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Comma separator for numbers in R?

...rn a vector of characters. I'd only use that for printing. > prettyNum(12345.678,big.mark=",",scientific=FALSE) [1] "12,345.68" > format(12345.678,big.mark=",",scientific=FALSE) [1] "12,345.68" EDIT: As Michael Chirico says in the comment: Be aware that these have the side effect of padd...
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How do I format a string using a dictionary in python-3.x?

...yntax, available since Python 3.6: >>> geopoint = {'latitude':41.123,'longitude':71.091} >>> print(f'{geopoint["latitude"]} {geopoint["longitude"]}') 41.123 71.091 Note the outer single quotes and inner double quotes (you could also do it the other way around). ...
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How to convert a char array to a string?

...e we will lose some data. The possible solution is: cout << string("123\0 123") << endl; cout << string("123\0 123", 8) << endl; Output is: 123 123 123 share | impr...
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How to get the client IP address in PHP [duplicate]

...answered Oct 8 '14 at 16:20 josh123a123josh123a123 1,66511 gold badge1010 silver badges2020 bronze badges ...
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What __init__ and self do on Python?

...iable declared inside an __init__ function: class MyClass(object): i = 123 def __init__(self): self.i = 345 a = MyClass() print(a.i) print(MyClass.i) Output: 345 123 share | ...
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What does [ N … M ] mean in C aggregate initializers?

From sys.c line 123: 1 Answer 1 ...
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Regular expression for matching latitude/longitude coordinates?

...es +90.0, -127.554334 45, 180 -90, -180 -90.000, -180.0000 +90, +180 47.1231231, 179.99999999 Doesn't Match -90., -180. +90.1, -100.111 -91, 123.456 045, 180 share | improve this answer ...
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How to secure MongoDB with username and password

... server with --auth. However, when I try to login (./mongo -u theadmin -p 12345 ) I fail. I can't login. – murvinlai Feb 3 '11 at 0:10 ...
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Differences between unique_ptr and shared_ptr [duplicate]

...ou pass it by value if you cannot copy it? – splinter123 Jun 3 '16 at 22:00 11 @splinter123: By m...
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Match whole string

...the following string: 'the first 3 letters of the alphabet are abc. not abc123' I think you would want to use \b (word boundaries): var str = 'the first 3 letters of the alphabet are abc. not abc123'; var pat = /\b(abc)\b/g; console.log(str.match(pat)); Live example: http://jsfiddle.n...