SapgoBI Lesson 1: Introduction and Installation Downloading and installing SpagoBI. Download SpagoBI at the URL http://forge.ow2.org/project/showfiles.php?group_id=204. There are two components that we will need for this course: SpagoBI Server - This…
SpagoBI Lesson 2: OLAP with JPIVOT Online Analytical Processing Online Analytical Processing (OLAP) enables one to analyze different dimensions of multidimensional data. It enables one to analyze data from different perspectives. Consider sales data…
SpagoBI Lesson 5: Creating a dashboard with BIRT and SpagoBI Creating a dashboard with BIRT and SpagoBI In this chapter, we will be creating a dashboard using the BIRT reporting engine and then we will host it in the SpagoBI server. Assume that the b…
SpagoBI Lesson 4: BIRT Reports BIRT BIRT is the acronym for Business Intelligence and Reporting Tools and is an open source initiative to create a fully functional reporting tool using open source tools. BIRT supports various types of reports such as…
SpagoBI Lesson 3: Highchart Dashboards Business Intelligence dashboards Every car comes with a dash board which has several gauges that alerts the driver when an important event have occurred. It might be that the car is running low on fuel or the en…
这是老版本的教程,为了不耽误大家的时间,请直接看原文,本文仅供参考哦!原文链接:https://developer.microsoft.com/EN-US/WINDOWS/HOLOGRAPHIC/holograms_101 这篇文章将通过一个完整的实例来了解设备的核心特性,包括凝视,手势,声音输入和空间声音与空间映射.先决条件 1.一个 Windows 10 PC 并安装有相应的软件tools installed..2. 开发者模式的HoloLensconfigured for developm…
1. Machine Learning definition(机器学习定义) Arthur Samuel(1959年)将机器学习非正式定义为:在不直接针对问题进行编程的情况下,赋予计算机学习能力的一个研究领域. 创造西洋棋程序,可以和自己对战. Tom Mitchell(1998年)提出一个更为正式关于机器学习的定义 :对于一个计算机程序来说:给它一个任务T和一个性能测量方法P,如果在经验E的影响下,P对T的测量结果得到了改进,那么就说改程序从E中学习. E = the experience o…
废话开篇 以前从来没听说过有Redis这么个玩意,无意间看到一位仁兄的博客,才对其有所了解,所以决定对其深入了解下.有不对的地方还请各位指正. Redis介绍 下面是官方的介绍,不喜欢english的直接绕到中文的介绍区域. Redis is an open source, BSD licensed, advanced key-value store. It is often referred to as a data structure server since keys can contai…
Raphael 是一个用于在网页中绘制矢量图形的 Javascript 库.它使用 SVG W3C 推荐标准和 VML 作为创建图形的基础,你可以通过 JavaScript 操作 DOM 来轻松创建出各种复杂的柱状图.饼图.曲线图等各种图表,还可以绘制任意形状的图形,可以进行图表或图像的裁剪和旋转等复杂操作 Raphaël 是跨浏览器的矢量图形库,目前支持的浏览器包括: Firefox 3.0+,Safari 3.0+,Chrome 5.0+,Opera 9.5+ 以及 Internet Exp…
Oracle的产品非常丰富,各类学习资源也五花八门,本文将介绍Oracle官方的免费教程与风哥整理的Oracle视频教程: 1.Oracle帮助中心 Oracle帮助中心也称为Oracle文档中心,这里汇集了Oracle所有产品的参考手册与帮助文档,其重要性不言而喻.Oracle的产品线非常丰富,浏览此网站可以大致了解Oracle的产品体系,包括数据库,中间件,应用,服务器,应用以及公有云. 通过http://docs.cloud.oracle.com 可以直接访问Oracle公有云的所有文档,…