HDU - 6214 Smallest Minimum Cut

Links: https://cn.vjudge.net/problem/HDU-6214 The next line gives n, m (n points, m edges), plus the source point s, the sink point t, plus m lines to describe the edges u, v (both ends of the edge), and the capacity of w edges. Find the minimum number of cut edges. Idea: Multiply the capacity by a ...

Posted on Mon, 14 Oct 2019 13:30:06 -0700 by nobru

Exploring JAVA8 part2: several built-in functional interfaces

previously on Deep Exploration of JAVA8 Par1: Functional Programming and Lambda Expressions Before reading this article, those who are not familiar with functional programming and Lambda expressions can first look at the above and recall it. This article will briefly introduce some of the built-in functional interfaces in Java 8 Retrospective F ...

Posted on Mon, 14 Oct 2019 13:25:55 -0700 by jdnet

Harmonious Army(HDU6598 + Minimum Cut + Mapping)

Title Link Portal meaning of the title There are (n) soldiers who want you to assign them jobs. There are (m) pairs of relationships. For a pair of relationships \(u,v\), if you are a warrior, your total ability will increase (a\), and the same wizard will increase \(c\), and a warrior will increase \(\frac{a}{4}+\frac{c}{3}\, which requires yo ...

Posted on Mon, 14 Oct 2019 12:21:48 -0700 by oracle259

Wechat Game 2

Create canvas const canvas = wx.createCanvas() Enter the above code in game.js and save it image.png Horizontal centring image.png context.fillRect(canvas.width / 2 - 50, 0, 100, 100) Create a function: function drawRect(x, y) { // The purpose is to clear the original rectangle before each drawing. context.clearRe ...

Posted on Mon, 14 Oct 2019 12:04:21 -0700 by pornophobic

How to make a front-end scaffold with npm

Background Requirements: In daily development, with more and more projects, the more code that can be reused, the more urgent need for a basic template to initialize the project, put the code on their gitlab or github, each time you have to find the address to clone again, very troublesome.Expected results: XXX init.... One Line Order SolutionS ...

Posted on Mon, 14 Oct 2019 12:00:53 -0700 by jay_bo

Extension of Main Form Dialog Box for QT5

Introduction The expandable dialog box is mainly realized by setSize Constraint (QLayout:: SetFixed Size), which fixes the size of each control combination. When the expandable part is displayed, the size of the dialog box is adjusted according to the control displayed, and when the expandable part is ...

Posted on Mon, 14 Oct 2019 11:41:33 -0700 by zicco

Thymeleaf Common Grammar: Operator of Expressional Grammar

The constants of Thymeleaf expression grammar are divided into string constants, number constants, Boolean constants and null constants.Operators are divided into arithmetic operators, relational operators, conditional operators and no operators. Development environment: IntelliJ IDEA 2019.2.2Spring Boot version: 2.1.8 Create a new Spring Boo ...

Posted on Mon, 14 Oct 2019 11:39:34 -0700 by TalonFinsky

Universal rule matching algorithm (original) (java+.net)

1. Spring Spel l or Google Aviator can be used in Java If you use Aviator, add the following dependencies <dependency> <groupId>com.googlecode.aviator</groupId> <artifactId>aviator</artifactId> <version>4.1.2</version> </dependency>   However, ...

Posted on Mon, 14 Oct 2019 11:28:43 -0700 by kjtocool

POJ-3279 Fliptile (shape pressure dp)

Question meaning: The 01 matrix of the question meaning gives you mxn can flip a coordinate, but at the same time it will flip around (up and down, left and right). Ask how to flip all of them to 0 at least, and print the flipped image.Idea: We can use dfs to search violently, of course, we can also use the shape pressure dp. It happens that I ...

Posted on Mon, 14 Oct 2019 11:00:06 -0700 by upit

Docker's NameSpace and Group C

Docker container technology is essentially different from traditional virtualization technology. Traditional virtualization technology virtualizes multiple OSs on the basis of physical resources of station hardware, and then builds a relatively independent program running environment on the basis of OS. Docker is virtualized on the basis of OS ...

Posted on Mon, 14 Oct 2019 10:51:19 -0700 by DeGauss