MySQL实战
一、linux下查看mysql服务的两种方式：方式一：[root@localhost bin]ps -ef|grep mysql
方式二：[root@localhost bin]netstat -nlp
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HanKin的博客
聪明出于勤奋，天才在于积累。
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Linux网络管理(网络编程)
第1章 网络基础 阅读全文… -
hiho一下 第205周 Building Heap
描述Given an array A1, A2, … AN, your task is to build a binary treee T which satisfies the following requirments: T is a min-heap; The inorder traversal sequence of T is A1, A2, … AN. 阅读全文… -
问题技巧汇总
1、vector数组的初始化和清零clear不能清除干净is_meet.assign(max_memory, 0); //改成全局变量了，记得清理，clear()并没有什么卵用，这个应该当作初始化 阅读全文… -
hiho一下206周《Guess Number with Lower or Higher Hints》
描述There is a game about guessing number between 1 and N. This game is played by two people A and B. When A guesses a number(e.g. 5), he needs to pay that amount of dollars($5). Then B will give a hint whether A’s guess is lower, higher or correct. B will choose the hint that forces to gain maximal amount of earning as long as it’s not conlict with previous hints. 阅读全文… -
hiho一下第201周《Composition》
描述Alice writes an English composition with a length of N characters. However, her teacher requires that M illegal pairs of characters cannot be adjacent, and if ‘ab’ cannot be adjacent, ‘ba’ cannot be adjacent either. In order to meet the requirements, Alice needs to delete some characters. Please work out the minimum number of characters that need to be deleted. 阅读全文… -
抖音上很火的用数字或者字符画偶像画
https://blog.csdn.net/qq_20464153/article/details/79777823 灰度值：指黑白图像中点的颜色深度，范围一般从0到255，白色为255，黑色为0，故黑白图片也称灰度图像。黑白黑白，从黑到白。 图片转字符画工具 https://blog.csdn.net/qq_20464153/article/details/79777823 阅读全文… -
gnuplot笔记
sin函数图像，x取值范围-3.14~3.14，默认有图例gnuplot> plot [-3.14:3.14] sin(x) 如果你不需要上面的图例，你可以在运行gnuplot> unset key 如果要还原gnuplot> set key default 阅读全文… -
hiho一下第201周Composition
描述Alice writes an English composition with a length of N characters. However, her teacher requires that M illegal pairs of characters cannot be adjacent, and if ‘ab’ cannot be adjacent, ‘ba’ cannot be adjacent either. In order to meet the requirements, Alice needs to delete some characters. Please work out the minimum number of characters that need to be deleted. 阅读全文… -
hiho一下第200周Shortening Sequence
描述There is an integer array A1, A2 …AN. Each round you may choose two adjacent integers. If their sum is an odd number, the two adjacent integers can be deleted. Can you work out the minimum length of the final array after elaborate deletions? 阅读全文…