how to undelete file

On the internet to see a lot of examples, the result is very disappointing, so decided to write an example, to provide you with reference to study; no more nonsense. See examples directly: Package com.em.test.client; Import Java.io.BufferedOutputStream; Import Java.io.File; Import java.io.FileNotFoundException; Import Java.io.FileOutputStream; Import java.io.IOException; Import Java.io.InputStream; Import java.util.Enumeration; Import Java.util.zip.ZipEntry; Import Java.util.zip.ZipFile; /

Determine whether a file is a text file or a binary file can help the compression software for different files to select the corresponding algorithm, then how to determine whether a file is text or binary it. Older versions of PKZIP are used in the following way: If more than 80% of the bytes fall to 7. In the range of

Copy Code code as follows: Using System; Using System.Data; Using System.Configuration; Using System.Web; Using System.Web.Security; Using System.Web.UI; Using System.Web.UI.WebControls; Using System.Web.UI.WebControls.WebParts; Using System.Web.UI.HtmlControls; Using System.Drawing; Using System.IO; Using System.Drawing.Imaging; Namespace EC { Upload class public class Uploadobj { Public Uploadobj () { // TODO: Add constructor logic here // } Enumeration of types

-name new-name command can be used to rename a directory or file. In this example, the Rename command was used to modify the name of Test.txt to Huawei.txt.delete [/unreserved] [/force] {filename | devicename} command can be used to delete files. In general, deleted files will be moved directly to the Recycle Bin. Files in the Recycle Bin can also be recovered by executing the undelete command, but if you s

Linux file type and vice file name Always emphasize a concept, that is: Any device under Linux are files, not only that, even the interface of data communication has a proprietary file in charge ~ So, you will? solution, Linux file type is really a lot of ~ In addition to the general

DNS Positive Solution zone fileIn DNS, we know that there is the concept of domain and region, the English name of the domain is domains, it is a logical concept, and the region English full name zone, it is a physical concept. And zone is divided into positive solution area and inverse solution area.Positive Solution Area: a service that provides forward parsing, that is, the process of FQDN-->IPAnti-Solution area: A service that provides reverse resolution, that is, the process of IP-->FQDNWhe

In the previous blog, we learned that if we create Django, here we mainly talk about how to pass data to the backgroundIn the URL file, import views from app01 and create URLs (R ' ^login/', views.login) from Import Admin from Import URL from Import = [url (r ' ^admin/', admin.site.urls), URL (r'^login/', Views.login),]Next, the login function in the app01.views operationBrief description: When the first time to enter Views.login is get,

To modify the Webcong file: The following are the referenced contents: Copy Code code as follows: Usefullyqualifiedredirecturl= "true" executiontimeout= "6000" Usefullyqualifiedredirecturl= "false" Minfreethreads= "8" Minlocalrequestfreethreads= "4" apprequestqueuelimit= "100" Enableversionheader= "true" /> Which is closely related to the upload is: Copy Code code as follows: maxRequestLength

JavaScript File API for File upload preview and api File Upload I. OverviewIn the past, accessing local files is a headache for browser-based applications. Despite the continuous development of Web 2.0 application technology, JavaScript is playing an increasingly important role, but for security reasons, JavaScript has been unable to access local files. Therefore

Error about using file () to read the entire file with an exception to break the error! I am now using PHP 4.03pl1 to read the entire file using file () when manipulating the text data file, and then display the code as follows: ? $message =

Http://www.weixueyuan.net/view/5825.htmlIf the program's running results are displayed only on the screen, you must rerun the program again when you want to view the results again, and the result cannot be persisted.If you want the results of your program to be permanently preserved for viewing or fetching at any time, you need to save it in a file.File classificationexternal files and internal files External files: Refers to disk files, which are also commonly called files. Interna

Java File class learning notes 2: File class objects and common operation methods, file learning notes 1. File, relative path, and absolute path 1. File(1) standard files: such as images and music files.(2) directory file: a folde

What file is the RP file? Is your system-restored folder, and the creation of a wish point in this folder creates a file such as rp*, when you have a long time, you can remove some of the previous one and keep some of the back. Used to restore. If you want to remove all folders, turning off the restore under System Restore in My computer's system properties is a

First, the PHP system file processing /* PHP File System processing * All file processing is done using system functions. * is based on LINUX/UNIX system for Model * * File system processing function: * 1. All projects are inseparable from file processing * 2. You can save

Two cases:1, if the use of the Thymeleaf template engine, HTML files can be placed in the template folder, if not must not be put in, otherwise cannot find, because HTML is static page, so put this type of file in the static folder.Join in Pom.xml　　In resources\templates\hello.htmlAdd to Controller@RequestMapping ("/hello") public String hellohtml (hashmapStart, and then enter Localhost:8080/helloWill jump to the pageNote: You must join the Thymele

This example describes how PHP separates file directories and file names from the full file path. Share to everyone for your reference. The specific analysis is as follows: The basename () function is used to get the file name from the pathThe DirName () function is used to get the

HTML xmlns="http://www.w3.org/1999/xhtml" > head runat="Server" > meta http-equiv= "content-type" content= "text/html; Charset=utf-8 "/> title>title> head> body> form id="Form1" runat="Server" > div> input type="file" name="F" id="F"/> input type="button" name="AA" id="AA" value="test" onclick= "javascript: _s ();"/> div> form> body> html> script type="Text/javascript" > func

This article tags: getting started with Linux Linux system Linux file system Linux Linux Common command internet TalkLinux system information is stored in a file, and the file is similar to ordinary official documents. Each file has its own name, content, storage address, and other administrative info

and cannot be changed. For attributes that can be modified by administrators, you will find that some of these attributes are in the lab state. This indicates that these attributes may be deployed and used in the new kernel and file system, but there is no function yet. However, some deployed attributes may be useful to you. For example: I immutable: files with this attribute cannot be modified. This attribute can effectively prevent accidental delet

1. Functions based on downloading files on the Web Public Function Putfile ($file _dir, $file _name) {$file _dir = Chop ($file _dir);//Remove extra spaces in the path//Get the path of the file to download if ($file