Solution { public int titleToNumber(String s) { int n = 0; for (int i = 0; i < s.length(); i++) { n= n * 26 + (i

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