Hyperapp is an ultra lightweight (1kb), minimal, functional, JavaScript library for building UIs. It comes with a VDOM engine and state management without any dependencies. In this lesson, we build a simple counter app. We include the Hyperapp librar…
在写类型转换的时候发现报错 异常信息 ognl.MethodFailedException: Method "setUser" failed for object com.mikey.action.ConverterAction@dd34285 [java.lang.NoSuchMethodException: com.mikey.action.ConverterAction.setUser([Ljava.lang.String;)] at ognl.OgnlRuntime.callA…
stackoverflow上的的解决方法:Install a web server and load your HTML document from there.…
In this lesson, we'll look at how we can use Ramda's invoker and constructNfunctions to take methods of an object and turn them into reusable utility functions that are curried and accept their object as the last argument. We'll convert a dot-chained…
https://towardsdatascience.com/real-time-and-video-processing-object-detection-using-tensorflow-opencv-and-docker-2be1694726e5 https://www.pyimagesearch.com/2018/11/12/yolo-object-detection-with-opencv/ https://www.pyimagesearch.com/2017/09/18/real-t…
  Definitions A trace file is a file that contains diagnostic data used to investigate problems. Also, trace files can provide guidance for tuning applications or an instance.   Types of Trace Files Each server and background process can periodically…
注: 转载自 https://www.geeksforgeeks.org/state-design-pattern/  [以便查阅,非原创] State Design Pattern State pattern is one of the behavioral design pattern. State design pattern is used when an Object changes its behavior based on its internal state. If we hav…
今天,我们要讲解的是异步.单一state树结构.componentWillReceiveProps这三个知识点. 例子 这个例子是官方的例子,主要是从Reddit中请求新闻列表来显示,可以切换react和frontend关键词来切换新闻列表,可以刷新当前新闻列表. 源代码: https://github.com/lewis617/react-redux-tutorial/tree/master/redux-examples/async 异步 异步本身 这个概念,本文不详细叙述,但可以简单说一下,…
  public class StreamTaskState implements Serializable, Closeable { private static final long serialVersionUID = 1L; private StateHandle<?> operatorState; private StateHandle<Serializable> functionState; private HashMap<String, KvStateSnaps…
 多个组件合成一个组件: var style = { fontSize: 20, color: '#ff0000' }; var WebSite = React.createClass({ render: function () { return ( <div style={style}> <Name name={this.props.name} /> <Link link={this.props.link} /> </div> ); } }); var N…