本文转自:http://badpaybad.info/simple-sample-to-create-and-use-widget-for-nopcommerce Here is very simple code to create widget in nopcommerce First you can download nopcommerce version 3.70 in here http://www.nopcommerce.com/downloads.aspx Seconds you s…

This turtorial describes how to use Qt Creator to create a small Qt application, Text Finder. It is a simplified version of the Qt UI Tools Text Finder Example. The application user interface is constructed from Qt widgets by using Qt Designer. The a…

基本业务:一个事件发生后,影响到多个国家,这个事件也会被定一个事件类型(这里简化为type1,2,3),处理这个事件花费多长时间. 我们的事实表就记录这个事情,相对应的我们设计两个维表,一个是国家,一个是事件类型,我们可以从这两个维度slice数据. 因为受影响的国家是多值的,所以一条fact表中的记录,会对应多条维度表中的记录,在这里,我使用了一个桥接表来处理这种多对多 的关系,这是第一种实现方案,是正确的方案. 第二种是我引入了另外一张规范化的表,来直接建立一个星型模型,实现后有一些问题,引…

For example, we want to have to button, looks similar to FloatingActionButton: But in the doc, it says to it is recommend to have only one floatingActionButton pre Application. So it is good idea to implement a similar one and learn how to build cust…

// Controllers.cs namespace Microshaoft.WebApi.Controllers { using Microshaoft.WebApi.Models; using System; using System.Collections.Generic; using System.Web.Http; using System.Net.Http; using System.Net; using System.Linq; public class PersonsContr…

本篇文章我们来讲讲一些比较常用的 Widget. 大家验证的时候使用下面的代码替换 main.dart 代码,然后在 //TODO 语句返回下面常用 Widget 示例的代码. import 'package:flutter/material.dart'; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { retu…

本文转自:http://blog.netnerds.net/2008/02/create-a-basic-sql-server-2005-trigger-to-send-e-mail-alerts/ For as many times as I have read about sending e-mails using SQL Server triggers, I've rarely come across actual code samples. After someone asked for…

需要重采样的数据文件(Libsvm format),如heart_scale +1 1:0.708333 2:1 3:1 4:-0.320755 5:-0.105023 6:-1 7:1 8:-0.419847 9:-1 10:-0.225806 12:1 13:-1 -1 1:0.583333 2:-1 3:0.333333 4:-0.603774 5:1 6:-1 7:1 8:0.358779 9:-1 10:-0.483871 12:-1 13:1 .... 重采样后的数据保存文件(Lib…

这题标程是错的,网上很多题解也是错的. http://acm.hdu.edu.cn/showproblem.php?pid=4975 2014 Multi-University Training Contest 10 A simple Gaussian elimination problem. Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s)…

Running total for Oracle: SELECT somedate, somevalue,SUM(somevalue) OVER(ORDER BY somedate ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS RunningTotalFROM Table from http://www.codeproject.com/Articles/300785/Calculating-simple-running-totals-i…