Baidu Star Preliminary 2--Degree Bear and Arrangement--Binary Match

Degree Bear and Arrangement Accepts: 1100 Submissions: 3486 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description Duxiong has a machine that has a 1_M1 \sim M1_M queue p[1..M]p[1..M]p[1..M] as ...

Posted on Sun, 18 Aug 2019 20:04:33 -0700 by Edd

Introduction to iOS Multithread GCD, NSTread and NSOperation

In the development of iOS, we often use multithreading to handle some business. What are the ways to implement multithreading in iOS? NSTread: The smallest, lightest, and more expensive package. GCD (Grand Central Dispatch): Internal efficiency opti ...

Posted on Sun, 18 Aug 2019 02:18:21 -0700 by zfred09

Understanding linux Disk Sequential Writing and Random Writing

1. Preface * Random writing can cause the heads to change paths continuously, resulting in a significant reduction in efficiency; Sequential writing heads rarely need to change paths, or they take a very short time to change paths This article discusses the specific differences between the two and the corresponding kernel calls 2. Environme ...

Posted on Wed, 14 Aug 2019 21:54:17 -0700 by gilbertwang

Flutter Learning Notes (15) --MaterialApp Application Components and routes Routing Details

If you need to reproduce it, please indicate the source: Flutter Learning Notes (15) --MaterialApp Application Components and routes Routing Details Recently, I was sick and ran to the hospital all day. I was not in a good state to learn anything. It is time to continue learning!!! Today I'll tell you more about Material App application compo ...

Posted on Wed, 14 Aug 2019 21:53:28 -0700 by Stickdragon

React Native iOS Mixed Development

Links to the original text: https://www.jianshu.com/p/66eb84f13bd8 When developing RN, communication between JS and Native is usually indispensable. For example, when initializing RN, Native transfers data to JS, JS calls Native's album ...

Posted on Wed, 14 Aug 2019 04:06:05 -0700 by smti

Micro-fuze black technology: mobile browser directly arouses the research of micro-fuze scheme

As a traffic dad, Wechat will be happy if it can flow from Wechat to its own platform!!! One way of micro fuse flow is to open a web site through a mobile browser, then start the micro-message, and jump to the micro-message page. Share the following research programs: Links are short links to microblogs: http://t.cn/RTqAzl8. Put i ...

Posted on Tue, 13 Aug 2019 23:20:55 -0700 by jplock

vue source code parsing: nextTick

Use of 1 nextTick The image of dom in vue is not real-time. When the data changes, vue adds the rendered watcher to the asynchronous queue, asynchronous execution, and unified modification of dom after the execution of synchronous code. Let's see the following code. <template> <div class="box">{{msg}}</div> </template> ...

Posted on Mon, 12 Aug 2019 06:12:40 -0700 by trystan

ios develops cocoa AsyncSocket and protobuf using swift 5 version, including sticky package and unpacking

Recently, I did some instant messaging. In order to cooperate with the use of the server (netty 4 + protobuf3), I played a trick on the ios client. protobuf is less used in ios client, less used with cocoa AsyncSocket and less swift version. In the swift version, there is almost no data for protobu ...

Posted on Thu, 08 Aug 2019 21:51:28 -0700 by rayden

Lomsat gelral CodeForces - 600E (tree heuristic merge)

You are given a rooted tree with root in vertex 1. Each vertex is coloured in some colour. Let's call colour c dominating in the subtree of vertex v if there are no other colours that appear in the subtree of vertex v more times than colour c. So it's possible that two or more colours will be dominating in the subtree of some vertex. The subtre ...

Posted on Tue, 06 Aug 2019 02:14:24 -0700 by Virvo

Look! Idle Fish Open Source Another Flutter Development Tool

Ali Mei Guide: With the rapid development of Flutter framework, more and more businesses begin to use Flutter to reconstruct or build new products. But in our practice, we found that on the one hand, Flutter has high development efficiency, excellent performance and good cross-platform performance, on the other hand, Flutter is also facing ...

Posted on Mon, 05 Aug 2019 20:54:22 -0700 by daydreamer