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How to format a number as percentage in R?
...scales package, as documented in krlmlr's answer. Use that instead of my hand-rolled solution.
Try something like
percent <- function(x, digits = 2, format = "f", ...) {
paste0(formatC(100 * x, format = format, digits = digits, ...), "%")
}
With usage, e.g.,
x <- c(-1, 0, 0.1, 0.5555...
Why do we use __init__ in Python classes?
I am having trouble understanding the Initialization of classes.
8 Answers
8
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Why can't C++ be parsed with a LR(1) parser?
I was reading about parsers and parser generators and found this statement in wikipedia's LR parsing -page:
6 Answers
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How to get a variable name as a string in PHP?
...ction, where it finds the argument you passed in. I suppose it could be expanded to work with multiple arguments but, like others have said, if you could explain the situation better, another solution would probably work better.
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How can I measure the speed of code written in PHP? [closed]
... two solutions :
The quite "naïve" one is using microtime(true) tobefore and after a portion of code, to get how much time has passed during its execution ; other answers said that and gave examples already, so I won"t say much more.
This is a nice solution if you want to benchmark a couple of in...
How does one unit test routes with Express?
I'm in the process of learning Node.js and have been playing around with Express . Really like the framework;however, I'm having trouble figuring out how to write a unit/integration test for a route.
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@RequestBody and @ResponseBody annotations in Spring
Can someone explain the @RequestBody and @ResponseBody annotations in Spring 3? What are they for? Any examples would be great.
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Replace multiple characters in a C# string
...\n]{2}/\n/g
s/ at the beginning means a search
The characters between [ and ] are the characters to search for (in any order)
The second / delimits the search-for text and the replace text
In English, this reads:
"Search for ; or , or \t or \r or (space) or exactly two sequential \n and repla...
How do I Geocode 20 addresses without receiving an OVER_QUERY_LIMIT response?
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No, there is not really any other way : if you have many locations and want to display them on a map, the best solution is to :
fetch the latitude+longitude, using the geocoder, when a location is created
store those in your database, alongside the address
and use those stored latitude+lon...
Nearest neighbors in high-dimensional data?
...d the nearest neighbors for a given vector. My vector is now 21 dimensions and before I proceed further, because I am not from the domain of Machine Learning nor Math, I am beginning to ask myself some fundamental questions:
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