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What is the difference between dict.items() and dict.iteritems() in Python2?
Are there any applicable differences between dict.items() and dict.iteritems() ?
10 Answers
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Hibernate Annotations - Which is better, field or property access?
... Note this is about how the ORM accesses your fields/properties and not your application code. With field access your getNickName() method would work exactly as you'd expect. The same is not true if you use the persistent 'properties' outside getters/setters. That is where you may hit i...
boundingRectWithSize for NSAttributedString returning wrong size
...ng, but the boundingRectWithSize call is not respecting the size I pass in and is returning a rect with a single line height as opposed to a large height (it is a long string). I have experimented by passing in a very large value for the height and also 0 as in the code below, but the rect returned ...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...erally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that it has something to do with having to make a lot of database queries for something that seems simple in the object world.
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Which version of the git file will be finally used: LOCAL, BASE or REMOTE?
...merge , I open a mergetool called Meld . It opens three files LOCAL, BASE and REMOTE. As I've read LOCAL is my local branch, BASE is common ancestor and REMOTE is the branch to be merged.
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What's is the difference between train, validation and test set, in neural networks?
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The training and validation sets are used during training.
for each epoch
for each training data instance
propagate error through the network
adjust the weights
calculate the accuracy over training data
fo...
Difference between object and class in Scala
I'm just going over some Scala tutorials on the Internet and have noticed in some examples an object is declared at the start of the example.
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Using Emacs as an IDE
...o two, the bottom being a shell which I use to type in compile or make commands, and the top is often some sort of documentation or README file that I want to consult while I am working. Now I know there are some pretty expert Emacs users out there, and I am curious what other Emacs functionally is...
Default constructor vs. inline field initialization
What's the difference between a default constructor and just initializing an object's fields directly?
5 Answers
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Keep-alive header clarification
I was asked to build a site , and one of the co-developer told me That I would need to include the keep-alive header.
1 An...