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Constructor in an Interface?
I know it's not possible to define a constructor in an interface. But I'm wondering why, because I think it could be very useful.
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Add a UIView above all, even the navigation bar
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edited Mar 22 '19 at 8:37
raed
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405 method not allowed Web API
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You are POSTing from the client:
await client.PostAsJsonAsync("api/products", product);
not PUTing.
Your Web API method accepts only PUT requests.
So:
await client.PutAsJsonAsync("api/products", product);
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Are static class variables possible in Python?
Is it possible to have static class variables or methods in Python? What syntax is required to do this?
21 Answers
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What does int argc, char *argv[] mean?
In many C++ IDE's and compilers, when it generates the main function for you, it looks like this:
8 Answers
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Count number of records returned by group by
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This down side of this solution is that it gives you the answer multiple times (for each combination of column_1, column_2, column_3, column_4). This may or may not be a significant side-effect, depending on how you process the results.
– car...
Visual studio compiles fine but still shows red lines
I am using VS 2012 and it was working all fine until I started observing some funny behavior. When I open my code it shows red Underlines which we usually see when there is an error in our code. Surprisingly, code compiles all fine. I have made following observations that are not normal at all.
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...o get some higher execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated in the original problem.
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How can I represent an 'Enum' in Python?
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Enums have been added to Python 3.4 as described in PEP 435. It has also been backported to 3.3, 3.2, 3.1, 2.7, 2.6, 2.5, and 2.4 on pypi.
For more advanced Enum techniques try the aenum library (2.7, 3.3+, same author as enum34. Code is not perfectly compatible between py2 and py3,...
Detect when browser receives file download
...have a page that allows the user to download a dynamically-generated file. It takes a long time to generate, so I'd like to show a "waiting" indicator. The problem is, I can't figure out how to detect when the browser has received the file, so I can hide the indicator.
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