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([parameter list])//CallParameters of the functionFormal parameters and actual parameters-When defining a function, the name of the variable in parentheses after the function name is called a "formal parameter," or "formal argument"-When calling a function, the name of the variable in parentheses after the function name is called "actual parameter", or "argument"Default parameter (default parameter)def fun (x, y=100):Print x, yFun ($)Fun (1)Variables

Basic HTML Review (1) and basic html ReviewHTML: HyperText Markup Language (HyperText Markup Language), not a programming Language, is a Markup Language HTML element: Target value Description Example _ Blank Open link in new window _ Self By default, the link is opened in the same framework. _ Parent Open a link in the parent framework

Basic knowledge Review Chapter 1 servlet learning and understanding, Chapter 1 servlet As for servlet, I believe that I have learned java, and I have recently sorted out the basic knowledge so that I can better understand ssm or ssh. Next I will start from1: Servlet Interface Servlet has five methods. The functions of each method are briefly described below.1.1:

Step 1: configure the gpio serial port RCC-> apb2enr | = 1 Gpiob-> CRL = 0xff0fffff; // bit Initialization Gpiob-> CRL | = 0x00300000; // pb.5 push-pull output Gpiob-> ODR | = 1 Ii. Three Methods to set the IO port level 1. macro definition: # define beep pbout (8) beep = 0; 2. gpiob-> ODR | =

These days, the interview, the interview when a lot of knowledge point is also very unfamiliar, this two days first to review the Java Foundation, there is a period of time did not write a blog, today, first talk about the conversion of the system.1. Binary number of the original code, complement and anti-code1): For positive number of the original code, complement and anti-code are the same, not discussed

; Conditional Operations > Assignment Operations v. Assignment operator compound assignment operator + =-+ *=/= vi. self-increment self-reduction a++ ++aa--a PS: No squared: a** a//Seven, sizeof output accounted for the number of bytes eight, the relational operation except 0 is true the return value is only 0 and 1, true is 1, false is 0 There are multiple operators, you can use the results

row to form an entity, and a number of correspondence between entities and entities The example here is similar to a class in object-oriented, except that it focuses only on the data (fields) that describe the object, not on the object's behavior (function) V. Concepts in the Database Database, non-homogeneous data should be placed in a different database (1) Facilitate personalized management of individual data categories (2) Avoid naming conflicts

1.Formatted output:　　printf ("%-m.nf", a);where all of the formats are formatted as%-m.nf-: Stands for left alignment, default has right alignmentM: Represents the number of placeholders,N: Representing precision2.The form of the function definition　　int Add (x, y) int x, y; { int z; Z=x+y; return Z;}A different formint Add (int x,int y) { int z; Z=x+y; return Z;}3.Macro definition#define a BWhen the program compiles

different from traditional programs, and Sun is introducing Java as an open technology. Tens of thousands of Java development companies around the world are required to design Java software that must be compatible with each other. "The Java language relies on the power of the community rather than the power of the company" is one of Sun's slogan, and has been recognized by the vast number of software developers. This is completely different from the focus on the elite and the closed model advoc

Copy the file/home/student/vimfile.txt to/home/student/longlisting.txt on the server. Use the VIM editor to change the/home/student/longlisting.txt file according to the following requirements:. Delete the file owner column. Do not remove any spaces.. Delete documents lines and pictures lines.Save the file when you are finished editing.Copy file/home/student/vimfile.txt to/home/student/longlisting.txt$ cp/home/student/vimfile.txt/home/student/longlisting.txtUse Vim to edit a file and play the be

Adit DeshpandeCS undergrad at UCLA (' 19)Blog about Resumedeep Learning Review Week 1:generative adversarial Netsstarting this week, I'll be doing a new series called Deep learning the Review. Every couple weeks orso, I'll be summarizing and explaining the papers in specific subfie LDS of deep learning. this week I-ll begin with generative adversarial Networks

correctly, and the destructor is called if a local object is a class type. If the exception occurs in the constructor, the current object may be only partially constructed, some members are initialized, others are not initialized, and the object can be destroyed normally. If the destructor also throws an exception, then in the destructor itself inside the try, catch and throw, can not be left to others to handle, in the destructor inside the completion of processing. More exceptions to inherite

Introduction: PWM for a lot of software engineers may be familiar and unfamiliar with PWM to adjust the LED brightness For example, its essence is in every period of cutting corners, the overall performance of the LED under-voltage brightness of different effects. As you can see the seven color lantern its principle is similar, just with 3 PWM control red, green, blue three colors of the lamp output brightness, and then combined with the principle of mixing color to show the colorful effect ~Wri

to gof again: In an article, there are only 26 letters in total, but this article may contain tens of thousands of words. At this time, we can solve the problem using the metadata mode. In this case, what is the internal status? What is an external state? The inner state is shared by all callers, that is, the 26 letters. What about the external status? That is, the font of each character cannot be different. It may be different. For exampleCode: Class Character { Char C; Font

Android Development Review notes-TabHost component (1) (implement menu navigation at the bottom), Android tabhost What is TabHost?The main function of the TabHost component is to manage applications by category. For example, you can see a graphical interface when using a windows operating system. When talking about this component on the TabHost tab, you have to go over the API provided by Google. We can fin

2015-10-20Before learning Java knowledge, just follow the code used to jump to learn some, not all of the learning is also wrong into pieces ... Well, what a tragedy!Reasoning, it is necessary to review and finishing, otherwise written out of things really can't read. So, from today's 1.1-point gnawing down.Back to the creation of the class file, and see the familiar main function ... Then, there is the question of the title. So, let's