how to undelete files

1. Shut down the databaseSQL> shutdown immediate;2. Move data files and log files to a new locationSQL> host mv/u01/olddata. dbf/u02/newdata. dbf;SQL> host mv/u01/oldredo. log/u02/newredo. log;3. Start the database in load modeSQL> startup mount;4. Change the path of data files and log files in the database.SQL> alter

In linux, deb files are converted to rpm files, and deb packages are converted to rpm files.Convert deb files to rpm files in linuxTake alien_8.87.tar.gz as an example: Download and install alien_8.87.tar.gz [Root @ shyn ~] # Wget http://ftp.de.debian.org/debian/pool/main/a/alien/alien_8.87.tar.gz [Root @ shyn ~] #

Recently developed code in the Unbuntu environment, since very little use of the Linux development environment, so there is less knowledge of Linux compilation, about. O,. A,. So files and executables have been very confusedToday I looked into the distinction between them:. O is equivalent to the obj file in Windows, A. C or. cpp file corresponds to an. o file. A is a good number of. O Together for static connections, i.e., static mode, multiple. A ca

(Reprinted) GCC and OBJ files, dynamic link files and elf files --------------------------------------------------------------------------------1. OBJ file Programmers write programs by writing a binary file. If we declare a variable char C, that is, the Declaration requires an 8-bit space, then we need to declare to the system that the 8-bit space is reserved. H

JSP: how to upload excel files and insert excel files to the database. jsp: how to upload excel files This document describes how to upload an excel file from a JSP file and insert an excel file into a database. Share it with you for your reference. The details are as follows: This excel file is bound to pojo. (disadvantage) The excle header must be a pojo field

Source: http://blog.sina.com.cn/s/blog_3ef1296d0101aob6.html three, FPGA pin allocation file Preservation methodWhen using someone else's project, sometimes can't find his pin file, but can save his already bound pin, output to the file.method One:View pin bindings, Quartus-Assignment, Pins, open the FPGA pin interface, where the pin file can be saved in CSV format (tabular format) and TCL format in the menu of this interface.Step: Select Save name and save format with Export ....Method Tw

Lnmp cannot parse the php file. you can access the html file to access the php file and directly download the configuration file I modified under nginx. Both nginx and php-fpm can start Port 9000 and access html files, but cannot access php files, Download the php file directly when accessing it. this is my nginx. conf configuration. Location /{ 43 root html; 44 index index.html index.htm index. php;

PHP Learning Notes-Advanced tutorials-read files, create files, write files

Web-sideid= "Iconform" enctype= "Multipart/form-data"> form>JS: Submitted via AjaxsubmitBackstage: Accept the file through HttpServletRequest, can passServletfileupload.ismultipartcontent (Request)Determine if the file is a request, and if so, you can convert HttpServletRequest to Multiparthttpservletrequest to get the file Accept a single fileMultipartfile getFile (String name) Get multiple FilesMap Get multiple sets of filesList Springmvc accepts single

);sprintf (buf, "OPTS UTF8 on\n");Send (Sockfd,buf,strlen (BUF), 0);Bzero (buf,sizeof (BUF));Recv (Sockfd,buf,sizeof (BUF), 0);printf ("%s", buf);sprintf (buf, "pwd\n");Send (Sockfd,buf,strlen (BUF), 0);Bzero (buf,sizeof (BUF));Recv (Sockfd,buf,sizeof (BUF), 0);printf ("%s", buf);Functionwhile (1){printf ("ftp>");Get commandGets (BUF);Command Branchif (!strcmp (buf, "ls")){Func ();Ls_run ();Close (SOCKFD1);Continue}if (!strcmp (buf, "Bye")){Break}SSCANF (buf, "%s%s", tem1,tem2);if (!strcmp (TEM1

Original address: http://www.topbug.net/blog/2012/03/17/ generate-ctags-files-for-c-slash-c-plus-plus-source-files-and-all-of-their-included-header-files/This post was for those people who use exuberant Ctags. If you is using other versions of Ctags, the This post is not being useful. When using ctags to generate the "tags file for C + + projects, usually we use

Oracle non-critical file recovery, redo, temporary files, index files, password files, and oracleredo The Application of Incremental backup is in the rediscovery stage and is no longer in the restore stage. Learn about the database settings table:SQL> desc database_propertiesName Null? Type--------------------------------------------------------------------------

. contentLoaderInfo. addEventListener (Event. COMPLETE, completeHandler );Loader. contentLoaderInfo. addEventListener (IOErrorEvent. IO_ERROR, ioErrorHandler ); Var request: URLRequest = new URLRequest (_ url );Loader. load (request );AddChild (loader );} Private function completehandler (E: Event ){Content = e.tar get. content;// Set the width and height of the returned objectIf (_ height! =-1 ){Content. Height = _ height;}If (_ width! =-1 ){Content. width = _ width;}Dispatchevent (E); // throw

Error message: securityerror: Error #2148: SWF file D:/demo/test/index.swf cannot access local resources D:/demo/test/bin-Debug/textlayout_4.0.0.10485.swf. Only the SWF files of the file system and trusted local SWF files can access local resources.At flash.net: urlstream/load ()At flash.net: urlloader/load () Solution:Add a file in the C:/Windows/system32/macromed/flash/flashplayertrust directory, for exa

Open file: Fopen:fopen (Filename,mode);//fopen ("Test.txt", "R"); Open mode: R read-only open, point file pointer to file header r+ read-write mode open, point file pointer to file header W Write, point to file header, If it does not exist, try to create a w+ read-write, point to the file header, and if it does not exist, try to create a write-through, point to the end of the file, and if not, try to create a + read-write open, point to the end of the file, and try to create ReadFile (filename):

Prohibit computer sharing of files, prohibit LAN sharing of files, and prevent copying shared filesSometimes to protect the security of computer files, we need to disable computer sharing and block LAN shared file access. The specific settings are as follows:Method 1: Disable shared folders and group policies to block network sharing.The group policy is a very po

Tags: order margin fast BAE data param code BSP BER databae = physical files, logical structures that compose physical files View database name Sql> Show Parameter Db_nam NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ Db_name string Gaga01 Sql> select name from V$database; NAME --------- GAGA01 Sql> To view the instance name: Sql> Show

SqlServer modifies the storage location of database files and log files, and SQL server log files -- View the current storage location select database_id, name, physical_name AS CurrentLocation, state_desc, size from sys. master_files where database_id = db_id (N 'database name'); -- modify the storage location of the file to take effect next time -- testDb indic

Prohibit computer sharing of files, prohibit domain users from sharing files, prohibit sharing computer filesTo disable network sharing, disable network sharing, and prohibit users from sharing folders, use the following methods:First, check whether the shared file is set on the computer. The method is simple. Start-run-cmd, press enter, and enter "net share" under the doscommand, as shown in:So how to disa

PHP $ _ FILES: upload FILES normally in Windows, but FILES cannot be uploaded in Ubuntu The following source code can be used to upload files normally in Windows Apache, but no error is reported in Ubuntu Linux, but the file cannot be uploaded to the specified directory.How can this problem be solved.Thank you!