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Django self-referential foreign key
I'm kind of new to webapps and database stuff in general so this might be a dumb question. I want to make a model ("CategoryModel") with a field that points to the primary id of another instance of the model (its parent).
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How to create abstract properties in python abstract classes
In the following code, I create a base abstract class Base . I want all the classes that inherit from Base to provide the name property, so I made this property an @abstractmethod .
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What does the tilde (~) mean in my composer.json file?
I have this line in my composer.json file:
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Selecting an element in iFrame jQuery
In our application, we parse a web page and load it into another page in an iFrame. All the elements in that loaded page have their tokenid-s. I need to select the elements by those tokenid-s. Means - I click on an element on the main page and select corresponding element in the page in the iFrame. ...
Can anybody push to my project on github?
I am new to git as well as github. I set up a repo on github, and I can push local stuff to this remote repo. Now here is the question: just after I push something to the remote repo, and I refresh the page, I can see the changes are uploaded(for example, if I wrote a readme.txt and push it to the r...
MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
I have a SQL query where I want to insert multiple rows in single query. so I used something like:
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Mocking objects with Moq when constructor has parameters
I have an object I'm trying to mock using moq. The object's constructor has required parameters:
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Using SignalR with Redis messagebus failover using BookSleeve's ConnectionUtils.Connect()
I am trying to create a Redis message bus failover scenario with a SignalR app.
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Java “user.dir” property - what exactly does it mean?
I want to use user.dir dir as a base dir for my unit tests (that creates a lot of files). Is it correct that this property points to the current working directory (e.g. set by the 'cd' command)?
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How can I dynamically create a selector at runtime with Objective-C?
I know how to create a SEL at compile time using @selector(MyMethodName:) but what I want to do is create a selector dynamically from an NSString . Is this even possible?
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