1. SOURCE PackageOpen source, compile and install, even can be modified, easy to uninstall, long installation time, too many steps, error is difficult to solve2. RPM Package (binary package)Source code not seen, installation fast, through the
The concept of composing a factionComputing the interaction between components and components1. Components (program modules, stand-alone programs), connectors (procedure calls, pipelines, relationships between message components), constraints
Typical users 1
Name
Lao Chen
Sex, age
Male, 45 years old
Occupational
Teachers
Income
3500\ Month
Knowledge levels and Competencies
Bachelor degree, able
The "Next day" program adopts decision table test method for test case design, and records the test process and results, processes the resulting software defect and makes a brief analysis, and adds the document to the experimental report of
Through the one months of reading, I finally read the "Software requirements mode" This book, the first two reading notes have introduced the book of several models, before the basic requirements, information demand mode, data entity demand mode,
Software life cycle is an important concept in software project, and the whole life cycle is divided into several stages, which is an important step to realize the project of software production. The life cycle of software is generally divided into
6, the working process of the copier is generally as follows: When the copy command is not in idle state, once received a copy of the command to enter the state of the copy, complete a copy of the operation of the specified work and then back to
1. Why are feasibility studies in the early stages of software development? The feasibility of the target system should be studied from those aspects.2. For the convenience of depositors, a bank intends to develop a computer savings system. The
Plan:A test plan should include: Product fundamentals, test requirements descriptions, test strategies and records, test resource configurations, schedule tables, issue tracking reports, review and results of test plans, and more.Generic Test Plan
People who use metaphors to illuminate their software development process are better at programming than those who don't use metaphors, and can write better code faster.Some experts say that software development is a science, is art, is a process,
Enterprise's invoicing management, for enterprise management, is a very important link, which is characterized by a large amount of information, updated quickly, the economic benefits of enterprises play the most direct role. At the same time, the
AgileQuick and sensitive reaction.In the field of agile software development, more attention is focused on people as the core, iterative, progressive development method. Compared to traditional development methods, this method can be developed
The professional skills in the field of computer science is a prerequisite for testing engineers. While anyone without an IT background can work on a test, a test engineer who wants to develop more space or have a lasting competitive edge is
As we improve the demand process, it is important to note that putting the theoretical approach into practice is at the core of improving the software process, and our two main goals in improving the software development process are to address
Recently the teacher talked about the project's prospects and scope, as well as the stakeholder analysis, just read this chapter.Before the start of a project, the first thing we need to consider is why we should start the project, that is, what is
Software Contract-based Design (DbC --- Design by Contract)I. Basic Concept of DbC the idea of DbC is derived from the behaviors (obligations and interests) of businessmen and users in commercial activities. Both parties must abide by a contract to
Principle of inaccuracy in software testing1. inaccurate determination principle in February 1927, German physicist hienburg first proposed uncertainty in quantum mechanics. In a quantum mechanical system, the position of a particle and its momentum
Data center switch: software becomes more and more important
No one will think that port density is not important. When talking about data center switches, hardware is still important, but software running on it is also becoming more important.
The
Five major issues of software-defined data centers
SDN has become the center of the "Software Defined Data Center (SDDC)" category, and it is mainly built on three important foundations: programmable, Software Defined server, network and
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