type Exception report

message Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.microsoft.sqlserver.jdbc.SQLServerException: 通过端口 1433 连接到主机 192.168.0.216 的 TCP/IP 连接失败。错误:“connect timed out。请验证连接属性。确保 SQL Server 的实例正在主机上运行,且在此端口接受 TCP/IP 连接,还要确保防火墙没有阻止到此端口的 TCP 连接。”。
### The error may exist in file [C:\Program Files\apache-tomcat-7.0.67\webapps\ExceptionManageSystem\WEB-INF\classes\com\tongyan\ems\mapper\userMapper.xml]
### The error may involve com.tongyan.ems.mapper.UserMapper.findByNameAndPwd
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.microsoft.sqlserver.jdbc.SQLServerException: 通过端口 1433 连接到主机 192.168.0.216 的 TCP/IP 连接失败。错误:“connect timed out。请验证连接属性。确保 SQL Server 的实例正在主机上运行,且在此端口接受 TCP/IP 连接,还要确保防火墙没有阻止到此端口的 TCP 连接。”。
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:978)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause

org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.microsoft.sqlserver.jdbc.SQLServerException: 通过端口 1433 连接到主机 192.168.0.216 的 TCP/IP 连接失败。错误:“connect timed out。请验证连接属性。确保 SQL Server 的实例正在主机上运行,且在此端口接受 TCP/IP 连接,还要确保防火墙没有阻止到此端口的 TCP 连接。”。
### The error may exist in file [C:\Program Files\apache-tomcat-7.0.67\webapps\ExceptionManageSystem\WEB-INF\classes\com\tongyan\ems\mapper\userMapper.xml]
### The error may involve com.tongyan.ems.mapper.UserMapper.findByNameAndPwd
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.microsoft.sqlserver.jdbc.SQLServerException: 通过端口 1433 连接到主机 192.168.0.216 的 TCP/IP 连接失败。错误:“connect timed out。请验证连接属性。确保 SQL Server 的实例正在主机上运行,且在此端口接受 TCP/IP 连接,还要确保防火墙没有阻止到此端口的 TCP 连接。”。
org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:76)
org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:399)
com.sun.proxy.$Proxy46.selectOne(Unknown Source)
org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:165)
org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:68)
org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
com.sun.proxy.$Proxy59.findByNameAndPwd(Unknown Source)
com.tongyan.ems.dao.impl.UserDaoImpl.findByNameAndPwd(UserDaoImpl.java:26)
com.tongyan.ems.service.impl.UserServiceImpl.verifyLogin(UserServiceImpl.java:22)
com.tongyan.ems.controller.web.LoginController.verifyLogin(LoginController.java:43)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:601)
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause

org.apache.ibatis.exceptions.PersistenceException:
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.microsoft.sqlserver.jdbc.SQLServerException: 通过端口 1433 连接到主机 192.168.0.216 的 TCP/IP 连接失败。错误:“connect timed out。请验证连接属性。确保 SQL Server 的实例正在主机上运行,且在此端口接受 TCP/IP 连接,还要确保防火墙没有阻止到此端口的 TCP 连接。”。
### The error may exist in file [C:\Program Files\apache-tomcat-7.0.67\webapps\ExceptionManageSystem\WEB-INF\classes\com\tongyan\ems\mapper\userMapper.xml]
### The error may involve com.tongyan.ems.mapper.UserMapper.findByNameAndPwd
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.microsoft.sqlserver.jdbc.SQLServerException: 通过端口 1433 连接到主机 192.168.0.216 的 TCP/IP 连接失败。错误:“connect timed out。请验证连接属性。确保 SQL Server 的实例正在主机上运行,且在此端口接受 TCP/IP 连接,还要确保防火墙没有阻止到此端口的 TCP 连接。”。
org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:26)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:111)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:66)
sun.reflect.GeneratedMethodAccessor161.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:601)
org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:386)
com.sun.proxy.$Proxy46.selectOne(Unknown Source)
org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:165)
org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:68)
org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
com.sun.proxy.$Proxy59.findByNameAndPwd(Unknown Source)
com.tongyan.ems.dao.impl.UserDaoImpl.findByNameAndPwd(UserDaoImpl.java:26)
com.tongyan.ems.service.impl.UserServiceImpl.verifyLogin(UserServiceImpl.java:22)
com.tongyan.ems.controller.web.LoginController.verifyLogin(LoginController.java:43)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:601)
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause

