Tag:Definition

  • Re emphasize the definition of completion (DoD)

    Time:2020-10-30

    I wrote an article about the unclear completion of the agile pitfall series. In this article, I described the difference between the complete definition and the acceptance criteria. However, in the recent course, many partners still asked about the definition of completion. Today, why should we set the definition of completion (i.e., its importance) Done?! […]

  • Sagit.Framework For IOS automatic layout tutorial: 2. Main interface: relative parent form uiview layout.

    Time:2020-10-30

    preface: The interface of IOS is divided into status bar, navigation bar, main interface and bottom status bar. This article describes the relative layout of the main interface, the operation of the other three, in other articles independently. 1. Basic syntax of relative layout: Basic method definition: //! the layout xylocation of the parent view […]

  • C / C + + Programming Notes: C language greedy Snake source code console (1), will move the kind of Oh!

    Time:2020-10-29

    A few days ago, a classmate added my QQ to chat privately. I said that their teacher arranged a greedy snake. He didn’t know how to write it, so he came to me to solve it. I gave him a brief explanation of the train of thought and some difficulties. After that, he was able […]

  • Preliminary study of Ajax 02

    Time:2020-10-29

    Continue the Ajax learning above and say a few points debugging Last time, I talked about the basic four steps of writing Ajax, so if you can write, you must be able to debug There are three debugging methods:1)debuggerThen write debugger in the first line of JS function, then open the browser F12 developer mode […]

  • After class questions of Chapter 3 of essential C + +

    Time:2020-10-29

    Exercise 3.1 #include<iostream> #include<fstream> #include<iterator> #include<vector> #include<set> #include<map> int main() { std::ifstream in_file(“news.txt”); std::ofstream out_file(“news_word_cnt.txt”); if (!in_file || !out_file) { std::cout << “can not read/write file” << std::endl; } //Create a new vector and use the generic algorithm copy to fill in the vector std::vector<std::string> text; std::string useless_words[3] = {“a”, “and”, “is”}; std::set<std::string> useless_set(useless_words, useless_words […]

  • Nginx of tools

    Time:2020-10-28

    Install nginx yum install -y nginx nginx -t -c /etc/nginx/nginx.conf nginx -s reload Configuration commentary Basics #Running users user www-data; #Start a process, usually set to equal the number of CPUs worker_processes 1; #Global error log and PID file error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; #Working mode and maximum number of connections events { Use epoll; ා […]

  • Crmsh usage in high availability cluster corosync + pacemaker (2)

    Time:2020-10-28

    In the last blog, we talked about the installation of crmsh and the usage of related commands for configuring a resource to the corosync + pacemaker high availability cluster. Please refer to the https://www.cnblogs.com/qiuhom-1874/p/13592484.html Today, we will continue to talk about the usage of other common commands of crmsh; Common commands of node Show: view […]

  • Sagit.Framework For IOS auto layout tutorial: 6. Navigation bar

    Time:2020-10-27

    preface The interface of IOS is divided into status bar, navigation bar, main interface and bottom status bar. This article describes the navigation bar related operations. 1. Height of navigation bar The frame is auto layout and adaptive, so a macro definition is provided to represent the height of the navigation bar:   When the […]

  • 2、 Learning foundation smart contract

    Time:2020-10-27

    Lesson 1 Introduction 1. What is a smart contract? Smart contract is not a common contract in reality, but a piece of program code that exists on the blockchain and can be triggered to execute. These codes implement certain predetermined rules and are “autonomous agents” existing in the execution environment of blockchain. If the smart […]

  • build.gradle Principle analysis of Maven central implementation of repositories

    Time:2020-10-26

    If the build.gradle What happens if you change Maven central to Maven central 2? Error message: could not find method mavencentral2() for arguments [] on repository container of type org.gradle.api . internal.artifacts.dsl .DefaultRepositoryHandler. For this defaultrepository handler, search the gradle directory and find the corresponding java file: DEFAULT_ MAVEN_ CENTRAL_ REPO_ The name constant is […]

  • Provider component security in Android security development

    Time:2020-10-26

    Author: Yiqiao, Daihu @ aliju security 1 Introduction to content provider components Content provider component is one of the important components of Android applications. It manages data access and is mainly used for data sharing among different applications. The data source of content provider includes not only SQLite database, but also file data. By separating […]

  • Talking about custom annotation and usage scene in Java

    Time:2020-10-26

    True cultivation does not pursue any specific purpose, just like all the efforts made for self-improvement, it is meaningful in itself. The general usage scenario of Java custom annotation is: Custom annotation + interceptor or or AOP. The framework is designed by using custom annotation to make the code look very elegant. This article will […]