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explicit casting from super class to subclass
... telling the compiler "trust me. I'm a professional, I know what I'm doing and I know that although you can't guarantee it, I'm telling you that this animal variable is definitely going to be a dog."
Since the animal isn't actually a dog (it's an animal, you could do Animal animal = new Dog(); and ...
Handling the window closing event with WPF / MVVM Light Toolkit
I'd like to handle the Closing event (when a user clicks the upper right 'X' button) of my window in order to eventually display a confirm message or/and cancel the closing.
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How to check if a user is logged in (how to properly use user.is_authenticated)?
...ng. I need to check if the current site user is logged in (authenticated), and am trying:
6 Answers
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Node.js Best Practice Exception Handling
... days ago. I've realized that the Node is terminated whenever I have an unhandled exception in my program. This is different than the normal server container that I have been exposed to where only the Worker Thread dies when unhandled exceptions occur and the container would still be able to receive...
Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit
... state that the SSDL does not exist. You can drag entities, associate them and so forth and yet, if you take a look at the SSDL on the EDMX file, you will see that none of the entities have an associated storage table in the SSDL.
That changes when you click the Generate Database From Model context...
A weighted version of random.choice
I needed to write a weighted version of random.choice (each element in the list has a different probability for being selected). This is what I came up with:
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How to manually set an authenticated user in Spring Security / SpringMVC
.... This code is used within a Spring Webflow flow, hence the RequestContext and ExternalContext classes. But the part that is most relevant to you is the doAutoLogin method.
public String registerUser(UserRegistrationFormBean userRegistrationFormBean,
RequestContext reque...
How to disable phone number linking in Mobile Safari?
... the telephone numbers. I am writing a web page containing an IP address, and Safari is turning that into a phone number link. Is it possible to disable this behavior for a whole page or an element on a page?
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How to work around the lack of transactions in MongoDB?
...rd I don't wish to follow because it seems that many things could go wrong and I can't test it in every aspect. I'm having a hard time refactoring my project to perform atomic operations. I don't know whether this comes from my limited viewpoint (I have only worked with SQL databases so far), or whe...
Chrome extension: accessing localStorage in content script
I have an options page where the user can define certain options and it saves it in localStorage: options.html
3 Answers
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