how to open vcf file

=NewSystem.IO.FileStream (filepath, System.IO.FileMode.Open,4 System.IO.FileAccess.Read, System.IO.FileShare.Read))5 {6 response.clear ();7Response.ContentEncoding =System.Text.Encoding.UTF8;8Response.ContentType ="Application/octet-stream";9Response.AddHeader ("content-disposition","attachment; Filename="+Ten System.Web.HttpUtility.UrlEncode (FileName)); One Istream.copyto (response.outputstream); A Response.End (); -}View CodeOr is the. Net framework design good, direct using, the mem

All know the characteristics of the Linux system, all files, all in the run Zabbix such services, one of the important tuning is to adjust the maximum file handle of the Linux system, to solve the "too many open files" problem, increase the number of programs allowed to open the program to improve performance.A To view the number of

Open some files on the WIN7 operating platform if administrator privileges are required. You can get administrator privileges by doing the followingCreate a batch register file. The file contains the file suffix named. Reg. Then double-click the file.

* * Open File principle: Invoke cmd command to execute * * */import java.awt.BorderLayout; Import Java.awt.EventQueue; Import Javax.swing.JFrame; Import Javax.swing.JPanel; Import Javax.swing.border.EmptyBorder; Import Javax.swing.JButton; Import Java.awt.event.ActionListener; Import java.awt.event.ActionEvent; Import java.io.IOException; public class SS extends JFrame {private JPanel contentpane; public

Win7 file default open mode is set to open with%systemroot\windows\explorer.exe.Then right-click the file--properties and find that you want to change back to the default open mode without the relevant buttons, options.When you double-click the

This article mainly introduces how to view the system network connection open port, open service and so on in DOS Problem Description: DOS View system network connection open port, open service Problem solving: (1) DOS View system network connection open port Note: U

Problem Description: DOS View system network connection open port, open service Problem solving: (1) DOS View system network connection open port Note: Using the netstat command, you can view the ports that the system opens (2) View and close the system open process Note: Use the taskkill/pid/f port number

/*************************************** ******************************* Author: Samson* Date: 04/07/2014* Test platform:* 3.11.0-12-generic # 19-Ubuntu* GNU bash, version 4.2.45**************************************** ****************************/ In GNU/Linux, when you need to open files of other formats, we usually go to the directory where the files are located and double-click to open the files, which

Too many open filesThe reason for this is that the program opened the file/socket the number of connections exceeds the system set value.View the maximum number of open files per userUlimit-a [Email protected]:~$ ulimit-a Core file size (blocks,-c) 0 Data seg Size (Kbytes,-D) Unlimited Scheduling Priority (-

Recently a lot of PPT enthusiasts ask:pptx file How to open ? They usually only see the PPT,PPS,PPTV name, now come out a pptx, with PPT software open all have no effect. What to do? In fact, many people in life have encountered pptx file how to open this problem, the follo

Number of Linux open files too many open file solutionToo many open filesThe reason for this is that the program opened the file/socket the number of connections exceeds the system set value.View the maximum number of open files p

What is the AI file? AI file is the abbreviation of Adobe Illustrator, is an industrial standard vector illustration software applied to publishing, multimedia and online image, as a very good image processing tool, Adobe Illustrator is widely used in print publishing, poster book typesetting, professional illustration, Multimedia image processing and Internet page production, can also provide a high degre

Http://imgcache.vikduo.com/static/aab30649fcbab646916b4c3c51d3bf27.js This file, with the office window computer can not open, with a Mac to open, and then the iphone even Wi-Fi can not open, with mobile 4g to open, WiFi internet access. Reply content: Http://imgcache.v

The reason for this is that the program opened the file/socket the number of connections exceeds the system set value.View the maximum number of open files per userUlimit-awhere open files (-N) 1024 indicates that the maximum number of files allowed per user is 1024Maximum number of current system file handles, only fo

Include header file: # include 1. The common method to open a file dialog box is to use the system cfiledialog. Here we will introduce another method: Use the structure of openfilename and the getopenfilename () function to implement Single-choice files or multiple-choice files. The Code is as follows: Tchar szbuffer [max_path] = {0}; openfilename ofn = {0}; o

In Eclipse open Android virtual phone, open file Explorer, below is empty no data, MNT, system three filesThis is because the simulator is not selected for the sake of opening, you must first open an emulator (AVD), and then on the left to select the emulator, the right will appear the corresponding MNT folder!When we

using MySQL to import a database is a very unfortunate occurrence:Failed to open file ' Xxx.sql ', Error:2Do not do anything when this happens, first set the encoding mode set names encoding mode in your MySQL;second, try to import the name of the database should not be Chinese, first change him to English name and then import try. If not, please try the following methods;The main reason is that MySQL does

WPF calls OpenFileDialog and FolderBrowserDialog in WinForm to implement the functionality of the responseOpenFileDialog OpenFileDialog = new OpenFileDialog (); Openfiledialog.title = "Select File"; Openfiledialog.filter = "Zip file |*.zip|rar file |*.rar| all Files |*.*"; Openfiledialog.filename = string. Empty; Openfi

Fopen () is used to open local files. Lt ;? Php?dirquot=localhosttmp_datatest.txt quot; if (! ($ Fpfopen ($ dir, quot; r quot;) { nbsp; echo quot; cannot be opened! Quot; nbsp; exit ;} nbsp; while fopen () open the local file, and the old file cannot be opened. $ Dir = "http: // localhost/tmp_data/test.txt "; I

Problem description: DOS: view the services opened by the system's network connection Solution: (1) DOS Viewing System network connection opening port Note: Run the netstat command to view the opened ports. (2) view and close the process opened by the System Note: Taskkill/pid/F port can be used to close the port of the specified PID Note: Tasklist can be used to view all PIDs. (3) open a file