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Best way to Format a Double value to 2 Decimal places [duplicate]
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No, there is no better way.
Actually you have an error in your pattern. What you want is:
DecimalFormat df = new DecimalFormat("#.00");
Note the "00", meaning exactly two decimal places.
If you use "#.##" (# means "optional" digit), it will drop trailing zeroes - ie new DecimalFormat("#.##")...
How to calculate the intersection of two sets? [duplicate]
...intersection.retainAll(s2);
The javadoc of retainAll() says it's exactly what you want:
Retains only the elements in this set that are contained in the specified collection (optional operation). In other words, removes from this set all of its elements that are not contained in the specified c...
How can I convert a series of images to a PDF from the command line on linux? [closed]
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what if page*.png does not sort the images in the way you want ? e.g. page_1.png, page_2.png ... page_10.png -> page_10 will appear before page_1
– vcarel
Jul 17 '13 at 0:29
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Create a symbolic link of directory in Ubuntu [closed]
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That's what ln is documented to do when the target already exists and is a directory. If you want /etc/nginx to be a symlink rather than contain a symlink, you had better not create it as a directory first!
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How do I fetch a branch on someone else's fork on GitHub? [duplicate]
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What does that last line do?
– Andrew Downes
Jul 10 '15 at 15:43
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CSS display: inline vs inline-block [duplicate]
...entioned in the question I know it behaves as a block element. I am asking what does "behave as a block element" means.
– user926958
Feb 8 '12 at 8:57
3
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How do I convert hex to decimal in Python? [duplicate]
...-width two's complement format, but that would be a different problem than what was asked here. (Hint: use the struct module in that case.)
– Sven Marnach
May 20 '16 at 11:32
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How to change a string into uppercase
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@yvesBaumes what do you mean by "char type"? Python does not have chars. Only strings with length of 1
– Ayxan Haqverdili
Jul 26 '19 at 19:19
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How to stop Flask from initialising twice in Debug Mode? [duplicate]
...et("WERKZEUG_RUN_MAIN") == "true":
# The reloader has already run - do what you want to do here
However, the condition is a bit more convoluted when you want the behavior to happen any time except in the loading process:
if not app.debug or os.environ.get("WERKZEUG_RUN_MAIN") == "true":
#...
How to create a link to a directory [closed]
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'hard link not allowed for directory' is what my debian says
– zbig
Feb 17 '17 at 17:12
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