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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.
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What's the best way to build a string of delimited items in Java?
While working in a Java app, I recently needed to assemble a comma-delimited list of values to pass to another web service without knowing how many elements there would be in advance. The best I could come up with off the top of my head was something like this:
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Setting dynamic scope variables in AngularJs - scope.
...one please add a new answer to the question!
Here is the example:
var the_string = 'life.meaning';
// Get the model
var model = $parse(the_string);
// Assigns a value to it
model.assign($scope, 42);
// Apply it to the scope
// $scope.$apply(); <- According to comments, this is no longer need...
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...
Using comparison operators in Scala's pattern matching system
...t; println("less than ten")
}
Edit: Note that this is more than superficially different to putting an if after the =>, because a pattern won't match if the guard is not true.
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What does “Auto packing the repository for optimum performance” mean?
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Short version: it means what it says, and if you just let it finish, all will be well.
During most operations which can potentially increase the number of loose (unpacked) objects in the repository (including pushes), Git invokes git gc --auto. If there are enough loose objects (by default, a...
Why should we include ttf, eot, woff, svg,… in a font-face
...es it possible to host fonts in a way that throws away bits that are critically important for system installation, but irrelevant for the web (making people worried about piracy happy) and allows for internal compression to better suit the needs of the web (making users and hosts happy). This become...
Unit testing for C++ code - Tools and methodology [closed]
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Applying unit tests to legacy code was the very reason Working Effectively with Legacy Code was written. Michael Feathers is the author - as mentioned in other answers, he was involved in the creation of both CppUnit and Cpp...
UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
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viewDidLoad is things you have to do once. viewWillAppear gets called every time the view appears. You should do things that you only have to do once in viewDidLoad - like setting your UILabel texts. However, you may want to modify a specific part of the view every time the user gets to v...
How to query nested objects?
...iness logic, then run a single query at the end: find(conditions, fields, callback);
– Ryan Wheale
May 21 '14 at 2:17
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