You often need streams to trigger different behaviors on the data based on which streams triggers. This lessons shows how to use mapTo to pass functions into the scan operator and have completed control over you data. Current Code: const Observable =…

This lesson helps you think in Reactive programming by explaining why it is a beneficial paradigm for programming. See how reactive programming helps you understand the dynamic behavior of a value evolving over time. It allows you to specify the dyna…

Behavior Trees for Path Planning (Autonomous Driving) 2019-11-13 08:16:52 Path planning in self-driving cars Path planning and decision making for autonomous vehicles in urban environments enable self-driving cars to find the safest, most convenient,…

在使用scss和less开发的时候,遇到过一件很有趣的事,因为网站需要支持响应式,就开了一个响应式样式框架,简单的几百行scss代码,居然生成了近100KB的css代码,因此决定重构这个样式库.而重构后的项目总是出现各种各样的问题,尤其在响应式方面,可能在一种分比率下页面显示正常,而在另一种分辨率下页面却变得面目全非,几次调整都有遗漏的地方,忙得测试人员(其实就是我自己了)不可开交.最后总结为样式开发也是需要做自动化回归测试的,尤其是开发具有响应式功能的复杂样式库的时候,自动化测试尤其重要. 如…

归纳总结备忘 Devexpress Winform MVVM Practice 前言 MVVM Devexpress 正文 databindings及 UI Triggers Command 委托Command POCO Commands 异步command WithCommand extension Attaching Behaviors Confirmation behavior. Event To Command. Key(s)-To-Command (Devexpress Winform…

New tool sets are making it easier and easier to engage in genuine agile development on iOS. In particular, true test-driven development—which was formerly a hard, upstream slog on iOS—is becoming increasingly attainable. Here’s how we’re doing it he…

DevExpress MVVM 概念 模型 -定义数据和您的业务逻辑. 视图 -指定UI,包括绑定到ViewModel中的属性和命令的所有可视元素(按钮,标签,编辑器等). ViewModel-连接模型和视图.该层是View的抽象,它公开了用于将数据绑定到GUI元素并管理此数据的公共属性和命令. 约定和属性Conventions and Attributes 属性的语法正确,则可以将其视为可绑定的,这些语法规则称为约定. 约定:约定熟成的语法 可绑定属性 所有公共实现的虚拟属性都是可绑定的 pu…

代码提交的commit info提个建议,fix的issue是哪个issue?都要有明确的链接.推荐方式:1.建立issue,说明问题的背景和原因.http://git.startdt.net/payment/paycenter/issues2.提交代码的时候commit info引入该issue3.测试验证回归以后close 这个issue这样就可以做到每一次提交都能追根溯源.提交代码的commit info信息是给自己看的,也是给别人看的.内容翔实自然最好,最基本的是一定要让别人看懂你提交的…

We made our first operator called multiplyBy, which looks a bit useful, but in practice we don't need it because it's too specific: it only does simple multiplication on numbers. In this lesson we will see how the map() operator is useful for any cal…

RxJS 博大精深,看了好几篇文章都没有明白. 范围牵扯到了函数响应式开发去了... 我对函数式一知半解, 响应式更是第一次听到... 唉...不过日子还是得过...混着过先呗 我目前所理解的很浅, 大致上是这样的概念. 1.某些场景下它比promise好用, 它善于过滤掉不关心的东西. 2.它是观察者模式 + 迭代器模式组成的 3.跟时间,事件, 变量有密切关系 4.世界上有一种东西叫 "流" stream, 一个流能表示了一段时间里,一样东西发生的变化. 比如有一个值, 它在某段时…