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Exception code: 0xE0434352
0xE0434352 is the exception code for all .NET exceptions so that won't tell you much. How did you got this exception code? The event log? Your best be ...
分类:其他好文   时间:2020-07-28 16:56:56    阅读次数:69
712. Minimum ASCII Delete Sum for Two Strings
Given two strings s1, s2, find the lowest ASCII sum of deleted characters to make two strings equal. Example 1: Input: s1 = "sea", s2 = "eat" Output: ...
分类:其他好文   时间:2020-07-28 14:45:21    阅读次数:310
Navicat 创建数据库连接提示1045 access denied for user
navicat 中创建数据库连接,提示: 原因:密码不正确。 情况1:新装的mysql服务。解决方案:(1)取消使用密码登录(2)dos进入MySQL后修改密码 情况2:密码过期。解决方案:修改密码 1、跳过/取消密码登录:进入mysql\bin目录,执行命令 mysqld --skip-grant ...
分类:数据库   时间:2020-07-28 14:25:15    阅读次数:128
583. Delete Operation for Two Strings
Given two words word1 and word2, find the minimum number of steps required to make word1 and word2 the same, where in each step you can delete one cha ...
分类:其他好文   时间:2020-07-28 14:04:15    阅读次数:77
mysql主从复制(mariadb)
主机: master:192.168.199.231 slave:192.168.199.231 maste和slave都安装mariadb yum install mariadb mariadb-server systemctl start mariadb #启动mariadb systemctl ...
分类:数据库   时间:2020-07-28 00:24:02    阅读次数:78
[LeetCode 1530] Number of Good Leaf Nodes Pairs
Given the root of a binary tree and an integer distance. A pair of two different leaf nodes of a binary tree is said to be good if the length of the s ...
分类:其他好文   时间:2020-07-27 15:58:17    阅读次数:93
HDU 2846 Repository
When you go shopping, you can search in repository for avalible merchandises by the computers and internet. First you give the search system a name ab ...
分类:其他好文   时间:2020-07-27 09:29:30    阅读次数:82
【E-03】RuntimeError: element 0 of tensors does not require grad and does not have a grad_fn
这个是因为没有将requires_grad设为True,l=LOSS(out,label)中的l默认是requires_grad为false,这个l其实也是一个张量Tensor类型,将其的requires_grad改为True后,使用backward函数就可以得到requires_grad为True ...
分类:其他好文   时间:2020-07-26 22:55:24    阅读次数:279
arc092D Two Sequences
题意 给你两个长度为 \(n\) 的串 \(a,b\) 求 \(a,b\) 两序列各任取一数相加形成的$n^2$个和的异或和 $1 \le n \le 2 \times 10^5$ $0 \le a_i \le 2^{28}$ 传送门 思路 按位考虑。对于第$i$位,令 \(x=2^i\),所有数对 ...
分类:其他好文   时间:2020-07-26 22:51:31    阅读次数:66
Nump库的基本使用
Nump库的基本使用 库的导入 PyCharm file - Setting - Project interpreter - + - (Searh what you need) - Install Package 多维数组 import numpy as np a = np.array([[1, 2 ...
分类:其他好文   时间:2020-07-26 18:58:40    阅读次数:65
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