ping webpage

/// public static string GetEncoding(string url) { HttpWebRequest request = null; HttpWebResponse response = null; StreamReader reader = null; try { request = (HttpWebRequest)WebRequest.Create(url); request.Timeout = 20000; request.AllowAutoRedirect = false; response = (HttpWebResponse)request.GetResponse(); if (response.StatusCode == HttpStatusCode.OK response.ContentLength The following shows

Yi er translation technology (http://www.12fanyi.cn) team in the past when doing Text Extraction often encounter because of different Web character set encoding, extraction of a lot of garbled code, now some articles collected for the novice reference, don't laugh. 　　 The first article is from universalchardet,In my excerpt, how does one identify the encoding used by a Web page? First, the webpage or server directly reports the browser. What encoding

Js implements the simple display of time on the webpage, and js implements the webpage Method This article describes how to simply display time on a webpage using js. Share it with you for your reference. The details are as follows: This is a javascript code for webpage clock. It is implemented in pure javascript and i

Ios obtains or modifies the content on the webpage. ios obtains and modifies the webpage. UIWebView is one of the most commonly used sdks for iOS. It has a stringByEvaluatingJavaScriptFromString method that can embed javascript into the page. Through this method, we can interact with webpage elements in UIWebView in iOS. StringByEvaluatingJavaScriptFromString To

Webpage scroll bar design and webpage scroll bar Design 1. settings for Overflow content OverflowOverflow horizontal and vertical content overflow settings nbsp;Settings for overflow-x horizontal content overflow nbsp;Settings for overflow-y vertical content overflowThe values of the preceding three attributes are visible, scroll, hidden, and auto.Visible default value. When this value is used, regardless

When you want to save beautiful pictures or wonderful texts on a webpage, you usually select the target and right-click it, select "Save image as" or "copy" in the pop-up menu to achieve our goal. However, many web pages are currently blocked by right-clicking. As a result, a window will pop up when we press the right-clicking button, which says "XXX is copyrighted, right-clicking is prohibited, and so on, everyone is used to this. In fact, this i

Use javascript to automatically output webpage text and javascript webpage text Javascript is used to automatically output webpage text. setTimeout (), recursion, and String. substring () are used to implement this function. The implementation code is shared below. The result is like a typist typing. The above code is all the content of the

Although the head and DTD are not displayed on the page, they are an important element of the web page. Why is an error? In the previous section, we got an error message when checking our webpage, But we wrote the code according to the XHTML standard throughout the webpage creation process. In fact, the problem lies in the ldquo; Header rdquo; of the webpage. H

JavaScript implements the method of changing the webpage background and font color, and javascript webpage background This example describes how to change the webpage background and font color using JavaScript. Share it with you for your reference. The specific analysis is as follows: JavaScript: click the button to change the color of the background and font of

Powershell performs ping on the server of the txt file, Powershell performs ping on the server of the txt file. The txt file has hundreds of servers that need to be pinged. One per line #//************************************* * *********************** # // Edited:# // Edit unit:# // Editing function: ping # // preparation time: 2016.01.05 #//********************

Ping is a command under Windows, UNIX, and Linux systems. Ping also belongs to a communication protocol and is part of the TCP/IP protocol. Use the ping command to check whether the network is connected. If the ping is not general, the cause of the failure can be found in the following ways:1.

The Ping Command is the most commonly used command by network administrators. It is used to diagnose network connection faults, mainly the connection status between the terminal and the router, and between the router and the DNS server. Of course, it is also a common network command for intruders. The purpose is to send a specific form of ICMP packet (Simple Network Management Protocol) to request the host's response, and then obtain some host attribu

A ping is a communication protocol that is part of the IP protocol, a portion of the TCP/IP protocol. It can be used to check if the network is able to connect, so it can help us to analyze and determine the network fault. The application format is: Ping IP address. But service-enabled pings can sometimes cause a lot of trouble.As a result, Linux server administrators can restrict the server from pinging ot

I want to throw out another 10 posts before the end of 2014, ~ (>_ 2 ways Python detects whether a server is ping 1, the first comparison is to call the shell with Ping,python, this applies to a small number of servers, hundreds of has been very slow (of course, the Python synchronization method, if Nodejs asynchronous way is still very fast, but Nodejs CPU calculation, So try the next only about 200

How to use the ping command to determine network failures: In addition to daily life, many enterprises can not be separated from the network, such as e-mail business Contacts, VoIP and real-time Internet telephony applications, VPN information exchange, etc. also for enterprises to improve the efficiency and save a large part of the cost. Therefore, this kind of application has given people a kind of dependence. Ask, if your computer is not able to

Frequent use of PING commands can cause network congestion, reduce transmission efficiency, and generally deny users ping servers in order to avoid malicious network attacks. For this to happen, not only can you set it up in a firewall, you can set it up on a router, but you can also take advantage of the capabilities of the Windows 2000/2003 system itself. Either way, the deny

What is ping? Often a netizen asked me this question, in fact, the word ping originally originated from the sonar detection system, intended to refer to the pulse signal from the sonar equipment. In the development of the Internet, the process of detecting the connectivity between two nodes in the network is very similar to the sonar detection process, so the name "ping