android – how to prevent webview to load when no internet connection

I have used the following in my projects: DetectConnection.Java import android.content.Context; import android.net.ConnectivityManager; public class DetectConnection { public static boolean checkInternetConnection(Context context) { ConnectivityManager con_manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); return (con_manager.getActiveNetworkInfo() != null && con_manager.getActiveNetworkInfo().isAvailable() && con_manager.getActiveNetworkInfo().isConnected()); } } Main code: if (!DetectConnection.checkInternetConnection(this)) { Toast.makeText(getApplicationContext(), “No Internet!”, Toast.LENGTH_SHORT).show(); } else { wv = (WebView) findViewById(R.id.donate_webView1); c … Read more

How to kill MySQL connections

No, there is no built-in MySQL command for that. There are various tools and scripts that support it, you can kill some connections manually or restart the server (but that will be slower). Use SHOW PROCESSLIST to view all connections, and KILL the process ID’s you want to kill. You could edit the timeout setting … Read more

Laravel Change Connection Dynamically

I will go for a helper here. Let’s create one in app/Helpers/DatabaseConnection.php. namespace App\Helpers; use Config; use DB; class DatabaseConnection { public static function setConnection($params) { config([‘database.connections.onthefly’ => [ ‘driver’ => $params->driver, ‘host’ => $params->host, ‘username’ => $params->username, ‘password’ => $params->password ]]); return DB::connection(‘onthefly’); } } And now somewhere in controller we try use App\Helpers\DatabaseConnection; … Read more

No internet connection on WSL Ubuntu (Windows Subsystem for Linux) [closed]

The reason this error occurs is because Windows automatically generates resolv.conf file with wrong nameserver. To resolve this issue, follow the following steps. Locate the file by running the following command: sudo nano /etc/resolv.conf You will see the following in the file: # This file was automatically generated by WSL. To stop automatic generation of … Read more

mySQL Error 1040: Too Many Connection

MySQL: ERROR 1040: Too many connections This basically tells that MySQL handles the maximum number of connections simultaneously and by default it handles 100 connections simultaneously. These following reasons cause MySQL to run out connections. Slow Queries Data Storage Techniques Bad MySQL configuration I was able to overcome this issues by doing the followings. Open … Read more

RMI connection refused on localhost

The target of Naming.rebind() is the RMI Registry. It has to be running. It wasn’t running. So you couldn’t connect to it. So you got a ConnectException. I believe that the code for Implementation does not matter as it simply is the implemented interface that will run the code. This is both meaningless and irrelevant. … Read more