##Advice for Applying Machine Learning Applying machine learning in practice is not always straightforward. In this module, we share best practices for applying machine learning in practice, and discuss the best ways to evaluate performance of the le…
The purpose of this post is to provide an introduction to the Model-View-ViewModel (MVVM) pattern. While I've participated in lots of discussions online about MVVM, it occurred to me that beginners who are learning the pattern have very little to go…
SnakeYAML Documentation This documentation is very brief and incomplete. Feel free to fix or improve it. Installation If you use Maven just add a dependency as described here. If you do not use Maven download the latest JAR and put it to the classpat…
Flume有三个组件:Source.Channel 和 Sink.在源码中对应同名的三个接口. When a Flume source receives an event, it stores it into one or more channels. The channel is a passive store that keeps the event until it’s consumed by a Flume sink. public interface Source extends Li…
Writing GenericUDAFs: A Tutorial User-Defined Aggregation Functions (UDAFs) are an excellent way to integrate advanced data-processing into Hive. Hive allows two varieties of UDAFs: simple and generic. Simple UDAFs, as the name implies, are rather si…
上一章讲了正则表达式,这一章继续我们的前菜,浏览器兼容性处理. 先介绍一个简单的沙盒测试函数. /** * Support testing using an element * @param {Function} fn Passed the created div and expects a boolean result */ //特性检测的一个技巧,造一个div,最后将其删掉,提供一种简单的沙盒(如果该div不加入到DOM树上,则部分属性如currentStyle会没有) function a…
Filters in ASP.NET Core MVC allow you to run code before or after specific stages in the request processing pipeline. Important This topic does not apply to Razor Pages. ASP.NET Core 2.1 and later supports IPageFilter and IAsyncPageFilterfor Razor Pa…
