upper character

We often encounter this problem in the game. For example, if the enemy encounters the protagonist, he will rotate over him. Or judge the protagonist on the left or right, etc. : The cross of a vector, a, B, gets a C vector perpendicular to them,

/* 2. programming questions1) input a string from the keyboard, and change the upper-case letters to lower-case letters, lower-case letters to upper-case letters, and output.[Requirement](1) Use a character array to store strings (the maximum value

Oracle character function lower () upper () length () substr (char, m, n) I. Character function: lower case function: lower (); usage: for example, all the names of a table are in lowercase: select lower (t. ename) from scott. emp t capital function:

one, the character function: lowercase functions: lower (); usage: For example, all the names of a table are lowercase: Select Lower (t.ename) from Scott.emp t   uppercase Function: Upper (); to use: For example, capitalize all the names of a table:

Chapter 9 strings, characters, and bytes This is easily overlooked when you are new to the system. However, strings, as an important data type, are not explicitly described in C. It seems that C ++ defines the string data type, which has brought a

About the Unicode character set(2011-10-20 20:54:03) The initial Unicode encoding is a fixed-length, 16-bit, or 22-byte representation of a character, which can represent a total of 65,536 characters. Obviously, it is not enough to represent all the

One: Wildcard characters Because generics are initialized to determine the type of data, and the method that accepts this property of this object or object is fixed, it is necessary to judge and limit the types of these properties that pass through

I. screen operation functions1. clrscr () clears the character Window Function2. window () character Window Function3. gotoxy () cursor locating Function4. clreol () clears the character function at the end of the cursor line5. insline () inserts an

I. screen operation functions1. clrscr () clears the character Window Function2. window () character Window Function3. gotoxy () cursor locating Function4. clreol () clears the character function at the end of the cursor line5. insline () inserts an

Use case First, let's look at an example: There is a user table User (username VARCHAR (5) character set utf8COLLATE utf8_general_ci ); Record ('username'); and ('username '); Select * from User where username = 'username'; two data items are