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01-01 机器学习
[TOC]更新、更全的《机器学习》的更新网站,更有python、go、数据结构与算法、爬虫、人工智能教学等着你:https://www.cnblogs.com/nickchen121/# 机器学习可能有很多同学想到高大上的人工智能、机器学习和深度学习,会在怀疑我是否能学会。在自我怀疑之前,我希望你能... ...
分类:其他好文   时间:2019-10-16 17:40:19    阅读次数:93
一次Commons-HttpClient的BindException排查
线上有个老应用,在流量增长的时候,HttpClient抛出了BindException。部分的StackTrace信息如下: java java.net.BindException: Address already in use (Bind failed) at java.net.PlainSock ...
分类:Web程序   时间:2019-10-16 13:40:16    阅读次数:119
LeetCode_167. Two Sum II - Input array is sorted
fsaf 167. Two Sum II - Input array is sorted Easy 167. Two Sum II - Input array is sorted Easy Easy Given an array of integers that is already sorted ...
分类:其他好文   时间:2019-10-15 13:00:51    阅读次数:87
优化建议
We have established some guidelines for 3D games to reduce crashes and optimize performances, please have a look and make sure to follow above ones. L ...
分类:其他好文   时间:2019-10-14 11:02:50    阅读次数:107
Leetcode: Robot Room Cleaner
Given a robot cleaner in a room modeled as a grid. Each cell in the grid can be empty or blocked. The robot cleaner with 4 given APIs can move forward... ...
分类:其他好文   时间:2019-10-13 11:10:27    阅读次数:130
触发器执行报错it is already used by statement
场景: 1.创建一个触发器,当往图书表中插入一条数据时,在图书表的日期字段中插入当天的日期(now())。 这里设置触发器: 触发器创建是成功的,但是当执行插入操作时,会报错: 这是因为在操作和更新是在同一个表中时,会有一个写锁,导致你update是无法执行成功的, 所以我们要使用set变量的方法去 ...
分类:其他好文   时间:2019-10-11 18:05:02    阅读次数:127
解决Address localhost:1099 is already in use
今天使用IDEA启动项目的时候,报了下列错误: Address localhost:1099 is already in use 问题解决: 方式一:按快捷键 Ctrl+Shift+Esc 打开任务管理器,找到java.exe,然后点击“结束任务”即可! 方式二:这种方式适用于所有端口被占用的情况: ...
分类:其他好文   时间:2019-10-09 21:17:31    阅读次数:133
ACIT 3910 Database
ACIT 3910 Database Administration and ManagementAssignment #1Patrick Guichon January 6, 2019 1 of 6ACIT 3910 Database Administration andManagementAssi ...
分类:数据库   时间:2019-10-04 19:13:02    阅读次数:100
A - Perfect Team CodeForces - 1221C
You may have already known that a standard ICPC team consists of exactly three members. The perfect team however has more restrictions. A student can ...
分类:其他好文   时间:2019-10-03 00:46:44    阅读次数:101
2018宁夏A题
As an ACM-ICPC newbie, Aishah is learning data structures in computer science. She has already known that a stack, as a data structure, can serve as a ...
分类:其他好文   时间:2019-10-01 22:13:28    阅读次数:129
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