connection

问题 this is a follow up for my last question which is on: adding connection string during installation of vb.net project this is the code that I have so far but the "Configuration" in the line: Dim config As Configuration = ConfigurationManager.OpenExeConfiguration(exePath) has a blue line and I can't run the program because of it. I converted the C# code to that one and the blue line appears. what I'm trying to do here is to get the a string that I can use for the connection string which will be

问题 I'm little confused about requests module, especially proxies . From documentation: PROXIES Dictionary mapping protocol to the URL of the proxy (e.g. {‘http’: ‘foo.bar:3128’}) to be used on each Request. May there be more proxies of one type in the dictionary? I mean is it possible to put there list of proxies and requests module will try them and use only those which are working? Or there can be only one proxy address for example for http ? 回答1: Using the proxies parameter is limited by the

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 10 years ago . Is it possible to create a connection in a PHP class file and use it in all of the different methods in the class? I am trying to open a connection in the constructor and i get an error when i get to the close connection method saying that the argument that I've provided in the mysql_close() statement isn't a

问题 I'm trying to follow along to this neo4j tutorial and I'm having a problem connecting to the API. Here's my traceback: >>> graph.delete_all() Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/local/lib/python2.7/site-packages/py2neo/core.py", line 748, in delete_all statement = StartOrMatch(self).relationship("r", "*").string + "DELETE r" File "/usr/local/lib/python2.7/site-packages/py2neo/cypher/util.py", line 45, in string if self.graph.supports_start_clause:

问题 I am experiencing problems with the "heroku run rake db:migrate" command. It complains about an " ! Heroku client internal error", see below for the entire thing. Git push and heroku create work (see below), but finally rake db:migrate crashes. What can I do? All the best Stefan Below is what I enter and get from Heroku. C:\Sites\demo_app_rt32>git push -u origin master Enter passphrase for key '/z/.ssh/id_rsa': Counting objects: 102, done. Delta compression using up to 4 threads. Compressing

问题 Struggling this after replacing neo4j-jdbc client with Apache http client. Seems like we still have issues when running only 1k concurrent users that execute our query. This is how we using the client: https://gist.github.com/IdanFridman/1989b600a0a032329a5e this is how we execute the query using that rest-client: https://gist.github.com/IdanFridman/22637f95ba696f498b6c after profiling we see the above bad performance results: With avg latency of 3 seconds per request. Should we ditch neo4j?

问题 I see this thread but it could not help me much. 回答1: Use ConnectivityManager and getActiveNetworkInfo() . 来源： https://stackoverflow.com/questions/3642267/android-how-can-we-know-the-current-connection-type-ex-wifi-3g-2g-progr

问题 I have some issues with the conection between java application and mysql. This is my file(this file work very well): import java.sql.*; import javax.swing.JFrame; public class MysqlConnect{ public static void main(String[] args) throws SQLException { Connection conn = null; String url = "jdbc:mysql://localhost:3306/"; String dbName = "jdbctutorial"; String driver = "com.mysql.jdbc.Driver"; String userName = "birthday"; String password = "123456"; try { Class.forName(driver).newInstance();

问题 I try to run docker-compose up to build django app but I got this error message. Building web Step 1/6 : FROM python:2.7 ---> bfa54426aeda Step 2/6 : ENV PYTHONUNBUFFERED 1 ---> Using cache ---> 52295fd3b228 Step 3/6 : RUN mkdir /deniz1 ---> Using cache ---> dff17bbae4d8 Step 4/6 : WORKDIR /deniz1 ---> Using cache ---> 0f95497fe436 Step 5/6 : ADD . /deniz1/ ---> Using cache ---> 750b3033f58d Step 6/6 : RUN pip install --upgrade -r requirements.txt ---> Running in 0559d5fd6935 Processing .

问题 I want to create an installer wherein the user specifies where the connection string of the database. I've seen a articles like this but they're in C#. like this one: http://www.codeproject.com/Tips/446121/Adding-connection-string-during-installation I also tried to translate the code into vb.net but there are some errors I can't fix. If anyone can tell me how to do it or any article that might help me is really a great help. I want to do this in my vb.net project not in C# 回答1: Here is the