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What is a “surrogate pair” in Java?
I was reading the documentation for StringBuffer , in particular the reverse() method. That documentation mentions something about surrogate pairs . What is a surrogate pair in this context? And what are low and high surrogates?
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Quit and restart a clean R session from within R?
Is there a way I can make an alias, within R, that will execute q() and then restart a clean R session?
12 Answers
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How to find keys of a hash?
I know in javascript Objects double as hashes but i have been unable to find a built in function to get the keys
9 Answers...
Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
Can someone explain this (straight from the docs - emphasis mine):
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How to make a new List in Java
We create a Set as:
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How to drop all user tables?
How can I drop all user tables in oracle?
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Git hook to send email notification on repo changes
How do I configure the appropriate Git hook to send a summary email whenever a set of changes is pushed to the upstream repository?
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Original purpose of ? [closed]
I am curious about the original purpose of the <input type="hidden"> tag.
5 Answers
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How can I find a specific element in a List?
My application uses a list like this:
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How to find if a given key exists in a C++ std::map
I'm trying to check if a given key is in a map and somewhat can't do it:
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