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How does Java handle integer underflows and overflows and how would you check for it?
...ive values, one finds that those that overflow (128 to 254) all have bit 7 set, while all that do not overflow (0 to 127) have bit 7 (topmost, sign) cleared. Thats exactly what the first (right) part of the expression checks:
if (((s & d & ~r) | (~s & ~d & r)) < 0)
(~s & ~d...
Can we use join for two different database tables?
...view wizard from Synonyms tab find your saved synonyms and add to view and set inner join simply.
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Is it possible to allow didSet to be called during initialization in Swift?
...
Create an own set-Method and use it within your init-Method:
class SomeClass {
var someProperty: AnyObject! {
didSet {
//do some Stuff
}
}
init(someProperty: AnyObject) {
setSomeProperty(so...
adding x and y axis labels in ggplot2
...ot. One advantage is that ggplot works with data.frames directly.
You can set the labels with xlab() and ylab(), or make it part of the scale_*.* call.
library("Sleuth2")
library("ggplot2")
ggplot(ex1221, aes(Discharge, Area)) +
geom_point(aes(size=NO3)) +
scale_size_area() +
xlab("My x la...
Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...rrays use np.nan to designate missing values. As I iterate over the data set, I need to detect such missing values and handle them in special ways.
...
sed command with -i option failing on Mac, but works on Linux
... with brew:
brew install gnu-sed
and use as
gsed SED_COMMAND
you can set as well set sed as alias to gsed (if you want):
alias sed=gsed
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Cannot refer to a non-final variable inside an inner class defined in a different method
... keep updating the values with every iteration through the timer. I cannot set the values to final as that will prevent me from updating the values however I am getting the error I describe in the initial question below:
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NSDate beginning of day and end of day
...t startTime = calendar.startOfDay(for: date)
let endTime = calendar.date(bySettingHour: 23, minute: 59, second: 59, of: date)
Extra
let yesterday = Calendar.current.date(byAdding: .day, value: -1, to: noon)!
let tomorrow = Calendar.current.date(byAdding: .day, value: 1, to: noon)!
let specificDat...
Where can I learn how to write C code to speed up slow R functions? [closed]
...l and do not hold back. We know we are short documentation -- but a fresh set of eyes could help tremendously.
– Dirk Eddelbuettel
Nov 5 '10 at 14:50
6
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jquery, find next element by class
...says:
Next() Get the immediately following sibling of each element in the set of matched elements. If a selector is provided, it retrieves the next sibling that matches the selector.
so if the second DIV was in the same TD then you could code:
// Won't work in your case
$(obj).next().filter('.cl...