Define a class and create a class instance
Binding instance properties for objects
Creating and using instance methods
Static class method
General definition method: lack of concealmen ...
Added by CompuWorld on Tue, 23 Jun 2020 08:48:35 +0300
The examples are from https://www.youtube.com/watch?v=5B66qer8cZo Partially reproduced in link: https://www.jianshu.com/p/f372d0e3de80
Because the life cycle processing of components is very time-consuming at the framework level, it is recommended to use functional components ...
Added by coditoergosum on Mon, 22 Jun 2020 10:53:47 +0300
As the core of Vue, responsive principle uses data hijacking to realize data-driven view. In the interview is often examined knowledge points, but also interview bonus items.
This paper will analyze the workflow of response principle step by step, mainly in the following structure:
Analyze key members and understand them to help unders ...
Added by chanchelkumar on Mon, 22 Jun 2020 06:07:29 +0300
Details of Spring Boot configuration file
Spring Boot provides two commonly used configuration files, properties file and yml file. Their role is to modify the default value of Spring Boot auto configuration. Compared with the properties file, the yml file is younger and has many pits. yml determines the hierarchical relationship through space ...
Added by The_Black_Knight on Sun, 21 Jun 2020 08:20:11 +0300
C + + learning diary
Double colon scope operator
Using declaration and using compilation instructions
The enhancement of c + + to c
Memory allocation of const
The difference between const and define
Up down type conversion
Type conver ...
Added by ghazianibros on Sun, 21 Jun 2020 06:30:36 +0300
Small ball into blue hole (operator overload)
The game of small ball entering the blue hole refers to setting red hole, blue hole and some green triangle blocks in the square array of n*m (n,m value is between 2 and 10), adjusting the green triangle block, making the small ball sta ...
Added by felixtgomezjr on Sat, 20 Jun 2020 10:42:01 +0300
Record a grid layout practical application sharing meeting
Recorded the technology sharing meeting in the group. For students with the same needs, please refer to it
Sharing the whole process, about 45 minutes
The final drawing is as follows: ↓
1, Can it be used in engineering? (compatibility)
The old growth talk, but also a decisive one, ...
Added by kevingarnett2000 on Thu, 18 Jun 2020 13:06:09 +0300
Three characteristics of object-oriented
1. The concept of encapsulation is to make the program * * highly cohesive and low coupling**
High cohesion: it means that the internal data operation details of the class are completed by itself, and external interference is not allowed
Low co ...
Added by wildmanmatt on Tue, 16 Jun 2020 11:37:44 +0300
Reference video: Start Python data mining in 4 days
1 Numpy advantage
1.1 introduction to numpy
Numpy (Numerical Python) is an open-source Python science computing library, which is used to quickly process arrays of any dimension. (numerical → \ to → numerical)
Numpy supports common arr ...
Added by AnarKy on Tue, 16 Jun 2020 09:31:42 +0300
Native submission method
That is, add the action attribute to the form tag
Verify to add the required attribute (h5) to the input tag directly. This attribute must be used with the button of type="submit". If the button type is not submit, then this required attribute has no ...
Added by DoctorWho on Tue, 16 Jun 2020 09:08:51 +0300