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Reading an Excel file in PHP [closed]
...Luis Melgratti
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8
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Python: reload component Y imported with 'from X import Y'?
...rtelli
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1
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Stop setInterval call in JavaScript
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answered Sep 20 '08 at 19:32
Quintin RobinsonQuintin Robinson
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Exception thrown inside catch block - will it be caught again?
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– Chris Jester-Young
Aug 22 '16 at 23:32
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A valid provisioning profile for this executable was not found for debug mode
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edited Jan 8 '13 at 15:32
answered Mar 13 '11 at 14:15
d...
How can I maximize a split window?
...iven yet...
– sehe
Oct 20 '11 at 12:32
2
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Cleaning `Inf` values from an R dataframe
....time(is.na(dat) <- sapply(dat, is.infinite))
# user system elapsed
# 32.96 0.07 33.12
# modified is.na
system.time(is.na(dat) <- do.call(cbind,lapply(dat, is.infinite)))
# user system elapsed
# 1.22 0.38 1.60
# data.table (@mnel)
system.time(invisible(lapply(names(DT),fun...
How can I create a two dimensional array in JavaScript?
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edited Aug 14 '19 at 6:32
Adam
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answered Jun 8...
How can I multiply and divide using only bit shifting and adding?
...gt;> 2) + (a >> 4) + (a >> 6) + ... + (a >> 30)
for 32-bit arithmetics.
By combining the terms in an obvious manner we can reduce the number of operations:
b = (a >> 2) + (a >> 4)
b += (b >> 4)
b += (b >> 8)
b += (b >> 16)
There are more exc...
How can I avoid running ActiveRecord callbacks?
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– Daniel Pietzsch
Sep 14 '11 at 2:32
I have another solution for any version of Rails. It works for us well. Check i...