file types

I. Classification of documentsF File Common FilesD Directory DirectoriesL symlink softlink Symbolic link/soft Connect1, f File Ordinary files1). binary Files-commands2). data file-data-can only be viewed by the specified command3). text file[Email protected] ~]# ls-l/etc/hosts/bin/gawk/tmp/etc.tar.gz-rwxr-xr-x. 1 root

Tags: case hard link Shutdown Command shortcut directory file explain software start sock1. Shutdown command:Halt;reboot;shutdown can use man shutdown to see its detailed explanationshutdown [option] TimeOption-h:halt-r:reboot-c:cancleTime:hh:mmNow+#2 users: Get credentials for a resource or serviceLinux path:/home/caseyLinux file types1. Strictly case-sensitive2, can use any character, not carriage return,

bytes) number; column 3 and 4 indicate the number of used and available data blocks, respectively. The user may be surprised that the sum of the blocks in column 3 and 4 is not equal to the number of blocks in column 3. This is because by default, each partition leaves a small amount of space for the system administrator to use. Even if the common user space is full, the administrator can still log on and leave the workspace required to solve the problem. The Use % column in the list indicates

Set the content-type of common file types in php Headers This article describes how to set content-type for common file types in php headers. For more information, see In PHP, you can use the header function to send header information and set the content-type of the file. Th

File types in Linux: -: Normal file (f) D: Catalog file B: Block device files (blocks) C: Character device file (character) L: Symbolic Link files (soft link files) (Symbolic link file) P: Command pipe

I. File type1 File typesPlain files (regular file): Plain text document (ASCII), binary (binary), data format file.2 contents (directory)3 Symbolic Link file: Similar to shortcuts in Windows.4 Device: block (block) device, storing data to provide system random access to the

File Types supported by VC In VC ++ 6.0 ,*. CLW ,*. DSP ,*. DSW ,*. NCB ,*. opt ,*. RC ,*. PLG ,*. ILK ,*. PCH ,*. PDB ,*. res ,*. what files are IDB files? What can be used separately? DSW: developer Studio Workspace, the highest level configuration file, records the configuration information of the entire workspace. It is a plain text

Original: MVC authentication 12-use dataannotationsextensions to validate integers, messages, minimums, file types, URL addresses, and moreThis article experiences from http://dataannotationsextensions.org/ DATAANNOTATIONSEXTENSIONS.MVC3, which is an extension of dataannotation, can perform two-step verification on both the client and the server, and the types th

Linux Environment-The Python environment is installed by default for most Linux distributions.-Enter Python to launch Python interactive mode-Recommended use of VIM for program editors Windows environment-Download the MSI package to install Python directly-A GUI development environment that comes with Python-Many development tools # Linux Interactive interface [[email protected] ~]# Pythonpython 2.6.6 (r266:84292, Jan, 09:37:14) [GCC 4.4.7 20120313 (Red Hat 4.4.7 -4)] on Linux2type ' he

Python Learning notes 2--python file types, variables, values, strings, tuples, lists, dictionariesOne, Python file type1. Source CodePython source code file with a. py extension, interpreted by the Pyton program, does not require compilation[[email protected] day01]# vim 1.py#!/usr/bin/python print ' Hello world! ' [[

Python----data types, meta-ancestors, lists, dictionaries, file operations1. Boolean Type: Ture FalseNon-0 is true non-empty or vacuum (None a= ' empty string)Conditional judgment returns TRUE or False2. String: Note: All operations of the string do not change the original string valueCommon methods of operation. Count (). Find () #回不存在的元素, return-1. Join (). Encode (). Decode () #bytes类型才有的 (bytes: binary

"Objective-c Common file Types" File Type Description . m OC Source file . h Header file . C C Source Files . cc C + + source files . mm oc++ sour

There are 3 types of Python files: source code files, compiled files, optimized files.Source code files: Files that end with ". Py" for code saved for the development program.Compile file: The file ends with ". PYc", assuming that the source file is 1.py, if 1.py is compiled to 1.PYC, enter the following code in 2.py:#

1.accept= "Application/msexcel"2.accept= "Application/msword"3.accept= "Application/pdf"4.accept= "Application/poscript"5.accept= "Application/rtf"6.accept= "Application/x-zip-compressed"7.accept= "Audio/basic"8.accept= "Audio/x-aiff"9.accept= "Audio/x-mpeg"10.accept= "Audio/x-pn/realaudio"11.accept= "Audio/x-waw"12.accept= "Image/gif"13.accept= "Image/jpeg"14.accept= "Image/tiff"15.accept= "Image/x-ms-bmp"16.accept= "IMAGE/X-PHOTO-CD"17.accept= "Image/x-png"18.accept= "Image/x-portablebitmap"19

(Intent.flag_activity_new_task); if (Paramboolean) {Uri uri1 = uri.parse (param); Intent.setdataandtypE (Uri1, "Text/plain"); }else{Uri uri2 = uri.fromfile (new File (param)); Intent.setdataandtype (Uri2, "Text/plain"); } return intent; //android gets a Intent public static Intent getpdffileintent (String param) {Intent Intent = new Intent for opening PDF files ("an Droid.intent.action.VIEW "); Intent.addcategory ("Android.intent.category

*: matches any character of any length？ : Matches a single character[]: matches any single character within the specified range of characters, not case-sensitive[[: Upper:]] Uppercase[[: Lower:]] lowercase letters[[: Alpha:]] uppercase and lowercase letters[[: Digit:]] Number[[: Alnum:]] Mixed alphanumeric[[: Space:]] Space[[: Punct:]] punctuation special characters[^]: matches any single character outside the specified range of charactersPractice:　　　　　　　　Copy/etc directory starting with p, with

and. For example 7=4+2+1, so 7 represents a readable writable executable. 5=4+1, so 5 represents a readable executable that is not writable. 0 means unreadable, non-writable, non-executableIii. The owner of the document and the group to which it belongs1. Change the file ownercommand: Chown user name fileExample: Chown work test.txt (change the owner of the Test.txt to work)2. Change the group to which the file