Article directory 1\. The birth of python 2\. Python is a powerful interpreted language 3\. Types of Python interpreters 4\. There are two major versions of the CPython interpreter 5\. Python environment setup 5.1 Install the Python interpreter (windows) 5.2 Install Pycharm editor (windows) digression 1. The birth of python Python is a high-level programming […]
Tag: birt
Python Birthday Wishes-Beautiful Cake + Blessings
The rendering effect is as follows: If it is useful, please give me a like, thank you b(￣▽￣)d import turtle as t import time import math as m import random as r # Set canvas t.bgcolor(‘white’) # Set background color # Start drawing birthday cake t.speed(2) t.delay(0) def drawx(a, i): angle = m.radians(i) return a […]
From information to knowledge to intelligence – understanding and changing the world: the birth of informatics
Author: Zen and the Art of Computer Programming 1. Introduction Information technology is changing our lives, work, education, scientific research and other fields. At present, people’s demand for information has far exceeded the channels and means of its production. More and more people still search the Internet when they can’t see TV, use mobile phones […]
Rebirth: I am a C++ cake maker (use of list and simulation implementation)
Use and simulation implementation of list Preface 1. Use of list 1.1Construction of list 1.2list iterator 1.3list capacity 1.4 View the beginning and end of the list 1.5 List addition, deletion, checking and modification 2. Simulation implementation of list 2.1Construction of list 2.2list iterator (emphasis) 2.3List capacity 2.4 View the beginning and end of the […]
Rebirth: I am a C++ master (use and simulation of vector)
Vector usage and simulation implementation Preface 1. Use of vector 1.1Construction of vector 1.2vector iterator 1.3vector spatial growth 1.4vector addition, deletion, checking and modification 2. Simulation implementation of vector 2.1Construction of vector 1.2vector iterator 1.3vector spatial growth 1.4 Addition, deletion, and modification of vector Summarize Foreword After we learned about string, it was vector’s turn. […]
30 classic SQL questions (including perfect answers to birthday questions)
Some of the questions are consistent with those written by seniors, and some have been adjusted based on my own understanding. refer to: 30sql_26~30_bilibili_bilibili 30 classic SQL written test questions and their answers analysis_sql written test questions and answers_Ma Yu’s blog-CSDN blog Create data table It’s slightly different from the online version, I changed a […]
Rebirth: I am a C++ cake maker (use and simulation of string)
Usage and simulation implementation of string General introduction 1. Introduction to string 2. Use of string 2.1Constructor of string class object 2.2 Capacity operation of string class objects 2.3 Access and traversal operations of string class objects 2.4 Modification operations of string class objects 2.5 Non-member functions of string class 3. Simulation implementation of string […]
Lecture 7 “The Birth of a Pod”
1. Pod birth process 2. Process decomposition 1. Code warehouse In general, enterprise-level code warehouses use gitlab. GitLab is an open source project for warehouse management systems, using Git as a code management tool, and a web service built on this basis. The installation method is to refer to GitLab’s Wiki page on GitHub. Gitlab […]
Rebirth of C++ Cake Hands (Memory Management and Templates)
Memory management and templates General Citation 1. Memory management 1.1 Definition of new and delete 1.2 new and delete operation custom type 1.3 operator new and operator delete functions 1.4 How new and delete work 1. **Built-in types:** 2. **Custom Type:** 1.5 The difference between new and delete 2. Template 2.1 Generic programming 2.2 The […]
Rebirth of C++ Cake Hands (under Classes and Objects)
Under classes and objects foreword 1. Initialization list 1.1 Definition of initialization list 1.2 The usefulness of the initialization list 1.3explicit keyword Two. Friends 2.1 Definition of friend 3.2 Friend functions 3.3 Friend class 3. static members 3.1 Definition of static members 4. Inner class 5. Anonymous object Summarize Foreword After learning the six default […]