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Is it worth using Python's re.compile?
Is there any benefit in using compile for regular expressions in Python?
26 Answers
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C++ convert hex string to signed integer
I want to convert a hex string to a 32 bit signed integer in C++.
9 Answers
9
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Good examples of Not a Functor/Functor/Applicative/Monad?
While explaining to someone what a type class X is I struggle to find good examples of data structures which are exactly X.
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How to convert string to Title Case in Python?
Example:
9 Answers
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java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused
I am using xampp apache server to serve resources to the application from my machine. But i am getting the above error.
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Why doesn't C# support the return of references?
...orts both these features. You could then do things like
static ref int Max(ref int x, ref int y)
{
if (x > y)
return ref x;
else
return ref y;
}
and then call it with
int a = 123;
int b = 456;
ref int c = ref Max(ref a, ref b);
c += 100;
Console.WriteLine(b); // 556!
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Converting from longitude\latitude to Cartesian coordinates
... it all depends on the accuracy you require for what you are doing. For example, the result calculated from "Manhattan Distance Formula" versus the result from the "Distance Formula" can be better for certain situations as it is computationally less expensive. Think "which point is closest?" scen...
Regular Expression to reformat a US phone number in Javascript
...ences for validating) a phone number for display in Javascript. Here's an example of some of the data:
12 Answers
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Cleaning `Inf` values from an R dataframe
... do.call to recreate a data.frame.
do.call(data.frame,lapply(DT, function(x) replace(x, is.infinite(x),NA)))
Option 2 -- data.table
You could use data.table and set. This avoids some internal copying.
DT <- data.table(dat)
invisible(lapply(names(DT),function(.name) set(DT, which(is.infinite(...