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How to create NS_OPTIONS-style bitmask enumerations in Swift?
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Swift 3.0
Almost identical to Swift 2.0. OptionSetType was renamed to OptionSet and enums are written lower case by convention.
struct MyOptions : OptionSet {
let rawValue: Int
static let firstOption = MyOptions(rawValue:...
Exception messages in English?
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answered Oct 16 '08 at 16:11
mdbmdb
48.1k1010 gold badges6262 silver badges6262 bronze badges
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Capture characters from standard input without waiting for enter to be pressed
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101
That's not possible in a portable manner in pure C++, because it depends too much on the termin...
How to list files in a directory in a C program?
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printf("%s\n", dir->d_name);
}
closedir(d);
}
return(0);
}
Beware that such an operation is platform dependant in C.
Source : http://faq.cprogramming.com/cgi-bin/smartfaq.cgi?answer=1046380353&id=1044780608
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R - Concatenate two dataframes?
... line adds column b to data frame b.
Results
> a <- data.frame(a=c(0,1,2), b=c(3,4,5), c=c(6,7,8))
> a
a b c
1 0 3 6
2 1 4 7
3 2 5 8
> b <- data.frame(a=c(9,10,11), c=c(12,13,14))
> b
a c
1 9 12
2 10 13
3 11 14
> b$b <- NA
> b
a c b
1 9 12 NA
2 10 13 NA
3 11...
How do I find all installed packages that depend on a given package in NPM?
...ich packages depend on contextify you can run:
npm ls contextify
app-name@0.0.1 /home/zorbash/some-project
└─┬ d3@3.3.6
└─┬ jsdom@0.5.7
└── contextify@0.1.15
share
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improv...
Use jQuery to get the file input's selected filename without the path
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edited Jun 16 '11 at 0:37
answered Jun 16 '11 at 0:21
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How to sum up elements of a C++ vector?
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Actually there are quite a few methods.
int sum_of_elems = 0;
C++03
Classic for loop:
for(std::vector<int>::iterator it = vector.begin(); it != vector.end(); ++it)
sum_of_elems += *it;
Using a standard algorithm:
#include <numeric>
sum_of_elems = std::accu...
What's the simplest way to subtract a month from a date in Python?
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20 Answers
20
Active
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Is there a library function for Root mean square error (RMSE) in python?
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answered Sep 4 '13 at 20:56
GregGreg
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