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How do you round a float to two decimal places in jruby
JRuby 1.6.x. How do you round a float to decimal places in jruby.
6 Answers
6
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How to use ng-repeat without an html element
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66
Update: If you are using Angular 1.2+, use ng-repeat-start. See @jmagnusson's answer.
Otherwis...
What does the Ellipsis object do?
...y the slice [:2,:2]:
>>> a
array([[ 1, 2, 3, 4],
[ 5, 6, 7, 8],
[ 9, 10, 11, 12],
[13, 14, 15, 16]])
>>> a[:2,:2] # top left
array([[1, 2],
[5, 6]])
Extending this further, Ellipsis is used here to indicate a placeholder for the rest of the ar...
How to get datetime in JavaScript?
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160
Semantically, you're probably looking for the one-liner
new Date().toLocaleString()
which fo...
Rename multiple files in a directory in Python [duplicate]
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640
Use os.rename(src, dst) to rename or move a file or a directory.
$ ls
cheese_cheese_type.bar ...
Execute code when Django starts ONCE only?
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– Mark Chackerian
May 14 '15 at 1:56
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show 10 more comments
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How to post data to specific URL using WebClient in C#
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edited Aug 11 '12 at 10:36
Alberto León
2,49022 gold badges2121 silver badges2323 bronze badges
answer...
Call Go functions from C
... can assign it its own type:
type ProgressHandler func(current, total uint64, userdata interface{}) int
This handler takes some progress info (current number of files received and total number of files) along with an interface{} value which can hold anything the user needs it to hold.
Now we nee...
How to remove array element in mongodb?
...ection.update(
{ _id: id },
{ $pull: { 'contact.phone': { number: '+1786543589455' } } }
);
It will find document with the given _id and remove the phone +1786543589455 from its contact.phone array.
You can use $unset to unset the value in the array (set it to null), but not to remove it comp...
How to make URL/Phone-clickable UILabel?
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136
You can use a UITextView and select Detection for Links, Phone Numbers and other things in the i...