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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
What is meant by String Pool ? And what is the difference between the following declarations:
5 Answers
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How can I tell how many objects I've stored in an S3 bucket?
Unless I'm missing something, it seems that none of the APIs I've looked at will tell you how many objects are in an S3 bucket / folder(prefix). Is there any way to get a count?
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Multiple RunWith Statements in jUnit
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You cannot do this because according to spec you cannot put the same annotation twice on the same annotated element.
So, what is the solution? The solution is to put only one @RunWith() with runner you cannot stand without and replace other one with someth...
How to create border in UIButton?
I use custom button in my app named "addButton" and I want to border it with white color how can i get the white color border around my custom button?
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bash: shortest way to get n-th column of output
Let's say that during your workday you repeatedly encounter the following form of columnized output from some command in bash (in my case from executing svn st in my Rails working directory):
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Reset C int array to zero : the fastest way?
Assuming that we have a T myarray[100] with T = int, unsigned int, long long int or unsigned long long int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset?
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Return a `struct` from a function in C
Today I was teaching a couple of friends how to use C struct s. One of them asked if you could return a struct from a function, to which I replied: "No! You'd return pointers to dynamically malloc ed struct s instead."
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How to ignore whitespace in a regular expression subject string?
Is there a simple way to ignore the white space in a target string when searching for matches using a regular expression pattern? For example, if my search is for "cats", I would want "c ats" or "ca ts" to match. I can't strip out the whitespace beforehand because I need to find the begin and en...
Virtual functions and performance - C++
In my class design, I use abstract classes and virtual functions extensively. I had a feeling that virtual functions affects the performance. Is this true? But I think this performance difference is not noticeable and looks like I am doing premature optimization. Right?
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GoTo Next Iteration in For Loop in java
Is there a token in java that skips the rest of the for loop?
Something like VB's Continue in java.
6 Answers
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