internet-connection

Without internet connection, how xmlns attribute can work and understand by browser?

梦想的初衷 提交于 2019-12-18 16:10:30
问题 A simple XHTML document, with the minimum of required tags: and xmlns attribute has a http link. If I am working on localhost and if I don't have an Internet connection, can't I work on XHTML? <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Title of the document</title> </head> <body> The content of the document...... </body> </html> 回答1: The XML namespace is just there to identify elements based on a namespace, which happens to be in a URI format. See the XML Namespaces spec. In

JQuery Mobile Detected if there's internet Connection

别来无恙 提交于 2019-12-18 13:16:09
问题 What is the best way to detect if there's internet connection or not on my mobile via my web app? 回答1: There's no code necessary for this -- it's part of the HTML5 API. Check the value of window.navigator.onLine -- it will be false if the user is offline. http://www.whatwg.org/specs/web-apps/current-work/multipage/offline.html#browser-state 回答2: An option might be changing the Ajax settings to add a specific timeout , then add an error handler that looks for a textStatus (second argument) of

Check internet connection in android (not network connection)

一个人想着一个人 提交于 2019-12-18 07:17:45
问题 I have a problem with checking internet connection in android at runtime. I use some different methods to check internet connection but i don't know which one is better . because each of them have some problems . Method 1 check internet connection by pinging Google : Runtime runtime = Runtime.getRuntime(); try { Process mIpAddressProcess = runtime.exec("/system/bin/ping -c 1 8.8.8.8"); int mExitValue = mIpAddressProcess.waitFor(); return mExitValue == 0; } catch (InterruptedException |

How to detect working internet connection in C#?

家住魔仙堡 提交于 2019-12-17 10:23:20
问题 I have a C# code that basically uploads a file via FTP protocol (using FtpWebRequest ). I'd like, however, to first determine whether there is a working internet connection before trying to upload the file (since, if there isn't there is no point in trying, the software should just sleep for a time and check again). Is there an easy way to do it or should I just try to upload the file and in case it failed just try again, assuming the network connection was down? 回答1: Just use the plain

Determine in php script if connected to internet?

假如想象 提交于 2019-12-17 07:07:30
问题 How can I check if I'm connected to the internet from my PHP script which is running on my dev machine? I run the script to download a set of files (which may or may not exist) using wget. If I try the download without being connected, wget proceeds to the next one thinking the file is not present. 回答1: <?php function is_connected() { $connected = @fsockopen("www.example.com", 80); //website, port (try 80 or 443) if ($connected){ $is_conn = true; //action when connected fclose($connected);

Determine in php script if connected to internet?

混江龙づ霸主 提交于 2019-12-17 07:07:09
问题 How can I check if I'm connected to the internet from my PHP script which is running on my dev machine? I run the script to download a set of files (which may or may not exist) using wget. If I try the download without being connected, wget proceeds to the next one thinking the file is not present. 回答1: <?php function is_connected() { $connected = @fsockopen("www.example.com", 80); //website, port (try 80 or 443) if ($connected){ $is_conn = true; //action when connected fclose($connected);

NetworkOnMainThreadException While I see if I have internet connection [closed]

女生的网名这么多〃 提交于 2019-12-14 03:29:20
问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . I am trying to check if my mobile device has internet access but I get the following error: 08-13 14:20:48.990: E/AndroidRuntime(2546): FATAL EXCEPTION: main 08-13 14:20:48.990: E/AndroidRuntime(2546): java.lang

Notification when WiFi connection available

╄→尐↘猪︶ㄣ 提交于 2019-12-13 04:52:54
问题 I need a notification when device has WiFi connection is available or Device get connect via WiFi. I need to do some stuff only when WiFi is available. I have used following code from Reachability: BOOL status=true; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(checkNetworkStatus:) name:kReachabilityChangedNotification object:nil]; internetReachability = [Reachability reachabilityForInternetConnection]; [internetReachability startNotifier]; NetworkStatus

How to use the WinInet API from Java?

China☆狼群 提交于 2019-12-12 17:25:42
问题 According to this answer to an earlier question of mine, the WinInet Windows API is the correct way to read and write internet connection settings in Windows. How can I use this API from Java? I'd prefer a free, open-source solution. 回答1: There's always JNI and JNA, but if you don't already know C or C++ there'll be a learning curve involved, especially with JNI: JNI Reference, JNA Site 回答2: Over the last months I had to mix with my Java project some C, C++ and Win32 alternatives for native

No internet connection on Android emulator

一笑奈何 提交于 2019-12-12 04:19:08
问题 When i use an AVD with Android 4.0.3 specified as target I can use the browser and view the pages. But when I use Google API as target I have no connection(i get the next error: "This application requires a working data connection"). I start both AVDs with the same parameters: C:\Users\blahblah\android-sdk-windows\tools>emulator.exe -avd AvdName -http-proxy http://123.456.789.123:5678 (Not the actual proxy adress =) ). What could be the problem? 回答1: Please check whether you can see the 3g