connection

问题 The following code: Class.forName("com.mysql.jdbc.Driver"); Connection m_connection = DriverManager.getConnection("jdbc:mysql://localhost","root","root"); Throws this exception on getConnection() : java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1074) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4074) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4006) at com.mysql.jdbc

问题 How can you update data with Internet connection, but without any permission, like in this android app? https://play.google.com/store/apps/details?id=org.youcorp.matchschedule.eu http://img5.fotos-hochladen.net/uploads/screenshot2014ty0vjlxsu7.png 回答1: You have to write the permission android.permission.INTERNET in the Manifest file. There's no way around it. But as of the latest Play Store update (4.8.19), the Internet Permission won't show up on the dialog. That's why the text says "does

问题 I'm currently building an online booking form as a project and once the user hits the submit button it sends an email with the details to a specified email and stores everything in an database. Currently this is all working fine and well on a localhost set up. I have a domain name with a current live website and when i upload this new website as an extra page it still preforms the sending of the email but won't load anything into my database. I'm almost certain it's because my php script for

问题 I am running on php. And in my local I am working on windows environment so it was easy to connect to MS Access Database using ODBC connector. But on my live server environment there is Linux so there is a problem regarding the DB connection. So what are the steps to connect to MS Access DB in Linux environment using php. Thanks Avinash 回答1: This isn't directly answering your question either, but it is another way to solve the problem of wanting to use Access to update web data: You can port

问题 I have been trying to access 2016 MS Excel file using C#, but connection string is working only till 2013 MS Excel. My current connection string: Provider=Microsoft.ACE.OLEDB.12.0;Data Source=c:\myFolder\myExcel2007file.xlsx; Extended Properties="Excel 12.0 Xml;HDR=YES"; Is there any modified oledb connection string for MS Excel 2016? 回答1: This occurred for me after upgrading from a local install of Office 13 to Office 16 through the Office 365 program. I was getting this exception: The

问题 I want to make the connection automated. Facing the below issue while running the code. tried adding disconnect but it didn't work. The system is getting connected and data is being transferred. once the connection is lost and when the system tries to reconnect I am facing the issue. import socket,time client=socket.socket(socket.AF_INET,socket.SOCK_STREAM) client.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) ip = '192.168.xx.x' port = 4xxx address = (ip,port) def connect(): try:

问题 When using multiprocessing Manager objects to create a server and connect remotely to that server, the client needs to maintain a connection to the remote server. If the server goes away before the client shuts down, the client will try to connect to the expected address of the server forever. I'm running into a deadlock on client code trying to exit after the server has gone away, as my client process never exits. If I del my remote objects and my clients manager before the server goes down,

问题 I've created a method to check if my app is able to connect to my server using OkHttp. This is my test class: public class NetworkTest { static boolean resultWeb = false; public static boolean pingTestWeb() { OkHttpClient client = new OkHttpClient(); Request request = new Request.Builder() .url("http://www.google.com")//My server address will go here .build(); client.newCall(request).enqueue(new Callback() { @Override public void onFailure(Request request, IOException e) { resultWeb = false;

问题 I'm trying to get Tomcat 6.0.20 working with SSL authentication. I used keytool to create a new certificate, put it into my user dir, and set the tomcat authentication to this (server.xml): (Omitted) --> <Server port="8005" shutdown="SHUTDOWN"> <!--APR library loader. Documentation at /docs/apr.html --> <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" SSLRandomSeed="builtin" /> <!--Initialize Jasper prior to webapps are loaded. Documentation at /docs/jasper

问题 I want to make a client that connects to a SQL Server and has full access. How do I make it so others wont see the connection string for the SQL Server and access it via other db editors? I know that .NET apps can be decompiled so I'm afraid for my server. 回答1: Here's a not-so-secure reference implementation of a simple connection string encryption/decryption mechanism. First of all, encode your connection string by using the Base64 encoding scheme. Unencoded Connection String: server