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Getting image dimensions without reading the entire file
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106
Your best bet as always is to find a well tested library. However, you said that is difficult, ...
How to add item to the beginning of List?
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Use the Insert method:
ti.Insert(0, initialItem);
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An “and” operator for an “if” statement in Bash
...US} is empty. It would probably be better to do:
if ! [ "${STATUS}" -eq 200 ] 2> /dev/null && [ "${STRING}" != "${VALUE}" ]; then
or
if [ "${STATUS}" != 200 ] && [ "${STRING}" != "${VALUE}" ]; then
It's hard to say, since you haven't shown us exactly what is going wrong wit...
How do I select elements of an array given condition?
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answered Jun 13 '10 at 0:50
jfsjfs
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Static function variables in Swift
...unc foo() -> Int {
struct Holder {
static var timesCalled = 0
}
Holder.timesCalled += 1
return Holder.timesCalled
}
7> foo()
$R0: Int = 1
8> foo()
$R1: Int = 2
9> foo()
$R2: Int = 3
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Operation on every pair of element in a list
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edited Jun 3 '09 at 18:12
answered Jun 3 '09 at 0:24
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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
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10 Answers
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How to round up to the nearest 10 (or 100 or X)?
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If you just want to round up to the nearest power of 10, then just define:
roundUp <- function(x) 10^ceiling(log10(x))
This actually also works when x is a vector:
> roundUp(c(0.0023, 3.99, 10, 1003))
[1] 1e-02 1e+01 1e+01 1e+04
..but if you want to round to a "nice"...
float64 with pandas to_csv
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df.to_csv('pandasfile.csv', float_format='%.3f')
or, if you don't want 0.0001 to be rounded to zero:
df.to_csv('pandasfile.csv', float_format='%g')
will give you:
Bob,0.085
Alice,0.005
in your output file.
For an explanation of %g, see Format Specification Mini-Language.
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How to find list of possible words from a letter matrix [Boggle Solver]
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+150
My answer works like the others here, but I'll post it because it looks a bit faster than the other Python solutions, from setting up ...