all uppercase

1. Constants: All uppercase, unchanged variables2..PYC file: Is the py file compiled after the binary file, the py file becomes the PYc file, the speed of loading increased, and PYC is a cross-platform bytecode, is executed by Python virtual machine.

String, the JavaScript string is represented by a character enclosed in "and".character literal, \ n newline, \ t tab, \b Backspace, \ r Enter, \f, \ \ Slash, \ ' single quote ('), \ "Odd Number (")\xnn a character in hexadecimal code nn (where n is

Source: http://www.cnblogs.com/dreamhome/archive/2011/05/04/2037011.html----------------------------sprintf ("%d", "3.2");//format only, return formatted string, not output. printf ("%d", "3.2");//format, Output//print ("3.2");//Output only//echo

Python basics 1: Python BasicsI. Introduction and version of Python Python is an excellent and widely used language that advocates elegance, clarity, and simplicity. Currently, Python is mainly used in the following fields: 　　　　Cloud computing:The

Java basics --- string, java --- string 1. Concept of Character Creation A java string is a Unicode Character Sequence. For example, the string "Java \ u2122" consists of five Unicode characters J, a, v, a, and TM. Java does not have a built-in

[Python extension] string method and comment, python string Capitalize () Change the first character of the string to uppercase. Casefold () Change all characters of the entire string to lowercase letters. Center

Generally, regular expressions use the following "symbols": ^-indicates that a string must have such a word before it. For example, ^ http: // indicates that http must exist before it: // $-indicates that the string must be followed by such a word .?

Familiar with Python and character strings (2) Update, learn python The previous chapter describes how to connect two strings. Review: Copy codeThe Code is as follows:>>> A = 'py'>>> B = 'thon'>>> A + B'Python' Since this is a method, there is an

When I first started writing JavaScript and encountered some problems to solve, I found that I often needed Google search or Mozilla reference, to find the exact syntax and parameter definitions and string operation methods. It seems that experts

Operations related to python strings and python strings   Python string-related operations   1. string SEARCHName = "today is a \ t beautiful day"Print (name. capitalize () # uppercase lettersPrint (name. center (40, '-') # center display, fill in '-

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

Do not reprint or copy without the consent of the author!!1.javathe white PaperThe Java Designer is used to explain the original design and the completion of the situation;2.javaThe advantagesIn Java 's white paper, java has:1. Simplicity --java

Method Describe String.capitalize () Capitalize the first character of a string String.center (width) Returns the center of the original string and fills the new string with a space of length width

Android-eclipse tips for use a Code accessibility featureShow line NumbersCode hintsQuick NotesLine Comment ctrl+/Block Comment ctrl+shift+/Remove ctrl+shift+\ Quick Switch edit windowCtrl+f6 Uppercase Lowercase letter ToggleCtrl+shift+y all

Django uses the request and response objectsWhen requesting a page, Django wraps the requested metadata data into a HttpRequest object, and Django loads the appropriate view method, passing the HttpRequest object as the first argument to the view

1. IntroductionAt present, regular expressions have been widely used in many software applications, including * nix (Linux, Unix, etc.), HP and other operating systems, PHP, C #, Java and other development environments, and many applications can see

VS2005 Common shortcut keys debugging shortcut keys F6: Build Solution CTRL+F6: Build Current project F7: View Code Shift+f7: Viewing the form Designer F5: Start Debugging Ctrl+f5: Start execution (without debugging) SHIFT+F5: Stop

PHP writing specification PHPCodingStandard. General principles: 1. you can understand the meaning of a name in semantics. 2. the general prefix "is" indicates whether or not, "get" indicates read, and "set" indicates write. Is followed by

This article mainly introduces several PHP uppercase/Lowercase conversion functions, which can be used to convert letters into uppercase/lowercase letters or all uppercase/lowercase letters. For more information, see converting the first letter of

Golang Naming conventionsImage Filename The main portal file for the entire app or package should be or be the same as the main.go app name shorthand. For example: Gogs The main portal file is named gogs.go . Function or method If a