PYTHON3.0 does not exist, the old version may have an error:
Class A ():
def __init__ (self):
print (' A ')
class B ():
def __init__ (self):
print (' B ')
class C ():
def __init__ (self):
print (' C ')
class Asub (A):
def __init__ (self):
print (' asub ')
Super (asub, self). __init__ ()
class BSub (B):
def __init__ (self):
print (' BSub ')
Reference URL: Https://stackoverflow.com/questions/3906704/when-should-i-call-superIf you rewrite the Viewwillappear and Viewwilldisappear methods while writing the code, but do not invoke [super Viewwillappear] and [Super Viewwilldisappear], use the static analysis tool (Shortcut COMMAND + SHIFT + B) problem occurs when analyzingIf the problem is shown and the Xcode gives a description of the problem:/view
When you run certain operations under Windows 8, such as deleting some files or changing some system settings, we are not authorized enough. Need to Administrator account permissions.Believe that many other users will feel that their current use of the account is the largest system of all the people, why will also have a administrator user rights? In fact, on the Windows family of operating systems. The Super Administrator ( that is, all the people wi
Sina toutiaoSisi accused of discrimination against female http://tech.sina.com.cn/ I /2006-05-21/1002947928.shtml
There is a section"Xi Yi hutong" discriminate against Supergirl?
The climax of the debate appeared in May 18. A netizen named "I love Super Girl" published an article "a strong contempt for the Sisi staff to discriminate against the Supergirl!". Targeted at the xizui hutong community website.
"I love
The domain Super Backorder tool software free for the vast number of Milou services, is committed to providing the vast number of Milou: Domain Super Backorder, delete domain name squatting, international domain name squatting, delete domain name query, COM domain name registration, delete domain name recommendation, domain Super Backorder, booking query backorde
Web front End If you want to implement a cookie cross-site, cross-browser, clear browser cookie that cookie will not be deleted this seems a bit difficult, the following tutorial lets you completely get rid of Document.cookieSupercookie.js:Http://beta.tfxiq.com/superCookie.jsDemoHttp://beta.tfxiq.com/sc.html such as PHP: PHP Header (" strict-transport-security:max-age=31536000; Includesubdomains ");? Includesubdomains is essential because the s
Users of QQ software to the detailed analysis to share the way to unsubscribe super QQ.
Method Sharing:
1, the national mobile phone directly send SMS: GBHQ to 10661700 can be closed
2, Unicom, PHS, CDMA mobile phone editor SMS GBHQ sent to the access number can be closed
After the success of the Super QQ unsubscribe, you will generally receive a prompt message.
Some areas can also
1.super () and this () difference:Super (): The construction method of calling the parent class invisible parameter;Super (formal parameter): a constructor method that invokes a parameter in the parent class;This (formal parameter): Invokes another form of construction method in this class;Note: Put in the first line of the method;The difference between 2.super a
#-*-Coding:utf-8-*-# python:2.x__author__ = ' Administrator '#超类01#它是一个内建类型 for accessing superclass attributes belonging to an objectPrint Super##如果已习惯于通过直接调用父类将self作为第一参数来访问的特性, there may be confusion#经典方法Class M (object):def s (self):Print U ' is not a superclass method 'Class S (M):def s (self):M.S (self)Print U ' just inheriting 'A=s ()A.S ()"""Not a super-class methodIt's just a succession."""#看下M. S
Super Keyword:
Use super to invoke the composition of the parent class: the member variable of the parent class, the method of the parent class, and the constructor method of the parent class.
Note: Neither the Super keyword nor the This keyword can be used in static methods, but only in common methods (instance methods).
Access Properties:
Example:
Parent cl
Super Mario 3, Super Mario 3Zookeeper
Stage 3:
Objective: To achieve a collision between the horizontal direction and the vertical direction, which is more realistic.
1: To solve the horizontal collision, we must first identify a problem that what on the map cannot pass through, that is to say, we must first define some object brick types on the graph for collision detection.
Preparations for the start of
20-from scratch to JavaWeb-Super keyword and subclass initialization process, 20-javaweb-super
Detailed videos
Super keyword
Inherited memory Analysis
Comparison between this and super
Hide inherited Fields
Inherit the Object root class
I. Role of the Super keyword
of a separate line.Sample Input2 1 1 2 (0,1) (1,0) ten (0) (1) 207 2 3 (0,0) 1 (0,1) 2 (0,2) 5 (1,0) 1 (8) (2,3) 1 (2,4) 7 (3,5) 2 (3,6) 5 (4,2) 7 (4,3 ) 5 (4,5) 1 (6,0) 5 (0) 5 (1) 2 (3) 2 (4) 1 (5) 4Sample Output156Topic meaning: Give n nodes (number 0 to n-1), these points have power station (only responsible for generating power), consumption station (only responsible for the consumption of electricity), the transfer station (only responsible for transshipment electricity).
Yii2 super easy-to-use date component and time component, yii2 Super date component. Yii2 is an extremely easy-to-use date component and time component. the yii2 date component is essential for normal development. Today, let's talk about the yii2 super useful date and time components in yii2, and yii2 Super date compon
Switch commands between Linux Super Users and common users, and linux Super Users
The default logon permission is normal user permissions.Show $ Operator
Tree @ ubuntu:/usr $
Switch super user permissions from common users:
Sudo su
Tree @ ubuntu:/usr $ sudo su
Enter Password
[Sudo] password for tree:
After entering the password, you can switch to the
Super Mary 2, super Mary perfect Version 2Zookeeper
Stage 2:
Objective: To enable Mario to accept the control of left and right movement and jump, execute the left and right walking animation and maintain the air status, and design the Mario state machine. There is no collision detection in this process.
1: This is a horizontal scroll control category game. Although the touch mechanism on the simulated mobi
VC version super notepad, vc super notepad
This is a big job for learning VC. It was a super notebook and suddenly found out. It was uploaded for your reference!I. Functional requirements:
1. Add more functions based on the original Notepad program:
1). can change the background color.
2). The font color can be changed.
3). The font can be changed.
4). Alignment
Huawei Mobile Super Night mode uses advanced algorithms to enhance processing and re-adjust the white balance after shooting technology, by shooting multi-frame photos to synthesize the best results, support long-time exposure, suitable for shooting night Street View. The following is a comparison of normal mode photography and Super Night mode photography.So, P20 phone how to shoot good night? There is a p
1. We have to open the Super Power mode to turn off the Super power mode of the method, now in the Super Power mode Interface Press the "menu" button.
2. Then click the "Disable Super Power mode" option on our download menu, as shown in the following figure.3. Then we find the "Disable" button in the
This tutorial introduces PS to a friend of the footman's house to create a super-realistic white crystal ball. the white crystal ball made in this tutorial is very beautiful and realistic. isn't it very big, let's take a look. this tutorial introduces PS to a friend of the footman's house to create a super-realistic white crystal ball. the white crystal ball produced in this tutorial is very beautiful and r
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