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Creating an empty Pandas DataFrame, then filling it?
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Best practices for circular shift (rotate) operations in C++
...lso an earlier version of this answer on another rotate question with some more details about what asm gcc/clang produce for x86.
The most compiler-friendly way to express a rotate in C and C++ that avoids any Undefined Behaviour seems to be John Regehr's implementation. I've adapted it to rotate ...
What is the difference between an int and an Integer in Java and C#?
I was reading More Joel on Software when I came across Joel Spolsky saying something about a particular type of programmer knowing the difference between an int and an Integer in Java/C# (Object-Oriented Programming Languages).
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How to delete a remote tag?
...an 'empty' reference to the remote tag name:
git push origin :tagname
Or, more expressively, use the --delete option (or -d if your git version is older than 1.8.0):
git push --delete origin tagname
Note that git has tag namespace and branch namespace so you may use the same name for a branch and ...
Unable to Cast from Parent Class to Child Class
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The best way to remove duplicate values from NSMutableArray in Objective-C?
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I know this is an old question, but there is a more elegant way to remove duplicates in a NSArray if you don't care about the order.
If we use Object Operators from Key Value Coding we can do this:
uniquearray = [yourarray valueForKeyPath:@"@distinctUnionOfObjects.self"...
Python: most idiomatic way to convert None to empty string?
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What's the best mock framework for Java? [closed]
...he common cases very well, although the few times I needed to do something more complicated I found what I wanted was supported and easy to grasp.
Here's an (abridged) example from the Mockito homepage:
import static org.mockito.Mockito.*;
List mockedList = mock(List.class);
mockedList.clear();
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Should I use past or present tense in git commit messages? [closed]
...f using the past tense, e.g. "Added tests for x" though, which feels a lot more natural to me.
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How do I find out my python path using python?
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(or, more generically ...split(os.sep) ). Can't figure out why you're not getting the love, Mark. Your reply is technically more accurate than Paul D Waite's own reply to his question ????
– mjv
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