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安装Python的psutil模块时报错:error: command 'gcc' failed with exit status 1
安装Python的psutil模块:tarzxvfpsutil-2.0.0.tar.gz cdpsutil-2.0.0 pythonsetup.pyinstall报错:runninginstall runningbdist_egg ...... psutil/_psutil_linux.c:12:20:error:Python.h:Nosuchfileordirectory Infileincludedfrompsutil/_psutil_linux.c:23: psutil/_psutil..
分类:编程语言   时间:2016-11-17 21:22:23    阅读次数:4110
spring依赖注入单元测试:expected single matching bean but found 2
异常信息:org.springframework.beans.factory.UnsatisfiedDependencyException: Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No ...
分类:编程语言   时间:2016-11-16 02:32:09    阅读次数:179
Syntax error on token "package", assert expected------踩坑记录
Syntax error on token "package", assert expected------踩坑记录 ...
分类:其他好文   时间:2016-11-15 19:45:30    阅读次数:213
Python内置函数(55)——round
英文文档: The behavior of round() for floats can be surprising: for example, round(2.675, 2) gives 2.67 instead of the expected 2.68. This is not a bug: i ...
分类:编程语言   时间:2016-11-14 02:22:33    阅读次数:274
linux tomcat 用/etc/init.d/tomcat start启动报错
line 13: [ 0: unary operator expected please use "sudo service tomcat stop|start|restart" 出现此错误,需要去编辑/etc/init/tomcat 然后把 U_UID= 改成 U_UID=0 就可以了 ...
分类:系统相关   时间:2016-11-13 18:53:14    阅读次数:303
Java多线程与并发库高级应用-同步集合
ArrayBlockingQueue LinkedBlockingQueue 数组是连续的一片内存 链表是不连续的一片内存 传统方式下用Collections工具类提供的synchronizedCollection方法来获得同步集合。 java5中提供了如下一些同步集合类: > 通过看java.ut ...
分类:编程语言   时间:2016-11-10 03:25:28    阅读次数:208
javax.validation.UnexpectedTypeException: HV000030: No validator could be found for constraint
使用hibernate validator出现上面的错误, 需要 注意 @NotNull 和 @NotEmpty 和@NotBlank 区别 @NotEmpty 用在集合类上面@NotBlank 用在String上面@NotNull 用在基本类型上 如果在基本类型上面用NotEmpty或者NotBl ...
分类:编程语言   时间:2016-11-08 19:39:18    阅读次数:510
python问题:IndentationError:expected an indented block错误解决《转》
python问题:IndentationError:expected an indented block错误解决 python问题:IndentationError:expected an indented block错误解决 标签: python语言 2012-07-07 17:59 125145 ...
分类:编程语言   时间:2016-11-08 13:22:30    阅读次数:224
net windows Kafka
net windows Kafka 安装与使用入门(入门笔记) 完整解决方案请参考: Setting Up and Running Apache Kafka on Windows OS 在环境搭建过程中遇到两个问题,在这里先列出来,以方便查询: 1. \Java\jre7\lib\ext\QTJav ...
分类:Windows程序   时间:2016-11-08 00:49:20    阅读次数:354
JavaScript: Async Promise “while loop”
This is a solution to the situation where you have an asynchronous task you want to perform over and over again, in a non-blocking fashion, stopping w ...
分类:编程语言   时间:2016-11-05 20:45:12    阅读次数:410
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