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How to properly override clone method?
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Do you absolutely have to use clone? Most people agree that Java's clone is broken.
Josh Bloch on Design - Copy Constructor versus Cloning
If you've read the item about cloning in my book, especially if you read between ...
What is the difference between a thread and a fiber?
...d stop in well-defined places so data integrity is much less of an issue", Do you mean that when sharing variables, we do not need to use "locking mechanisms" and volatile variables? Or do you mean that we still need to do those things?
– Pacerier
Jun 18 '15 at...
How to remove only underline from a:before?
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As far as I can see, this does not work in Internet Explorer (tested 8-10). Any ideas how to deal with IE?
– Linus Caldwell
Oct 17 '13 at 17:08
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How can I rollback a github repository to a specific commit?
... edited Nov 13 '15 at 2:00
SeldomNeedy
7121010 silver badges1919 bronze badges
answered Dec 7 '10 at 1:03
jt...
How to find a Java Memory Leak
How do you find a memory leak in Java (using, for example, JHat)? I have tried to load the heap dump up in JHat to take a basic look. However, I do not understand how I am supposed to be able to find the root reference ( ref ) or whatever it is called. Basically, I can tell that there are several hu...
How to normalize a NumPy array to within a certain range?
After doing some processing on an audio or image array, it needs to be normalized within a range before it can be written back to a file. This can be done like so:
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How do I create test and train samples from one dataframe with pandas?
...and I was wondering how I would be able to split the dataframe into two random samples (80% and 20%) for training and testing.
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SVN undo delete before commit
...tted yet, it's not obvious how to get it back. Google even suggests "svn undo delete before commit" as a common query when you type "svn undo d", but the search results are unhelpful.
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String formatting in Python 3
I do this in Python 2:
4 Answers
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What is the difference between user and kernel modes in operating systems?
What are the differences between User Mode and Kernel Mode, why and how do you activate either of them, and what are their use cases?
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