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hibernate-validator
问题:HV000030: No validator could be found for type: java.lang.Integer解决:@NotNull 和 @NotEmpty 和@NotBlank 区别@NotEmpty 用在集合类上面@NotBlank 用在String上面@NotNull ...
分类:Web程序   时间:2018-09-30 15:03:04    阅读次数:172
Python3使用qrcode生成二维码教程
一、安装依赖库 pillow是python3中PIL的代替库,image是生成图版需要用到的库 安装image时报错“Could not install packages due to an EnvironmentError: [Errno 22] invalid mode ('wb') or fi ...
分类:编程语言   时间:2018-09-30 14:52:12    阅读次数:508
Cpp Chapter 9: Memory Models and Namespaces Part1
9.1 Separate compilation ) C++ could compile multiple files separately and link them into the final executable program ) You can divide original progr ...
分类:其他好文   时间:2018-09-29 23:49:11    阅读次数:165
org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.JDBCConnectionException: Cannot open con
org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate. ...
分类:数据库   时间:2018-09-29 22:48:51    阅读次数:292
spring添加@Transcational的事务调度问题
报错信息:org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is com.microso ...
分类:编程语言   时间:2018-09-29 19:15:03    阅读次数:608
ethereum/EIPs-1102 Opt-in provider access metamask不再默认直接连入网页
1102 Opt-in provider access Paul Bouchon <mail@bitpshr.net> https://ethereum-magicians.org/t/eip-1102-opt-in-provider-access/414 Draft Standards Track ...
分类:数据库   时间:2018-09-29 17:45:42    阅读次数:320
lc 753. Cracking the Safe
https://leetcode.com/problems/cracking-the-safe/description/ no obvious conclusion from the superfacial description can be made. firstly the problems ...
分类:其他好文   时间:2018-09-29 13:06:40    阅读次数:133
Tomcat启动失败错误解决Could not publish server configuration for Tomcat v7.0 Server at localhost
今天又碰到了Tomcat启动失败的错误,错误提示如下: Could not publish server configuration for Tomcat v7.0 Server at localhost. Multiple Contexts have a path of "/organ". 意思很 ...
分类:其他好文   时间:2018-09-28 14:39:04    阅读次数:476
Reverse Integer
Description: Given a 32-bit signed integer, reverse digits of an integer. Note: Assume we are dealing with an environment which could only store integ ...
分类:其他好文   时间:2018-09-27 01:37:06    阅读次数:162
关于升级到Android Studio3.2版本的注意事项
Caused by: org.gradle.api.resources.ResourceException: Could not get resource,Caused by: org.apache.http.conn.HttpHostConnectException: Connect to www.xxxx.com failed:
分类:移动开发   时间:2018-09-27 00:02:16    阅读次数:476
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