异常处理汇总-后端系列 http://www.cnblogs.com/dunitian/p/4523006.html 应用场景:ViewModel==>Mode映射的时候出错 AutoMappe r错误信息:Unmapped members were found. Review the types and members below.Add a custom mapping expression, ignore, add a custom resolver, or modify the sour
目标: var a = [1,2,3]; console.log(typeof a); //->object console.log($.type(a)); //->array jQuery -v1.12.4 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), function( i, na
在linux mount /dev/vdb 到 /home 分区时报错: # mount /dev/vdb /homemount: you must specify the filesystem type 先执行:mkfs.ext3 /dev/vdb # mkfs.ext3 /dev/vdbmke2fs 1.41.12 (17-May-2010)Filesystem label=OS type: LinuxBlock size=4096 (log=2)Fragment size=4096 (lo
OpenCASCADE Ring Type Spring Modeling eryar@163.com Abstract. The general method to directly create an edge is to give a 3D curve as the support(geometric domain) of the edge. The curve maybe defined as a 2D curve in the parametric space of a surface
The method getJspApplicationContext(ServletContext) is undefined for the type JspFactory 这是由于项目里面的一些包和Tomcat服务器的包重复,并且版本比Tomcat服务器的包低,但是运行时Tomcat服务器会先加载项目里面的包,造成和Tomcat服务器的其他包不匹配,解决的方法就是将重复的包从Tomcat服务器复制到项目里面.
Gson解析JSON字符串时出现了下面的错误: No-args constructor for class X does not exist. Register an InstanceCreator with Gson for this type to fix this problem. 解决的办法是把对应的Class改成静态类.
统计分析中Type I Error与Type II Error的区别 在统计分析中,经常提到Type I Error和Type II Error.他们的基本概念是什么?有什么区别? 下面的表格显示 between truth/falseness of the null hypothesis and outcomes of the test " -------|-------|------- | Judgement of Null Hypothesis H0 | Valid | Invalid |
Jsoup问题---获取http协议请求失败 1.问题:用Jsoup在获取一些网站的数据时,起初获取很顺利,但是在访问某浪的数据是Jsoup报错,应该是请求头里面的请求类型(ContextType)不符合要求. 错误信息: Exception in thread "main" org.jsoup.UnsupportedMimeTypeException: Unhandled content type. Must be text/*, application/xml, or applic
