all uppercase

HTTP is an object-oriented protocol belonging to the application layer, which is suitable for distributed hypermedia information System because of its simple and fast way. It was proposed in 1990, after several years of use and development, has been

Php//=============================== Time Date ===============================//y returns the last two digits of the year, Y year four digits, m month number, M month English. D Month Date number, D week a few English$date =Date ("y-m-d");$date

=============================== Time Date ===============================Y returns the last two digits of the year, the Y-year four digits, the M-month number, and the M-month English. D Month Date number, D week a few English$date =date

HTTP protocol explanation (really classic)IntroductionHTTP is an object-oriented protocol belonging to the application layer, which is suitable for distributed hypermedia information System because of its simple and fast way. It was proposed in 1990,

HTTP is an object-oriented protocol belonging to the application layer, which is suitable for distributed hypermedia information System because of its simple and fast way. It was proposed in 1990, after several years of use and development, has been

Small Q: The atrium of the white tree-dwelling crow, cold dew silent wet osmanthus; Tonight the Ming Dynasty, I do not know the autumn think of who home? Wang Jian "The Moon in the Night"Two password generation code instances=========================

Defining variablesname = ' Chentaicheng ' #字符串要加 'Age = #数字不加 "When defining the variable name = ' Chentaicheng ', the Python interpreter first creates a ' Chentaicheng ' string in memory,Create a variable named name and point the variable to the

7. Regular Expression matching rules7.1 basic mode matchingEverything starts from the most basic. Pattern is the most basic element of a regular expression. They are a set of characters that describe character strings. The mode can be very simple.

1.Date objectsMethod:Set/getfullyear () yearSet/getmonth () monthSet/getdate () DaySet/getday () Week: (0~6) Sunday to SaturdaySet/gethours ()Set/getminutes () minSet/getseconds () secondsReturn Week:var mydate = new Date ();var week = ["Sunday",

Constant definition rule: constant meaning is not changed; Constant definition name is all uppercase;such as: mysql_connection= ' 192.168.1.1 'Pyc:python generated translation files that enable the computer to recognize the Python language;Syntax

/*Final: Finally. As a modifier,1, you can modify the class, function, variable.2, a final modified class cannot be inherited. In order to avoid being inherited, quilt-like replication function.3, the final modification of the method can not be

Php mysql_real_escape_string addslashes and mysql bind parameters to prevent SQL injection attacks and realescapestring Php mysql_real_escape_string addslashes and mysql bind parameters to prevent SQL injection attacks Php has three methods to

User collation of the standard https://www.douban.com/note/134971609/PEP8 Python Coding SpecificationA code orchestration1 indent. Indentation of 4 spaces (the editor can do this), no tap, no mix of taps and spaces.2 The maximum length per line is 79

The purpose of defining the specification is to unify the code style of the project so that the program is readable.Name of package (all lowercase, defined by domain name)The Java package name is made up of lowercase words. However, due to the Java

Constants: In C # , constants are used to store unchanging data, constants are not changed during program operation, can only be referenced, cannot be re-assigned, that is, the value can only be modified at the time of definition. There is also

String methodString.digits: String containing the number 0-9String.letters: A string containing all letters (uppercase or lowercase)String.lowercase: A string containing all lowercase lettersString.printable: A string containing all printable

Php summary 3.0-basic functions, loops in Process Control, php3.0 3.1 basic php functions (mathematics, date, string) Mathematical functions: max mixed max (number $ arg1, number $ arg2 ,......) Finding the maximum value in a set of data indicates

Python BASICS (str, list, tuple), pythontuple Python isStrong type of Dynamic InterpretationDefinition Language (compiled first and then explained) Dynamic Language When programming in a dynamic language, you never need to specify a data type for

Preface: This lesson mainly tells about CSS related content.emphasis : 1.css (cascading style Sheet) overlay style sheet, the appearance of Web pages, is used to control the style of the Web page and allows to separate the style information from the

Directory Python string Python accesses a value in a string Python string Update Python Escape character Python string operator Python string Formatting Python Triple Quote Unicode string Built-in functions