Python 100 questions from "None" to "yes", daily supervision and clock in learning phase I: 31-40 questions, thinking sharing + mental journey
๐ข๐ข๐ข๐ฃ๐ฃ๐ฃ ๐ป๐ป๐ป Hello, everyone. My name is Dream. I'm an interesting Python blogger. I have a small white one. Please take care of it ๐๐๐ ๐
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CSDN is a new star creator in Python field. I'm a sophomore. Welcome to cooperate with me ๐ Introduction note: this paradise is never short of genius, and hard work is your final admissio ...
Posted by rhosk on Sun, 05 Dec 2021 03:50:36 -0800
Golang sort package sorting (full set of details)
1, Integer
First of all, use the simplest example provided inside to sort the shaping
package main
import (
"fmt"
"sort"
)
func main() {
a := sort.IntSlice{2, 8, 3, 7, 9, 4, 1, 6}
fmt.Println("Before sorting", a)
sort.Sort(a)
fmt.Println("After sorting", a)
}
You'd better wonder what sort.IntSlice is. Click to view the source ...
Posted by Johan Beijar on Sun, 05 Dec 2021 03:28:54 -0800
C#_ Face object
What is facing the object
In the c# learning process, many people will find that facing objects is very abstract, so I will give some examples for a better understanding. The objects in the face of objects are generally concrete things. Facing the object is the result. For example, when I open the door, the process of opening is facing the ...
Posted by daniel a on Sun, 05 Dec 2021 02:40:22 -0800
Pyspark machine learning library ml learning notes: Breast Cancer Wisconsin (Diagnostic) Data Set
Data
Attribute information:
1) ID number
2) Diagnosis (M = malignant, B = benign)
Calculate 10 real value characteristics of each nucleus:
a) Radius (average distance from center to perimeter)
b) Texture (standard deviation of gray value)
c) Perimeter
d) Area
e) Smoothness (local variation of radius length)
f) Compactness (perimeter ^ ...
Posted by ajlisowski on Sun, 05 Dec 2021 02:35:38 -0800
C + + enhancements to C
Header file name
In the new style of C + +, the expanded name of header file is cancelled
object-oriented
C language is a process oriented programming language.
The core of process oriented programming is: function decomposition, top-down, layer by layer decomposition and layer by layer refinement.
Program = data structure + algorith ...
Posted by fleabay on Sun, 05 Dec 2021 02:33:23 -0800
Android TextView limits the maximum number of lines and displays... Full text at the end
catalogue
1, Scene
2, Implementation of scheme
1. "General" scheme
2. "Optimized" processing scheme
3. Final plan
3, Complete code
1, Scene
We know that there are usually a lot of content on the list page, and each content may be very long. If each content is displayed, the user experience is very bad. Therefore, ou ...
Posted by Seol on Sun, 05 Dec 2021 02:33:40 -0800
Chapter 7 - Bean life cycle and extension points of Spring
The core of Spring is the IoC container. It is very important to understand the life cycle of beans, which is very helpful for the application and extension of Spring in the project.
1, Life cycle
The life cycle of a Bean mainly consists of four stages: instantiation, attribute filling, initialization and destruction, plus class loading a ...
Posted by dourvas on Sun, 05 Dec 2021 02:24:37 -0800
The concept and terminology of tree
concept Tree is an abstract data type or a data structure that implements this abstract data type, which is used to simulate a data set with the nature of tree structure. It is a set with hierarchical relationship composed of n (n > = 1) finite nodes. It is called "tree" because it looks like an upside down tree, that is, it has ro ...
Posted by Geof on Sun, 05 Dec 2021 02:12:21 -0800
Idea of time slice rotation algorithm (java)
1, Request
This paper expounds the process from submission to execution of multiple jobs, and explains the concept, differences and relationship of three-level scheduling;The ideas, characteristics, advantages and disadvantages of FCFS, SJF/SPF, HRRN, RR and multi-level feedback queue scheduling algorithms are described;The algorithm realize ...
Posted by jackson4me90 on Sun, 05 Dec 2021 01:56:20 -0800
Assembly (receive several N-digit decimal values (0 ~ 65535) from the keyboard and display their sum in binary, decimal and hexadecimal number systems.)
subject
Receive several N-digit decimal values (0 ~ 65535) from the keyboard and display their sum in binary, decimal and hexadecimal number systems. requirement: (1) A subroutine is used to realize the input of an N-digit decimal value in the loop structure of the main program The subroutine is called. (2) When the user enters directly ...
Posted by MiniMonty on Sun, 05 Dec 2021 01:50:26 -0800