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How do you round a floating point number in Perl?
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Output of perldoc -q round
Does Perl have a round() function? What about ceil() and floor()?
Trig functions?
Remember that int() merely truncates toward 0. For rounding to a certain number of digits, sprintf() or printf() is usually the easiest
route.
printf("%.3f", 3.1415926535)...
Mockito - difference between doReturn() and when()
...hen(...) is equivalent to when(...).thenReturn(...) . So, my question is what is the point of having two methods that do the same thing or what is the subtle difference between doReturn(...).when(...) and when(...).thenReturn(...) ?
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Blocks and yields in Ruby
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What about code like this? person.do_with_name {|string| yield string, something_else }
– f.ardelian
Nov 24 '12 at 21:11
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What is the difference between persist() and merge() in JPA and Hibernate?
What is the difference between persist() and merge() in Hibernate?
4 Answers
4
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Python CSV error: line contains NULL byte
...ly message, should be "NUL") byte in your file, then you need to check out what is in your file. I would suggest that you do this even if using 'rb' makes the problem go away.
repr() is (or wants to be) your debugging friend. It will show unambiguously what you've got, in a platform independant fas...
How to Set Variables in a Laravel Blade Template
... variables inside a template for use later. I can't do {{ $old_section = "whatever" }} because that will echo "whatever" and I don't want that.
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Android ClassNotFoundException: Didn't find class on path
I'm not really sure what is causing it as it is correctly listed in the manifest:
37 Answers
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raw_input function in Python
What is the raw_input function? Is it a user interface? When do we use it?
7 Answers
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Purpose of Unions in C and C++
...an provide accommodations to a relatively large number of people, which is what hotels are for.
That's exactly what union does. If you know that several objects in your program hold values with non-overlapping value-lifetimes, then you can "merge" these objects into a union and thus save memory. Ju...
ggplot with 2 y axes on each side and different scales
... Your link rotted away. Could you edit your answer and post a summary of what it used to say?
– Zach
Feb 12 '15 at 17:48
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