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Why does the expression 0 < 0 == 0 return False in Python?
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I believe Python has special case handling for sequences of relational operators to make range comparisons easy to express. It's much nicer to be able to say 0 < x <= 5 than to say (0 < x) and (x <= 5).
These are called chained comparisons. And th...
Interface vs Base class
When should I use an interface and when should I use a base class?
38 Answers
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What is the difference between HTTP status code 200 (cache) vs status code 304?
... cache them (e.g. future-dated Expires or Cache-Control: max-age headers), and that at the time you triggered the new request, those cached objects were still stored in local cache and had not yet expired.
304s, on the other hand, are the response of the server after the browser has checked if a fi...
How does View Controller Containment work in iOS 5?
...r containers, analogous to UITabBarController , UINavigationController , and the like.
2 Answers
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how do I insert a column at a specific column index in pandas?
Can I insert a column at a specific column index in pandas?
4 Answers
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How do you stretch an image to fill a while keeping the image's aspect-ratio?
... The solution is almost right, you just have to invert the height and width in the css : if the image is 'tall', then the width should be 100% not the height (wich will be bigger and overflowing). The other way around for the wide photos.
– mbritto
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Which is better in python, del or delattr?
...ructions generated inside a function, where the compiler can use LOAD_FAST and LOAD_GLOBAL]
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How do I parse a string into a number with Dart?
I would like to parse strings like "1" or "32.23" into integers and doubles. How can I do this with Dart?
5 Answers
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class name and method name dropdown list is missing (visual studio setting)
Does anyone know how to get my class name and method name dropdown lists again? It's the dropdown lists that are usually above the code. It's just a setting but i can't seem to find it. I don't want to reset my setting btw. I shouldn't have to.
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RSpec controller testing - blank response.body
...l always returns an empty string. In browser everything renders correctly, and cucumber feature tests seem to get it right, but RSpec fails each and every time.
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