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JavaScript closure inside loops – simple practical example
...lock-scoping post as a great source of information.
for (let i = 0; i < 3; i++) {
funcs[i] = function() {
console.log("My value: " + i);
};
}
Beware, though, that IE9-IE11 and Edge prior to Edge 14 support let but get the above wrong (they don't create a new i each time, so all the funct...
Generate array of all letters and digits
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or
('a'..'z').to_a + ('0'..'9').to_a # works in 1.8 and 1.9
or
(0...36).map{ |i| i.to_s 36 }
(the Integer#to_s method converts a number to a string representing it in a desired numeral system)
share
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Nested JSON objects - do I have to use arrays for everything?
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3 Answers
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Prevent row names to be written to file when using write.csv
... uq max neval
## write.csv(data, "baseR_file.csv", row.names = F) 13.8066424 13.8248250 13.9118324 13.8776993 13.9269675 14.3241311 10
## write_csv(data, "readr_file.csv") 3.6742610 3.7999409 3.8572456 3.8690681 3.8991995 4.0637453 10
## fwrite(data...
String concatenation in Ruby
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answered Dec 18 '08 at 13:09
KeltiaKeltia
13.8k33 gold badges2727 silver badges3030 bronze badges
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Referring to a file relative to executing script
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How to get all possible combinations of a list’s elements?
...a list with 15 numbers in, and I need to write some code that produces all 32,768 combinations of those numbers.
27 Answer...
After array_filter(), how can I reset the keys to go in numerical order starting at 0
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Salman A
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answered Aug 4 '10 at 0:59
Daniel VandersluisDaniel Vandersl...
What is more efficient? Using pow to square or just multiply it with itself?
... elapsed << " "; \
\
return x; \
}
TEST(1, b)
TEST(2, b*b)
TEST(3, b*b*b)
TEST(4, b*b*b*b)
TEST(5, b*b*b*b*b)
template <int exponent>
double testpow(double base, long loops)
{
double x = 0.0;
boost::posix_time::ptime startTime = now();
for (long i=0; i<loops; ++i)
...