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Error: “The query builder failed. Cannot open user default database. Login failed. Login failed for user <User Name>”
Category : Programming Languages

I'm using Visual Basic Express 2010 and SQL Express 2008 in Windows XP.

At first I couldn't add a datasource (the .mdf file for the database) because of a "Operating system error 32" which I seemed to have resolved by giving myself full permissions for .mdf file (by right clicking on the file and going into properties and then Security) and restarting the SQL SERVER (SQLEXPRESS) se

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iOS-Hierarchy-Viewer build failed : linker command failed with exit code 1
Category : Operating Systems

I find a project called "iOS-Hierarchy-Viewer" that can inspect the ios native Views.
so I create a project called "ViewViewer" and do as the workaround of the "Installation" just README.md describles.
however, when I build it, and failed.


Ld /Users/hundsun/Library/Developer/Xcode/DerivedData/iphone-gsuyenresnoeexcuqguzciigntxr/Build/Products/Debug-i

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[function.file-get-contents]: failed to open stream: HTTP request failed
Category : Programming Languages

Here is a snippet of my code:

$json = new Services_JSON();
$value=array('jsonrpc'=>'2.0', 'method'=>'methodname', 'params'=>array('param1',"param2"),'id'=>1);
$output = $json->encode($value);
$opts = array(
'header'=>"Accept: application/j

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Proxy--channel 1: open failed: connect failed: Connection timed out
Category : Programming Languages

I am trying to forward a web crawler's network traffic to multiple machines. I wrote some Python script using the module socksipy. The proxy corresponding code is

sock = socks.socksocket()
sock.setproxy(socks.PROXY_TYPE_SOCKS5, "", port)

Also, I created 10 ssh tunnels to 10 remote machines respectively by using the command


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I am getting an “Installation Failed” message when I install my app with InstallShield. Is there a way for me to see why it failed?
Category : Programming Languages

For clarity, the application still works after the Installation Failed message, so it appears to be installed correctly. I just can't release the application if people are going to see this message whether the app works or not.

I have no idea why it's showing me that message.

I'm using InstallShield SE (comes with Visual Studio 2010).

I've added

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How to fix php Warning: file_get_contents?failed to open stream: HTTP request failed
Category : PHP

How to fix php Warning: file_get_contents?

Warning: file_get_contents( [function.file-get-contents]: failed to open stream: HTTP request failed! HTTP/1.1 400 Bad Request in /Applications/XAMPP/xamppfiles/htdocs/PHP_test/index.php on line 49

Here is code related to $fi

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Publishing web project to azure failed: The “IsolatedCSPack” task failed unexpectedly
Category : Web Design

I have web application that I want to publish and upload to windows azure.
I use Visual Studio 2008.
I click on "publish", chose "Create Service Package Only" in "Publish Cloud Service" window, andclick on "OK".
The publish failed tnd the exception is:

Error 26 The "IsolatedCSPack" task failed unexpectedly.
System.OutOfMemoryException: Exception of type 'System.O

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Intermittent Channel.Connect.Failed error NetConnection.Call.Failed:HTTP: Failured: url
Category : Programming Languages

We have a Flex application that sometimes throws this error Intermittent Channel.Connect.Failed error NetConnection.Call.Failed:HTTP: Failured: url 'http://nsmjboss:8400/backbone/messagebroker/amf'

I can hit that link in a brewer and it works fine, and I don't see any errors in our logs.
My services-config.xml


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Heroku Mailer Delayed Job failed with ArgumentError: wrong number of arguments (0 for 1) - 0 failed attempts
Category : Programming Languages

I have created two mailers, one of which is not working in production on Heroku. The other mailer has been tested and it works, so I know the email configuration with sendgrid is working.

I have an invitations model:

class Invitation < ActiveRecord::Base
attr_accessible :recipient_email, :sender_id, :sent_at, :token
belongs_to :sender, :class_name =&g

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nginx and unicorn bad gatewayconnect() to unix:/tmp/mobile.socket failed AND failed (111: Connection refused)
Category : Programming Languages

I am (trying) to set up an ubuntu 11.04 server on rackspace to run a rails 3.2 app with nginx and unicorn.
I found this awesome blog http://techbot.me/2010/08/deployment-recipes-deploying-monitoring-and-securing-your-rails-application-to-a-clean-ubuntu-10-04-install-using-nginx-and-unicorn/ that has helped me massively and apart from mysql setup issues I think I have everything nailed exce

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