connection

问题 This question already has answers here : Sending POST data in Android (15 answers) Closed 2 years ago . I'm new to android and learning it now. I'm working on an application where I was able to get response form a get request successfully. Now I want to execute a POST request with a single parameter this is what I've came up with so far: public class BGTask extends AsyncTask<String, String, String > { @Override protected String doInBackground(String... params) { HttpURLConnection connection =

问题 I am designing a login screen with having internet connectivity but when I run that code it throws connectivity. The connectivity code used in broadcast receiver public class ConnectivityReceiver extends BroadcastReceiver { public static ConnectivityReceiverListener connectivityReceiverListener; public ConnectivityReceiver() { super(); } @Override public void onReceive(Context context, Intent intent) { ConnectivityManager cm = (ConnectivityManager) context .getSystemService(Context

问题 Hi i need to fetch data from another database which is on another host and insert into local database , is it possible to connect two databases at a time 回答1: Yes it is. Please have a look at the Django documentation. 来源： https://stackoverflow.com/questions/14722116/can-we-connect-to-other-database-on-another-host-in-django

问题 There is any Hibernate property o configuration to keep alive always certain number of connection with MySql? Thank you in advance. 回答1: I think you asking about connection pool. You can configure it e.g. using c3p0 Like this <hibernate-configuration> <session-factory> <property name="hibernate.bytecode.use_reflection_optimizer">false</property> <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property> <property name="hibernate.connection.username">root</property>

问题 Using the dropbox core api tutorial I am able to upload a file. However, my question is an exact replica of this SO post--- That is, once I have my authorization code and comment out the user auth lines so that I dont have to manually re-authorize approval every time I use dropbox I get the following errors: Exception in thread "main" com.dropbox.core.DbxException$BadRequest: {"error_description": "code has already been used", "error": "invalid_grant"} OR Exception in thread "main" com

问题 I currently have a Python dataframe that is 23 columns and 20,000 rows. Using Python code, I want to write my data frame into a MSSQL server that I have the credentials for. As a test I am able to successfully write some values into the table using the code below: connection = pypyodbc.connect('Driver={SQL Server};' 'Server=XXX;' 'Database=XXX;' 'uid=XXX;' 'pwd=XXX') cursor = connection.cursor() for index, row in df_EVENT5_15.iterrows(): cursor.execute("INSERT INTO MODREPORT(rowid, OPCODE,

问题 I am struggling a bit with this piece of C# code. Basically, what I'm trying to do is some kind of mechanism to check if, in first place, the user and password combination for my SQL server was correct, and then, check if the database exists. The connection string would be like this: connectionString = "database=test;server=localhost;uid=" + usr.Text + ";pwd=" + pwd.Text; The solution I'm trying to reach is one that can check the exception thrown and tell if it's about a wrong password, a

问题 Once a Login script is executed with few user, I don't see connection reset problem, whereas, when the same is run 100 users, " java.net.SocketException: Connection reset " starts throwing for very first link. What I don't understand is if there is connection problem, then it should even show the same error for single or few users as well. 回答1: This means that your server is rejecting connections because it is either overloaded or misconfigured. It is regular that you don't face it with 1

问题 I am new to classic ASP. I would rather ask question than do hour of research to solve my problem. I am accessing access database and getting the following error. Microsoft OLE DB Provider for ODBC Drivers error '80004005' [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified /default1.asp, line 30 The culprit line is this Set MyConn = Server.CreateObject("ADODB.Connection") MdbFilePath = Server.MapPath("c:\database\MyDatabase.mdb") Well, I do not have

问题 In my android app I have a button that when clicked, opens another class that makes a network call. I am trying to check for a data connection when the button is clicked and if there isn't a connection I want to display a toast message. Here is my onclick method as it stands:- public void GoToZone(View v) { if (android.os.Build.VERSION.SDK_INT > 9) { StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build(); StrictMode.setThreadPolicy(policy); Intent myIntent