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How do you calculate log base 2 in Java for integers?
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If you are thinking about using floating-point to help with integer arithmetics, you have to be careful.
I usually try to avoid FP calculations whenever possible.
Floating-point operations are not exact. You can never know for sure what w...
How to find all combinations of coins when given some dollar value
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I looked into this once a long time ago, and you can read my little write-up on it. Here’s the Mathematica source.
By using generating functions, you can get a closed-form constant-time solution to the problem. Graham, Knuth, a...
What's valid and what's not in a URI query?
I've been Googling this back and forth reading RFCs and SO questions trying to crack this, but I still don't got jack.
7 An...
How do you crash a JVM?
I was reading a book on programming skills wherein the author asks the interviewee, "How do you crash a JVM?" I thought that you could do so by writing an infinite for-loop that would eventually use up all the memory.
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Coding Conventions - Naming Enums
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gsamaras
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answered Jun 18 '10 at 13:13
DJClayworthDJC...
Why are empty strings returned in split() results?
...ments str.join, so
"/".join(['', 'segment', 'segment', ''])
gets you back the original string.
If the empty strings were not there, the first and last '/' would be missing after the join()
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How do I escape curly braces for display on page when using AngularJS?
...Mar 13 '18 at 16:27
Magda Stożek
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answered Jun 1 '13 at 1:44
Mike PughMike Pugh
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Using grep to search for a string that has a dot in it
... answered Apr 27 '12 at 7:52
geekosaurgeekosaur
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Difference between \n and \r?
... respectively;-).
But seriously, there are many:
in Unix and all Unix-like systems, \n is the code for end-of-line, \r means nothing special
as a consequence, in C and most languages that somehow copy it (even remotely), \n is the standard escape sequence for end of line (translated to/from OS-sp...
How do I make an Android EditView 'Done' button and hide the keyboard when clicked?
When the user clicks on the EditView , Android opens the keyboard so that user can write in the EditView .
17 Answers
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