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round up to 2 decimal places in java? [duplicate]
...ave read a lot of stackoverflow questions but none seems to be working for me. i am using math.round() to round off.
this is the code:
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Order discrete x scale by frequency/value
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# Manual levels
cyl_table <- table(mtcars$cyl)
cyl_levels <- names(cyl_table)[order(cyl_table)]
mtcars$cyl2 <- factor(mtcars$cyl, levels = cyl_levels)
# Just to be clear, the above line is no different than:
# mtcars$cyl2 <- factor(mtcars$cyl, levels = c("6","4","8"))
# You can man...
How to make IntelliJ IDEA insert a new line at every end of file?
...ew line unless I explicitly save the file. This doesn't quite solve it for me unless I'm missing something.
– ShatyUT
Nov 7 '16 at 16:50
1
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What's the best name for a non-mutating “add” method on an immutable collection?
Sorry for the waffly title - if I could come up with a concise title, I wouldn't have to ask the question.
74 Answers
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How to disable / enable dialog negative positive buttons?
...awable.ic_dialog_info);
builder.setTitle("Alert dialog title");
builder.setMessage("This is the example code snippet to disable button if edittext attached to dialog is empty.");
builder.setPositiveButton("PositiveButton",
new DialogInterface.OnClickListener() {
public void onCli...
How to set thousands separator in Java?
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Untested comment on this: Javadoc for getDecimalFormatSymbols() says: Returns: a copy of the desired DecimalFormatSymbols. So you should use setDecimalFormatSymbols(theCopy) after altering the copy.
– java.is.for.de...
How can I save an image with PIL?
I have just done some image processing using the Python image library (PIL) using a post I found earlier to perform fourier transforms of images and I can't get the save function to work. The whole code works fine but it just wont save the resulting image:
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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...e json.dump() and leave it to the file object to encode:
with open('filename', 'w', encoding='utf8') as json_file:
json.dump("ברי צקלה", json_file, ensure_ascii=False)
Caveats for Python 2
For Python 2, there are some more caveats to take into account. If you are writing this to a fil...
Kill detached screen session [closed]
I learned from somewhere a detached screen can be killed by
11 Answers
11
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UITextField auto-capitalization type - iPhone App
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Would you care to elaborate some more HotJard? I d like to know how to paste a text and autocapitalize.
– vnchopra
Aug 24 '14 at 2:04
5...