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Getting an element from a Set
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There would be no point of getting the element if it is equal. A Map is better suited for this usecase.
If you still want to find the element you have no other option but to use the iterator:
public static void main(String[] args) {
Set<Foo> set = new HashSet<...
return, return None, and no return at all?
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On the actual behavior, there is no difference. They all return None and that's it. However, there is a time and place for all of these.
The following instructions are basically how the different methods should be used (or at least how I was taught they ...
Are HTTPS headers encrypted?
When sending data over HTTPS, I know the content is encrypted, however I hear mixed answers about whether the headers are encrypted, or how much of the header is encrypted.
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Is there a difference between copy initialization and direct initialization?
Suppose I have this function:
9 Answers
9
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How did I get a value larger than 8 bits in size from an 8-bit integer?
I tracked down an extremely nasty bug hiding behind this little gem. I am aware that per the C++ spec, signed overflows are undefined behavior, but only when the overflow occurs when the value is extended to bit-width sizeof(int) . As I understand it, incrementing a char shouldn't ever be undefin...
MYSQL OR vs IN performance
I am wondering if there is any difference in regards to performance between the following
14 Answers
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String's Maximum length in Java - calling length() method
In Java , what is the maximum size a String object may have, referring to the length() method call?
7 Answers
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Are the days of passing const std::string & as a parameter over?
... largely gone. He suggested that writing a function such as the following is now preferable:
13 Answers
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Where does mongodb stand in the CAP theorem?
Everywhere I look, I see that MongoDB is CP.
But when I dig in I see it is eventually consistent.
Is it CP when you use safe=true? If so, does that mean that when I write with safe=true, all replicas will be updated before getting the result?
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How to split one string into multiple strings separated by at least one space in bash shell?
... loop? Bash, for one, will split on whitespace automatically.
sentence="This is a sentence."
for word in $sentence
do
echo $word
done
This
is
a
sentence.
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