Programmer Think

Author: Han Xinzi@ShowMeAITutorial address: http://www.showmeai.tech/tutorials/56Article address: http://www.showmeai.tech/article-detail/77Notice: All Rights Reserved. Please contact the platform and the author for reprint and indicate the source1.Python listSequence is the most basic and common data structure in Python. Each element in the se ...

0. Introduction Service Service doesn't have to be used for a long time. Isn't it a long servant? We can use JobIntentService -- temporary servant. It's good to live and die with your App! However, it's easy to start and there's no clue to shut down. Because the service runs in the background, it has nothing to do with the UI. If we use MVVM, ...

The so-called people gather in groups and things divide in groups. People like to be with people who have the same personality and hobbies. Commonly known as: get along! Pretty boy, I like you very much~ A and B were childhood sweethearts. A met C through B and found that their interests and hobbies were surprisingly consistent. The three g ...

day15 [single instance mode, multi instance mode, enumeration, factory mode] Today's goal Singleton mode ----- > must master Hungry Han style single caseLazy single column Multi case mode ----- > must masterEnumeration ----- > must master Define enumerationUse enumeration Factory mode ----- > must masterlombok plugin Chapte ...

previously on Before station b, the web page data is crawled, which can be crawled by python requests and Selenium. However, the web version of live consumption data of station b cannot be displayed and can only be seen on the mobile phone, so this article is available. I read the article before that fiddler can also crawl, but I tried unsuc ...

Singleton mode Introduction to single example design mode The so-called class singleton design pattern is to take certain methods to ensure that there can only be one object instance for a class in the whole software idea, and the class only provides a method to obtain its object instance (static method). The singleton mode can be implemente ...

(statement: some pictures in this article come from the Internet. If there is infringement, please contact us and delete or replace the pictures at the first time) 1. Foreword I have uploaded some C language programs compiled in my undergraduate course and recently improved again in my blog. It has been some time. Good guy, if I don't do ...

Smart pointer When using heap memory, when a piece of heap memory is no longer needed, this memory must be released in order to reallocate this memory. If a programmer accidentally makes an error when writing code for object reallocation, it will lead to serious problems, such as memory leakage, which will lead to program crash. In C ++ 11 ...

preface *** I think the basic boss can leave early. Take time to update this column after work   java Foundation 1. What is object-oriented?   object oriented is to pay more attention to the participants (objects) of things and what they need to do. (process oriented, paying more attention to every step and sequence of things) it ...

Original author: Hollis Character stream, byte stream Bytes and characters Bit is the smallest binary unit and is the operating part of the computer. Value 0 or 1 Byte (byte) is the smallest unit of computer operation data, which is composed of 8 bit s. The value (- 128-127) Char (character) is the smallest readable and writable unit of th ...