Go deep into the small car rental system framework of. NET and C,
Before writing this small system, we should guess what knowledge points might be used.
For this small system, we mainly use the following knowledge:
Encapsulation, set (ArrayList and
Differences between OOD, OOP, and AOP and between oodoopaop
OOD:The Object-Oriented Design (OOD) method is an intermediate Transitional Link in the OO method. Its main function is to further standardize the OOA analysis results so that they can be
C # Delete the program itself [summary ],
Source:Http://www.cnblogs.com/Interkey/
I accidentally saw a program that can be deleted, so I learned how to implement it. Then, sort the information as follows:
Ideas:
In. NET programs, because the running
C # Some DataTable operations are frequently performed,Operations on C # DataTable
Frequent operations on DATATABLE can achieve the same effect for some operations that do not need to be repeated through SQL.
Method 1:
It is also widely
C # command modeCommand mode:
In the scope of object-oriented programming, Command Pattern is a design Pattern that attempts to represent actual actions with objects.Mode structure:
Command:
Define the command interface and declare the execution
XSD file generation C # VO object class,
Recently, the company wants to build a project that needs to be connected with other existing projects. since they do not know their database, only XSD files are available. Therefore, when modifying the
C # Interface Usage,
1. Interface: an interface, like an abstract class, also represents a rule. Once this rule is used, relevant methods must be implemented. For the C # language, because it can only inherit from one parent class, it is better to
Mvvmlight Practice 3 for UWP development: simple MVVM instance Development (graphic details and code payment ),
Before comparing various MVVM frameworks, I think it is better to make a simple MVVM implementation case by myself. In this way, we can
C # pseudo-color processing,
Source: http://zxlovenet.cnblogs.com
Pseudo-Color Processing refers to converting a gray image into a color image. Because the human eye's color resolution capability is much higher than the gray-scale image resolution
[C # advanced series] 06 types and member bases,
These things are the foundation of the Foundation. Basically, this is what we will talk about in this book. But a lot of things are everywhere, so I just wrote down the following.
Visibility and
[C # advanced series] 07 constants and fields,
Constant
Constants are always regarded as static members.
Constants can be not limited to primitive types, but must be initialized to null. (I think this is the same as what I do not know. I have
Two design models (1) ==>> "simple factory", two design models Factory
Let's take a calculator as an example to introduce the application of the simple factory:
Effect:
Here we use inheritance, virtual methods, simple factory design patterns to
Nine notes for abstract methods and nine Abstract METHODS
1. abstract class keywords abstract
2. abstract classes cannot be instantiated.
3. the abstract method does not have a method body.
4. the shortcut key Ctrl +. + Enter for subclass to
Design Patterns (simple factory model), designpatterns
The article is very long and wonderful. If you are a beginner, please watch it patiently. (Please detour !)
Simple factory mode:
1. Create Mode
2. Overview of simple factory models
3. Structure
C # application of regular expression in replace !,
Over the years, many programming languages and tools have supported regular expressions ,. NET base class library contains a namespace and a series of classes that can fully utilize the power of
Use Log4net, log4net
1. add a reference to log4net (first download log4net. dll file) 2 2. instantiate the Log object 3 public log4net in the base class. ILog Log 4 {5 get 6 {7 return log4net. logManager. getLogger ("Sfc. client. api "); 8} 9} 10
Magcodes. WeiChat -- customize CustomCreationConverter to serialize custom menus. magicodes. weichat
The custom menu interface is a troublesome interface. Developers often see the following section of the returned JSON, And the whole person will
C # _ IO operator _ queries the space occupied by each subfolders in a specified folder,1. Preface
Disk memory is used up too much. If you want to check the memory occupied by those folders, you can find useless files to delete them.2. Code
Static
Image loading and releasing
If the image is loaded again, an error is reported. This method can avoid this problem.
Method 1:
1. Use bitmapPIC to obtain the bitmap object of the image from the file.2. Then Clone a bitmap object Bitmap bmpCrop =
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