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Value cannot be null. Parameter name: source
...;
</defaultConnectionFactory>
</entityFramework>
What's happening is that it's looking for a data source in the wrong place; Entity Framework specifies it slightly differently. If you post your connection string and EF config then we can check.
...
CodeIgniter: Create new helper?
...est_method($var = '')
{
return $var;
}
}
Save this to application/helpers/ . We shall call it "new_helper.php"
The first line exists to make sure the file cannot be included and ran from outside the CodeIgniter scope. Everything after this is self explanatory.
Using the Helper...
Why is Node.js single threaded? [closed]
...
And you know what? In my opinion that theory's been borne out. A node.js app that isn't doing CPU intensive stuff can run thousands more concurrent connections than Apache or IIS or other thread-based servers.
The single threaded, async nature does make things complicated. But do you honestly thi...
Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
...e it the accepted answer, though it's more of a workaround (or alternative approach) than an actual fix, but anyways, it is more universally applicable.
– Arc
Jan 16 '15 at 14:31
2...
How to use JNDI DataSource provided by Tomcat in Spring?
... @PavelNiedoba Tomcat uses a "context" for tomcat specific web app configuration. The context file and/or context configuration can be placed in various locations, so I can't give you a definitive answer. A common location is "/META-INF/context.xml". See "Defining a context" section he...
BeanFactory vs ApplicationContext
...ring Framework, I've been playing around with it and putting a few samples apps together for the purposes of evaluating Spring MVC for use in an upcoming company project. So far I really like what I see in Spring MVC, seems very easy to use and encourages you to write classes that are very unit test...
AngularJS - Binding radio buttons to models with boolean values
...
The correct approach in Angularjs is to use ng-value for non-string values of models.
Modify your code like this:
<label data-ng-repeat="choice in question.choices">
<input type="radio" name="response" data-ng-model="choice....
Define css class in django Forms
...ethod="post">
{{ form.non_field_errors }}
<div class="fieldWrapper">
{{ form.subject.errors }}
<label for="id_subject">Email subject:</label>
{{ form.subject }}
</div>
</form>
form.subject is an instance of BoundField which has t...
Compiling/Executing a C# Source File in Command Prompt
...indows\Microsoft.NET\Framework\v3.5\bin\csc.exe
/t:exe /out:MyApplication.exe MyApplication.cs ...
(all on one line)
If you have more than one source module to be compiled, you can put it on that same command line. If you have other assemblies to reference, use /r:AssemblyName.dll...
Problems with DeploymentItem attribute
...
This appears to no longer be required on VS2012. My deployment items are being deployed with "Copy To Output Folder" set to "Do Not Copy".
– Mike
Nov 15 '12 at 21:22
...
