Cannot find a class or type named "MultiMarker" 是一种常见错误,产生的原因是Library里面有1个以上的ar库. 以我的电脑为例,我装了NyAR2.NyAR4psg,所以运行的时候Processing先搜索NyAR2,结果找不到MultiMarker类,于是报错,它并不知道下面还有个库里面有此类,这是典型的同名错误,解决方案: 1.删除一个库 2.做重载(这个比较麻烦,需要有一定JAVA基础)…
Q: std::thread fs_module(fs_process, prob_orig, fb_sz, line_num, probp, plabel, std::ref(confidence_level)) ; fs_module.detach(); A: I could compile your code successfully with MSVC2013. However, thread() works passing copies of its argument to the n…
/usr/include/c++/4.8/functional:1697:61: error: no type named ‘type’ in ‘class std::result_of<std::_Mem_fn<void 看的上面的错误. 之后Google 了,结合下面两个链接才解决. https://segmentfault.com/q/1010000004413576 http://stackoverflow.com/questions/28950835/c-error-no-type-…
Components Learn how to type React class components and stateless functional components with Flow Search docs Adding Flow types to your React components is incredibly powerful. After typing your component, Flow will statically ensure that you are usi…
qt5中的连接 有下列几种方式可以连接到信号上 旧语法 qt5将继续支持旧的语法去连接,在QObject对象上定义信号和槽函数,及任何继承QObjec的对象(包含QWidget). connect(sender, SIGNAL (valueChanged(QString,QString)),receiver, SLOT (updateValue(QString)) ); 新语法:连接到QObject成员 下面是一种新的方式来连接两个QObjects: connect(sender, &Sende…
回到目录 对于IoC容器来说,性能最好的莫过于Autofac了,而对于灵活度来说,它也是值得称赞的,为了考虑系统的性能,我们经常是在系统初始化于将所有依赖注册到容器里,当需要于根据别名把实现拿出来,然后再使用即可:而如果每次使用都是注册-反射,我相信那是很耗性能的,所以我们决定先依赖一次注册,按需反射对象的实例! 通过Named全局注册接口的所有实现 var builder = new ContainerBuilder(); builder.RegisterType<Mul1>() .Name…
/int整数/ 如: 18.73.84 每一个整数都具备如下功能: class int(object): """ int(x=0) -> int or long int(x, base=10) -> int or long Convert a number or string to an integer, or return 0 if no arguments are given. If x is floating point, the conversion tr…
https://msdn.microsoft.com/en-us/library/office/hh824675(v=office.14).aspx Creating a SharePoint Sequential Workflow Using a Custom Task Approval Field SharePoint 2010   Summary:  Learn how to programmatically create and test a SharePoint sequential…
Question 133You create a Web Part that updates a list.You need to ensure that users can use the Web Part to update the list, regardless of the users' permissions to the list.What should you use in the Web Part?A. the SPSecurity.AuthenticationMode pro…
入门知识拾遗 一.作用域 对于变量的作用域,执行声明并在内存中存在,该变量就可以在下面的代码中使用. if 1==1: name = 'yuxiaozheng' print name 外层变量,可以被内层变量使用 内层变量,无法被外层变量使用   二.三元运算 result = value1 if 条件 else value2 如果条件为真:result = 值1如果条件为假:result = 值2 三.进制 二进制,01 八进制,01234567 十进制,0123456789 十六进制,012…