HDU - 4630 No Pain No Game (Offline Segment Tree)

No Pain No Game Topic: Give a ranking of length n from 1 to n to find the maximum gcd of two points in the interval Train of thought: Because the problem is not updated, we can solve it offline. Sort each query by r Because two-point gcd must be an approximation of two numbers, it can be violently inserted into the approximation of a[i] (w ...

Posted on Fri, 11 Oct 2019 08:01:25 -0700 by amsgwp

NET MVC5 Brief Introduction Result

Ajax request data response format, a striking group must agree, the front-end knows how to deal with, there are many other cases, such as exceptions, ExceptionFilter, according to the fixed format return, such as no permission, Authorization, according to the fixed format return. The nature of the Http request: Request-response, can the respo ...

Posted on Tue, 08 Oct 2019 21:05:46 -0700 by Benjigga

Preview and upload of native operation pictures of webform

1. Input tag is used for image manipulation. Input tag has an accept attribute, which can only be used in conjunction with <input type="file". It specifies the type of file that can be submitted through file upload. Multiple attribute values are separated by commas <input accept="audio/*, video/*, image/*">.   ...

Posted on Fri, 04 Oct 2019 08:33:53 -0700 by jonez

Synchronized saving of FreeSql navigation properties

Write before FreeSql supports.net framework 4.5+,.net core 2.1+, open source ORM under a.net platform.With over 3100+, unit testing is attracting new developers and continuing to evolve. Like EFCore, we have navigation objects that support OneToOne (one-to-one), [ManyToOne], [OneToMany], [ParentChild], [ManyToMany], either by convention or by h ...

Posted on Sun, 29 Sep 2019 19:03:26 -0700 by cedricm

Cache cache (car cleaning)

When I first came into contact with Cache, it was in WebForm. When I first came into contact with Cache, I never forgot that cache was the Pinyin for car cleaning. Client Browser Cache https://blog.csdn.net/y874961524/article/details/61419716 CDN Caching Principle https://www.cnblogs.com/shijingxiang/articles/5179032.html Aliyun CDN Open Set ...

Posted on Sat, 21 Sep 2019 07:43:45 -0700 by notsleepy

ASP.NET Core Basic 1-1 WebHost and Project Configuration

.NET Core ASP.NET Core Basic 1-1 This section covers WebHost and project configuration Project Profile We can clearly find that our file contains a Json file - appsettings.json. In fact, this file is the default configuration file of our project. It contains some default settings, of course, you can add or modify it yourself. Let's not start ...

Posted on Tue, 27 Aug 2019 08:42:08 -0700 by recklessgeneral

Bridge

Examples If we need to develop a tank game that supports both PC and mobile phones, the functions of the game are the same on both PC and mobile phones, both of which have the same type and face the same functional requirements. For example, the tank may have many different models: T50, T75, T90... For the tank design, we may easily design an a ...

Posted on Mon, 05 Aug 2019 03:04:26 -0700 by StroiX

Entity Framework Many-to-Many Mapping

In the previous article, we explained one-to-many relationship mapping in EF. In this article, we explained Many-to-Many Relationship mapping in EF.In this article, we will also use a simple example to illustrate Many-to-Many Relationship mapping. Zero. Automatically generate relationship tables Story: In a student selection system, there are ...

Posted on Mon, 15 Jul 2019 10:31:49 -0700 by compphenom

Expression expression tree dynamic query

In the query of data list, we usually use two ways to query: linq query Database sql statement query This way, of course, can achieve the query, I have done so before, because the query conditions are very few. With linq, the attributes of all query conditions can be transferred to the background, and then queried by where according to whethe ...

Posted on Wed, 03 Jul 2019 18:18:34 -0700 by joe1986

SignalR Learning Series 2. First SignalR Program

New projects 1. Use Visual Studio to create a new Web project in 2015 2. Choose an empty template 3. Add a new SignalR Hub Class (v2) class file and change the class name to ChatHub   4. Modify the ChatHub code using System; using System.Collections.Generic; using System.Linq; using System.Web; using Microsoft.AspNet.SignalR; ...

Posted on Tue, 11 Jun 2019 14:24:17 -0700 by Webxplosion