Programming VIP

background With the increasing amount of code and the expansion of the team, when we want to iterate quickly, we often want to get the requirements online as soon as possible, resulting in the code is not very standardized, leaving a pile of technical debt over a long time, and the quality of the code is not guaranteed. So I began to try some ...

1. Basic questions Given a list of numbers, print all odd numbers in the list list1 = [1,2,3,4,5] for x in list1: if x %2 != 0: print(x) Given a list of numbers, print all the numbers in the list that can be divided by 3 but cannot be divided by 2 nums = [23, 45, 78, 90, 8, 21] for x in nums: if x % 3 == 0 and x % 2 != 0: ...

catalogue Eureka service registration and discovery Server Client (service provider) consumer Start sequence Eureka service registration and discovery Eureka is divided into server and client: Generally speaking, the server is the registration center of all services, and the client is each service provider. This paper has taken stand- ...

Python thread, role of with (automatically acquire and release Lock) import threading import time num=0 #Global variables can be read and written by multiple threads to transfer data mutex=threading.Lock() #Create a lock class Mythread(threading.Thread): def run(self): global num with mutex: #The function of with Lock ...

Because there are many topics, many places are relatively simple. I hope the masters will understand.. web711 Scanning the directory found robots Txt, prompt static / secret key txt Access to get a string ctfshow_love_you Then enter the normal page, there is a login and registration, randomly register a user, and after logging in, it is fo ...

Reverse crawler 24 JQuery and Ajax I Closure supplement In the previous section, it was said that the closure function transmits information outward through return. In fact, there is another way to transmit information outward without return. Create a window global variable inside the function, assign the value of the local variable to it, an ...

What did the VIew incident include The event of View actually refers to MotionEvent, that is, a series of actions such as clicking, sliding and lifting the screen. It has the following four event types ACTION_DOWN: the finger just touched the screenACTION_MOVE: move your finger on the screenACTION_UP: the moment when the finger is release ...

brief introduction Flask is a lightweight WSGI Web application framework. It is designed to make getting started quick and easy and can be extended to complex applications. Originally a simple wrapper around Werkzeug and Jinja, it has become one of the most popular Python Web application frameworks. Flash source code Flash User Guide 1, ...

1. Implementation of spring connection database (JDBC) Spring has done a lot of encapsulation for JDBC, eliminating redundant code and greatly reducing the development cost. Let's learn about the operation of JDBC in spring through an example. 1) Create data table structure CREATE TABLE user ( id int(1) NOT NULL auto increment, name v ...

1, Important tags in xml 1.1. where label Query criteria entity class public class QueryTeamVO { private String name; private Date beginTime; private Date endTime; private String location; public QueryTeamVO() { } public QueryTeamVO(String name, Date beginTime, Date endTime, String location) { this.n ...