原创 hdu 1387 Team Queue（隊列）
Team Queue Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 20
2020-06-25 06:02:45
原创 Spring 中的no Session錯誤
HTTP Status 500 - Could not write content: could not initialize proxy - no Session 原因：EntityManager提前關閉了 解決方案：在web.xml中
2020-06-25 06:02:45
原创 java 實現 JDBCUtil連接mysql8.0.15
1.通過單例實現提供jdbc的連接和流關閉 package cn.itsource.util; import java.sql.Connection; import java.sql.DriverManager; import jav
2020-06-25 06:02:34
原创 Dom4j解析xml之增刪改查
xml文件內容: <?xml version="1.0" encoding="UTF-8"?> <class> <student> <name>李明</name> <age>25</age> </student
2020-06-25 06:02:34
原创 JDBC連接MySQL8.0.15
mysql8.0.15的jre下載地址:https://dev.mysql.com/downloads/file/?id=484819 package cn.itsorce.jdbc; import java.sql.Connecti
2020-06-25 06:02:34
原创 Spring 中 No serializer found for class問題
HTTP Status 500 - Could not write content: No serializer found for class org.hibernate.proxy.pojo.javassist.JavassistLa
2020-06-25 06:02:34
原创 【Codeforces Round #384 (Div.2)】（A,B,C）
A. Vladik and flights time limit per test 2 seconds memory limit per test 256 megabytes input standard input
2020-02-22 06:55:40
原创 【Codeforces Round #402 (Div. 2) 】（A，B,C,D ）
A. Pupils Redistribution time limit per test 1 second memory limit per test 256 megabytes input standard input
2020-02-22 06:55:40
原创 【Codeforces Round #383 (Div. 2)】 （A,B,C）
A. Arpa’s hard exam and Mehrdad’s naive cheat time limit per test 1 second memory limit per test 256 megabytes i
2020-02-22 06:55:40
25
原创 玲瓏學院 1050 - array--dp
1050 - array Time Limit：3s Memory Limit：64MByte Submissions：474Solved：144 DESCRIPTION 2 array is an array,
2020-02-22 06:55:40
原创 POJ 3009 Curling 2.0（DFS）
Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 20039 Accepted: 8185 Description On Planet MM-21,
2020-02-22 06:55:40
原创 POJ 3669 Meteor Shower（BFS）
Meteor Shower Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 18203 Accepted: 4735 Description Bessi
2020-02-22 06:55:40
原创 hdu 1568 Fibonacci（斐波那契數列）
Fibonacci Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 493
2020-02-22 06:55:40
原创 “玲瓏杯”ACM比賽 Round #4 A -- chess play
A -- chess play Bob has a n×mn×m chessboard, which has two kinds of chess pieces.one is black, and the other is
2020-02-22 06:55:40
原创 “玲瓏杯”ACM比賽 Round #4 G -- See car
G -- See car Time Limit：2s Memory Limit：64MByt DESCRIPTION You are the god of cars, standing at (a, b) point
2020-02-22 06:55:40