org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.microsoft.sqlserver.jdbc.SQLServerException: 通过端口 1433 连接到主机 192.168.0.216 的 TCP/IP 连接失败。错误:“connect timed out。请验证连接属性。确保 SQL Server 的实例正在主机上运行,且在此端口接受 TCP/IP 连接,还要确保防火墙没有阻止到此端口的 TCP 连接。”。
org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:82)
org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:68)
org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:279)
org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:72)
org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:59)
org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267)
org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:137)
org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:96)
org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:77)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:66)
sun.reflect.GeneratedMethodAccessor161.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:601)
org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:386)
com.sun.proxy.$Proxy46.selectOne(Unknown Source)
org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:165)
org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:68)
org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
com.sun.proxy.$Proxy59.findByNameAndPwd(Unknown Source)
com.tongyan.ems.dao.impl.UserDaoImpl.findByNameAndPwd(UserDaoImpl.java:26)
com.tongyan.ems.service.impl.UserServiceImpl.verifyLogin(UserServiceImpl.java:22)
com.tongyan.ems.controller.web.LoginController.verifyLogin(LoginController.java:43)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:601)
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause

com.microsoft.sqlserver.jdbc.SQLServerException: 通过端口 1433 连接到主机 192.168.0.216 的 TCP/IP 连接失败。错误:“connect timed out。请验证连接属性。确保 SQL Server 的实例正在主机上运行,且在此端口接受 TCP/IP 连接,还要确保防火墙没有阻止到此端口的 TCP 连接。”。
com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(SQLServerException.java:190)
com.microsoft.sqlserver.jdbc.SQLServerException.ConvertConnectExceptionToSQLServerException(SQLServerException.java:241)
com.microsoft.sqlserver.jdbc.SocketFinder.findSocket(IOBuffer.java:2243)
com.microsoft.sqlserver.jdbc.TDSChannel.open(IOBuffer.java:491)
com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1309)
com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:991)
com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:827)
com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:1012)
org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582)
org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1148)
org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106)
org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111)
org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77)
org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:82)
org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:68)
org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:279)
org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:72)
org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:59)
org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267)
org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:137)
org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:96)
org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:77)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:66)
sun.reflect.GeneratedMethodAccessor161.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:601)
org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:386)
com.sun.proxy.$Proxy46.selectOne(Unknown Source)
org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:165)
org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:68)
org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
com.sun.proxy.$Proxy59.findByNameAndPwd(Unknown Source)
com.tongyan.ems.dao.impl.UserDaoImpl.findByNameAndPwd(UserDaoImpl.java:26)
com.tongyan.ems.service.impl.UserServiceImpl.verifyLogin(UserServiceImpl.java:22)
com.tongyan.ems.controller.web.LoginController.verifyLogin(LoginController.java:43)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:601)
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.67 logs.

The server encountered an internal error that prevented it from fulfilling this request.的更多相关文章

  1. The server encountered an internal error that prevented it from fulfilling this request.(JsonMappingException: Conflicting getter definitions)

    在测试一个方法,dubug查看查询结果已经出来了,结果页面上是The server encountered an internal error that prevented it from fulfi ...

  2. PHP错误The server encountered an internal error or misconfiguration and was unable to complete your re

    我的笔记本电脑上的环境安装了很多次,但是运行项目时总是会报The server encountered an internal error or misconfiguration and was un ...

