The role of the Creator mode can be summarized as follows:
1. encapsulate the creation logic, which is not just as simple as a new object.
2. encapsulate the creation logic changes. The customer code should not be modified or modified as little as possible.
The Creator mode is used to improve the maintainability and scalability of the system and improve the ability to respond to changes in requirements!
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4. creator Mode
1. Motorcycle Assembly System
These examples are suitable for beginners and easy to understand,After reading it, I got an impression on what it looks like.
Motorcycle = frame + wheel + tire + engine.
First, design motorcycles and various parts:
Motorcycle: public interface motorcycle {void build ();} public class motorcycle1 implements motorcycle {void build () {sysout. out. println ("start assembling a motorcycle... ") ;}} motorcycle
permanent:[Python]View Plaincopy
[[email protected]local] #vi/etc/profile// modify environment variable NBSP;NBSP;
Append the following two lines of code to the end of the file:[Python]View Plaincopy
Path=/usr/local/cmake/bin: $PATH
Export PATH
Then perform the following actions:[Python]View Plaincopy
[[email protected]local] #source/etc/profile//make the modification effective NBSP;NBSP;
[[email protected] local] # echo $PATH//view PATH value
Inspection
QT4.8 software used to be a huge effort to build, not willing to throw away. Reinstall Qt4.8 Version
1. Install Qt-creator
Install Qt-creator-win-opensource-2.4.0.exe version, not recommended to use the latest version 4.0
2. Install QTSDK
# Install Qt-creator-opensource-windows-x86-4.0.0.exe version to use PCL library
Install Qt-opensource-windows-x86-vs2010-4.8
Builder pattern (English: Builder pattern) is a design pattern, AKA: Build Mode, is an object building pattern. It can abstract the construction process of complex objects (abstract category) so that different implementations of this abstract process can construct objects of different manifestations (attributes). ----WIKIPEDIAPersonal Understanding:The builder mode can set different properties or behaviors to create objects that are not the same. For example, the production of automobiles, if th
Through the use of Qt Creator, we can quickly design the interface with designer (interface designer).This example UI content is as follows (simply adding a button):The code directory structure of the project is as follows:Eventually a UI file is generated in the directory where the project is located:This UI file is actually an XML file:when we compile QT program code, QT Creator uses the UIC tool to conve
More use of shortcut keys can significantly improve productivity, minimize the keyboard, the mouse to switch between the wasted time. I am here to list the Qt Creator shortcut keys that I think are important to master. See how many you know?.
1. CTRL (Press and hold) + TAB to quickly toggle open files
.
2. Quick Add method Entity (. cpp) Declaration,
Move the cursor to the method declaration in the H file. Press Alt (pres
In Windows, debugging problems may occur when QT creator is used for development. How can I perform one-step debugging in QT creator?The development process in vs is a little different. In QT creatordang, msvcis compiled and used, but cdb.exe is used.Because cdb.exe is part of debugging tools for Windows, you need to download microsoft's debugging tool.
: Http://msdn.microsoft.com/en-us/windows/hardware/gg4
There seem to be many posts that output Hello World on the network, but the dark Console window is used in QT creator to createProgramIt should be rare. After all, QT is good at Gui programming.
Today, we will use QT Creator as an IDE line to try the dark console programming method, this method is not much different from the IDE console method such as vs2008/2010 (on the interface ).
1. Di
Win7 + Creator 2.0.0 + protobufjs 6.8.81. Download and install ProtobufjsInstall -G protobufjsYou can see that PROTOBUFJS is installed in C:\Users\Administrator\AppData\Roaming\npm\node_modules\protobufjs2. Locate the Protobuf.js file in Protobufjs\dist and drag and drop it into the creator as a plugin (note that it must be selected as a plug-in, and four options must be checked, otherwise it will be an err
Yesterday the Linux system collapsed and today the Linux system (Ubuntu16.04) was installed. After the QT creator was installed, a simple C + + project was created to test whether the installation was correct and the project defaults to output "Hello world." ", run through, normal output. But there was a warning in debug (though it could also output "Hello world". "): Debugging Starts " warning:GDB:Failed to set controlling Terminal: ..... Search the
This article uses examples to show us the Creator mode in the php design mode and the scenario in which the Creator mode is applied. We recommend it to you here.
This article uses examples to show us the Creator mode in the php design mode and the scenario in which the Creator mode is applied. We recommend it to you he
I have tried it many times in ubuntu10.10 and Red Hat Enterprise 6, and there are compilation errors! The final change is to miniora 9 in the mini2440 user manual, which indicates that the establishment of the development environment is related to the system. Some online users say that the GCC versions of the two systems are too new, but I tried the GCC compiler of the earlier version, the problem persists! Refer to the arm development environment for building QT
Simple analysis of PHP creator mode and analysis of PHP creation
Creator mode:
In the creator mode, the client is no longer responsible for the creation and assembly of objects, but rather the responsibility of creating the object to its specific creator class, the Assembly of responsibility to the Assembly class, the
The article original in Qter Open source community (www.qter.org), author Yafeilinux, reprint please indicate the source!I. Introduction to QT and QT CreatorQt is a cross-platform application and UI development framework. With Qt you only need to develop your application at once, and you can deploy these applications across different desktop and embedded operating systems without having to rewrite the source code.Qt Creator is a new cross-platform Qti
Collation
Google has released another new version of Google. This new Google stuff may cause us to lose our job. What are our so-called web developers? Isn't it page creator?
Haha, joke. If the so-called web developer === page creator is true, then the so-called programmers are really sad. Of course, I am not a tool. Those who always complain about being snatched by some tool may not be professional.
Let
Cocos creator often use buttons in the development of a game, especially when a large number of buttons are used, the use of arrays to manage these buttons becomes more versatile. I walked around the official example, as if I hadn't found the small content (or there was, but I didn't find it), so I added the following.Typical problem previewsuch as the display of the interface (the picture is a small example of me, not yet mature, and so later feel ca
-click Properties | Details to view both version numbers, delete/rename older versions, or reset the path variable.Unexpectedly, the root of the solution is the third step, after removing the old version of Cvtres.exe, you do not need to set the configuration every time.VS2010 's embedded manifest file may make everyone very mad, in fact, every time I myself is manual 1th, 2 steps, but the recent QT Creatror can not be used, hintQt Creator error:lnk11
The first is a research, exchange and sharing work place created by the creators for their interests and partners. After entering the country and in the Prime minister's call for "public entrepreneurship, innovation", we vigorously develop market-oriented, professional, integrated and networked "public space".The business model and operation mode of the creator space itself is also worth exploring and groping.such as: Everyone Angel
The ZTE Creator competition is the company's innovative proposal project selection activities, will provide more than 60 teams of participants with comprehensive training. First of all, please invest in the big coffee Mr. Henlin, for everyone to explain his "ten steps of Entrepreneurship."Training time: July 13, 14:30-16:30, main venue Shenzhen research and development building 2-4 meeting RoomMr Henlin points out that 12,000 new companies are added e
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