difference between ipod touch 4 and 5

IPod Touch 4 brush tutorial Finally, I had the money to buy the first Apple product: iPod Touch 4. I wanted to buy the iPhone 4S, but it didn't cost much. I bought it for development, iPod.In addition to phone calls,

the function name itself is a variable. For function declarations and function expressions as shown below, it is very useful to understand that a function in JavaScript cannot be overloaded without considering the difference between a function declaration and a function expression.1 function f (a) {2 return a + 3} 4 5 function f (a) {6 return a-10; 7} 8

inside the main function can also be outside the main function.(5) Object method belongs to object allTwo. Functions:void Run () {}(1) All functions are parallel.(2) function has no affiliation(3) The use of the time can be directly called(4) You cannot access member variables in an object4, the relationship between the object and the method,One, the object as the parameter of the method-(void) Displaypers

Tags: databases mysql SQL databaseFirst, the cmd common MySQL related commandsmysql-d,--database=name//Open Database--delimiter=name//Specify delimiter-H,--host=name//server name-P,--password[=name]//password-P,--Port[=name]//Port number--prompt==name//Setup prompt-U,--user=name//user name-V,--version//output version numberCan be used in combination, such as input-uusernam-ppassword login user name usrname password for password accountII. Basic data typesIntegral type:1) TINYINT 2) SMALLINT 3) M

HTML5 is the next version of the HTML standard. Although HTML5 does not completely subvert HTML4, there are some differences. The latest and most complete HTML5-HTML4 contrast information please see http://dev.w3.org/html5/html4-differences/, looks like a little more. In this IE still exist in the world, the difference of HTML5 first grasp some can, and so on all support after careful study is not too late. 1. Simplified grammarHTML5 simplifies a lot

One, the CMD frequently uses the MySQL related commandmysql-d,--database=name//Open Database--delimiter=name//Specify delimiter-H,--host=name//server name-P,--password[=name]//password-P,--Port[=name]//Port number--prompt==name//Setup prompt-U,--user=name//username-V,--version//output versionAble to use combination, such as input-uusernam-ppassword login username for usrname password for password accountII. Basic data typesIntegral type:1) TINYINT 2) SMALLINT 3) Mediumint

(1) HTML 5 compared to HTML 4, the syntax changes, the following four aspects:Example of change in character encoding:Omit Tag Value:(2) New and deprecated elements(3) Add HTML Global Properties(1) Specifies whether the element can be edited(2) Specify whether the page can be edited on : editable off: not editable(3) True: Make an element invisible(4) Spelling an

) in a document. such as chapters, headers, footers, or other parts of the document.HTML5:HTML4:Tags define media resources for media elements (such as and).HTML5:HTML4:The label contains the title of the details element, which is used to describe the details of the document or document fragment. The "Summary" element should be the first child element of the "details" element.HTML5:HTML 5Thisdocument teaches you everything you have to learn about HTML5.HTML4:noneThe label defines the date or tim

Reasons for the launchThe advent of HTML is to solve the problems existing on the web.· The compatibility between Web browsers is very low· The document structure is not clear (the entire page Div, not semantically)· The functionality of the Web application has been limitedChanges in grammarDOCTYPE statement (Specify character encoding (Elements that can omit markupProperty with a Boolean value (Omit quotation marks (attribute values can not be written in quotation marks)New and repealed element