VI has three basic working modes: command line mode, text input mode, and line end mode. Shows their relationships:
Input A, I, and O in command mode to enter the text input mode)Press ESC in the input mode to enter the command
1. Three operating modes of 386 processorsGenerally, 80x86 (80386 and later generations of CPUs) can run in three modes: real mode, protection mode, and virtual 8086 mode. Real mode is the operating environment of the ancient MS-DOS. Win95 and later operating systems only use two modes: protection
In-depth analysis of the use of builder mode in Python Design Mode Programming, python Design Mode
Builder Mode: Separates the construction of a complex object from its representation, so that different representations can be created during the same construction process.
Basic IdeasThe construction of a product is comp
PHP implements detailed explanation of the Abstract Factory mode in the design mode, and detailed description of the design mode. PHP implements a detailed explanation of the Abstract Factory mode in the design mode, while AbstactFactory is a common software design
PHP Design Mode Series Specification specification mode, specification mode
1. Pattern definition
Specification mode is an extension of the combined pattern, which is used more in framework development (project-level development is seldom used), and a simple introduction is made here.The specification
The example explains how Ruby uses the decorator mode in the design mode, and the ruby design mode.
OverviewIf you are engaged in object-oriented development, adding behavior to a class or object and using inheritance mechanisms, this is a basic feature of all object-oriented languages. If an existing class lacks some methods, or you need to add more functions (C
Application instance analysis of appearance mode in Ruby Design Mode Programming, and ruby Design Mode
What is the appearance mode?
The appearance mode provides unified interfaces for a group of different interfaces in the subsystem. The upper-layer interfaces are defined. b
Recently there are students in the use of Phpwamp, asked me the role of Super body mode.Students asked: "Teacher, Phpwamp inside the Super body mode is what meaning, what is the use?" Answer: The 、、、 is when I released the beta version, the mode switch inside the single dog mode. Student: Single dog? I mean, I didn't use the beta, did I 、、、、Before the release of
PHP design mode delegate mode, PHP design mode delegate
The delegation mode is a basic technique in software design pattern. In delegate mode, there are two objects involved in processing the same request, and the object that accepts the request delegates the request to ano
The command mode is also a common mode in development. It is not too difficult and relatively simple. Let's write the command mode in detail below.
Advantages
1. Reduce the Coupling Degree of the system.
2. New commands can be easily added to the system.
3. You can easily design a combined command.Disadvantages
Using the command
1. Overview
In software systems, some types of software systems have two or more dimensional changes due to their own logic. How can we deal with such "multi-dimensional changes "? How can we use object-oriented technology to make this type easily change in multiple directions without introducing additional complexity?
Example 1: Suppose we need at least four shape classes to draw a rectangle, a circle, an ellipse, or a square, but if the drawing needs to have different colors, such as red, g
Recently there are students in the use of Phpwamp, asked me the role of Super body mode.Students asked: "Teacher, Phpwamp inside the Super body mode is what meaning, what is the use?" Answer: The 、、、 is when I released the beta version, the mode switch inside the single dog mode. Student: Single dog? I mean, I didn't use the beta, did I 、、、、Before the release of
PHP implements detailed explanation of the abstract factory mode in the design mode, and detailed description of the design mode
Abstract Factory is a common software design pattern. This mode provides a unified creation interface for a product family. When you need a series of product families, you can create a specif
Simple program examples of interpreter mode in Python Design Mode Programming, python Design Mode
Pattern features: Given a language, define a representation of its syntax and define an interpreter which uses this representation to interpret sentences in the language.
Let's take a look at the following program structure:
class Context: def __init__(self): sel
The example explains the simple factory mode in PHP design mode programming, and the example explains the design mode.
The simple Factory mode is the class creation mode, also called the Static Factory Method mode. The simple fact
The ER series routers are available in three modes: NAT mode, route mode, and full mode. The differences and applications of the three modes are as follows:NATModeIn NAT mode, when the DMZ port is in Wan mode or LAN mode, the
Responsibility Chain Mode for Java mode development, java mode development
Responsibility Chain Mode for Java mode development
Starting from drumming and spreading flowersDrumming is a lively and intense drinking game. At the banquet, guests are arranged in sequence to drum
1. Simple Factory modeThe Simple Factory mode is a staticfactory mode, also called the Static factory method mode, but not one of the 23 gof design patterns. A simple factory model is a factory object that determines which product class instances are created. Simple Factory mode is the simplest and most practical
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