tanchao90

# -*- coding:utf-8 -*-

print 'Hello World'

tanchao90

## 参考：
[VirtualBox如何扩展虚拟机Ubuntu的硬盘容量？](http://blog.csdn.net/ouyang_peng/article/details/53261599)
下面是按上述教程的实践总结；

## 我的环境：
- Windows 10
- VirtualBox 5.1.6 r110634 (Qt5.5.1)
- Ubuntu 16.04 LTS

## 通过增加新分区扩展

tanchao90

import gc

gc.set_threshold(500, 10, 10)

class ClassA(object):
	pass

print gc.get_count()
gc.collect()

tanchao90

# -*- encoding:utf-8 -*-
###### 线程池 - by 汪蔚 [email protected]

import threading
import traceback


def default_fail_handle():
	pass

tanchao90

# -*- coding:utf-8 -*-

import re


def testReChinese():
    """测试匹配中文信息"""
    source  =  "狗b狗B骂你祖宗"
    temp    =   source.decode('utf8')
    print "同时匹配中文英文"

tanchao90

# The MySQL database server configuration file.
#
# You can copy this to one of:
# - "/etc/mysql/my.cnf" to set global options,
# - "~/.my.cnf" to set user-specific options.
#
# One can use all long options that the program supports.
# Run program with --help to get a list of available options and with
# --print-defaults to see which it would actually understand and use.
#

tanchao90

# The MySQL database server configuration file.
#
# You can copy this to one of:
# - "/etc/mysql/my.cnf" to set global options,
# - "~/.my.cnf" to set user-specific options.
#
# One can use all long options that the program supports.
# Run program with --help to get a list of available options and with
# --print-defaults to see which it would actually understand and use.
#

tanchao90

MyBatis Version: 3.3.0
Exception Info:

exception: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error evaluating expression 'record.version != null'. Cause: org.apache.ibatis.ognl.NoSuchPropertyException: com.test.domain.domain.Po.version, dubbo version: 2.10.0.3, current host: 127.0.0.1 org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error evaluating expression 'record.version != null'. Cause: org.apache.ibatis.ognl.NoSuchPropertyException: com.test.domain.domain.Po.version
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:79)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:447)
at com.sun.proxy.$Proxy100.update(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.update(SqlSessionTemplate.java:295)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:55)
at org.apac