  3. windows上zend server安装 报The server encountered an internal error or misconfiguration and was unable to complete your request -解决方法 摘自网络

    windows上zend server安装完成后报如下错误:   Internal Server Error The server encountered an internal error or m ...

  4. EBS Webservice Timeout,HTTP Server Return "500 Internal Server Error"

    http://blog.itpub.net/26687597/viewspace-1207571/ 基于Oracle EBS R12,开发了一个Webservice用于返回某项主数据,当请求的数据量非 ...

  5. python appium自动化报“Encountered internal error running command: UnknownError: An unknown server-side error occurred while processing the command. Original error: Could not proxy command to remote server

    运行app自动化代码时报"Encountered internal error running command: UnknownError: An unknown server-side e ...

  6. mac上运行appium提示错误Encountered internal error running command 解决办法

    [debug] [iOS] App is not installed. Will try to install. [MJSONWP] Encountered internal error runnin ...

  7. SQL Server 问题 1 - SQL Server encountered error 0x80070422/0x8007042d

    今天执行SQL Server 2014的full-text search 查询操作:select * from table where contains(summary, 'smith') 报出如下错 ...

  8. Server Error The server encountered an error and could not complete your request. 新建站点模版失败

    500 Server Error Error: Server Error The server encountered an error and could not complete your req ...

  9. 接口平台经常报server internal error(500)错误

    查询日志,发现连接mysql报错,web页面显示server internal error(500) 解决方法:重启mysql服务器 systemctl start mysqld #安装mysql # ...

随机推荐

  1. 聊一聊jquery文件上传(支持多文件上传)

    谈到文件上传,现在一般都用现成的组件可以使用.PC端的可以使用uploadify.针对微网站H5也有uploadifive.但是这组件并不能满足各种场景的需求,例如:预览 切图 放大缩小,取消之类的. ...

  2. 关于几种编程过程中的注释(TODO、FIXME、XXX等)

    最近看别人写的代码,注意到很多规范的代码的注释写的都特别好.只是不太明白TODO.FIXME这些事什么意思.查阅资料,看到一篇博客,遂转载而来,以供今后查阅. (转载地址http://www.cnbl ...

  3. Android 中onConfigurationChanged问题

    onConfigurationChanged 不生效问题解决方案: 1).首先,需要重写onConfigurationChanged函数 @Override    public void onConf ...

  4. cs231n笔记:线性分类器

    cs231n线性分类器学习笔记,非完全翻译,根据自己的学习情况总结出的内容: 线性分类 本节介绍线性分类器,该方法可以自然延伸到神经网络和卷积神经网络中,这类方法主要有两部分组成,一个是评分函数(sc ...

  5. js调用函数时括号加与不加的区别,function()&function

    <!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content ...

  6. windows下Bullet 2.82编译安装(Bullet Physics开发环境配置)

    平台:Win7,VS2010 1. Bullet库的组织 下图是Bullet_User_Manual中的截图: 从中可见,Bullet的LinearMath(线性数学模块),其上是BulletColl ...

  7. 2-Spark高级数据分析-第二章 用Scala和Spark进行数据分析

    数据清洗时数据科学项目的第一步,往往也是最重要的一步. 本章主要做数据统计(总数.最大值.最小值.平均值.标准偏差)和判断记录匹配程度. Spark编程模型 编写Spark程序通常包括一系列相关步骤: ...

  8. php 添加钩子实例

    <?php/*定义钩子函数*/function add($hook,$actionFunc){    global $emHooks;    if(isset($emHooks[$hook])) ...

  9. Mysql 声明变量

    Mysql 声明变量 Mysql中声明变量有两种方式 第一种: set @num=1; 或set @num:=1; //这里要使用变量来保存数据,直接使用@num变量 第二种: select @num ...

  10. css3 animation实现风车转动

    项目中经常有用到动画效果,比如Loading.风车转动等等.最简单的办法是使用gif,但是gif在半透明背景下有白边,体验不友好,好在现在可以使用css3的anmiation来实现动画效果,极大的提升 ...