Programmer Group

1 branch structure Although the program with sequential structure can solve the problems of calculation and output But you can't judge and choose. For the problem of making judgment before selection, we should use the branch structure 1.2 form 1.3.1 exercise: Commodity discount cases Create package: cn.tedu.basic Create class: TestDiscoun ...

preface Hello, guys. In the last article, we had a preliminary understanding of typescript: Mastering what typescript is, how to use typescript and when to use typescript. Today we will learn about data types in typescript. As mentioned in the previous article, TypeScript is a superset of JavaScript. Since it is a superset, some data type ...

Linux device driver learning notes - character device driver - Note.1 LINUX DEVICE DRIVERS，3RD EDITION 1, Character drive [1] Primary and secondary equipment No Character devices are accessed by names in the file system. Device files with names called file systems Specify that they are located in the / dev directory. You can view thei ...

Experimental task 1 Task 1-1: (1)task1_1.asm source code assume ds:data, cs:code, ss:stack data segment db 16 dup(0) data ends stack segment db 16 dup(0) stack ends code segment start: mov ax, data mov ds, ax mov ax, stack mov ss, ax mov sp, 16 mov ah, 4ch int 21h code ends end start   (2)task1_1. ...

Learning objectives Cross domain requestFile uploadMail processing Cross domain request 1. How to understand cross domain What is cross domain? Cross domain refers to the mutual access between different domain names, which is determined by the browser's homology policy. It is a security measure imposed by the browser on JavaScript to preve ...

1, Process and thread 1. Process: a running application is regarded as a process in the operating system, which contains the resources required by an application. A process can contain one or more threads. Processes are independent of each other. One process cannot access the data of another process. The communication between different applicat ...

preface UNIX system has always had powerful shell programs. The birth of Windows PowerShell is to provide command-line shell programs (such as sh, bash or csh) with functions equivalent to UNIX system. At the same time, it also has built-in script language and tools to assist script programs, so that command-line users and script writers c ...

Introduction:   This article will take lazy loading as an example to introduce various concepts in functional programming step by step, so readers don't need any foundation of functional programming, just need to know a little about Java 8. Author Xuan Heng Source: Ali technical official account This article will take lazy loading as a ...

1. Overview of API and Object class 1.API(Application Programming Interface)       Application programming interface 2.Java API      It is the classes provided by Java for us to use. These classes encapsulate the underlying implementation,      We don't need to care about how these classes are im ...

preface Today, let's talk about the operation of files in Java, IO stream (input / output stream). First, in the computer, the information set of files on the computer can be text, pictures, videos, etc. Files are stored in binary Input and output streams Input stream: an object from which a sequence of bytes can be read is called an inpu ...