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Convert a number range to another range, maintaining ratio
I'm trying to convert one range of numbers to another, maintaining ratio. Maths is not my strong point.
18 Answers
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How to convert current date into string in java?
How do I convert the current date into string in Java?
9 Answers
9
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Android: failed to convert @drawable/picture into a drawable
...the same folder, and try to reference it, is flags up an error "Failed to convert @drawable/picture into a drawable" . I have tried the same image with a different name and it just keeps giving me that error. I have also tried it in a different XML layout and the same thing. Also the name of the pi...
How to wait for a keypress in R?
...consolePrompt = "[click on graph then follow top prompt to continue]")
Sys.sleep(0.01)
return(keyPressed)
}
onKeybd <- function(key)
{
keyPressed <<- key
}
xaxis=c(1:10) # Set up the x-axis.
yaxis=runif(10,min=0,max=1) # Set up the y-axis.
plot(xaxis,yaxis)
for (i in xaxis)
{...
Using Java 8 to convert a list of objects into a string obtained from the toString() method
...).map(e -> e.toString()).reduce("", String::concat);
Explanation: map converts Integer stream to String stream, then its reduced as concatenation of all the elements.
Note: This is normal reduction which performs in O(n2)
for better performance use a StringBuilder or mutable reduction similar...
Python, Matplotlib, subplot: How to set the axis range?
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As found in http://www.mofeel.net/582-comp-soft-sys-matlab/54166.aspx
pylab.ylim([0,1000])
Note: The command has to be executed after the plot!
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Convert floating point number to a certain precision, and then copy to string
...digits:
print "%.2f" % numvar
Return precision with 2 digits and float converted value:
numvar = 4.2345
print float("%.2f" % numvar)
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How can I truncate a datetime in SQL Server?
...the option to cast as a date, it's rarely necessary.
The wrong way:
cast(convert(char(11), getdate(), 113) as datetime)
The wrong way works by converting to a string, truncating the string, and converting back to a datetime. It's wrong, for two reasons: 1)it might not work across all locales and...
Python Linked List
...w("%s " % car(lst)), display(cdr(lst))) if lst else w("nil\n")
where w = sys.stdout.write
Although doubly linked lists are famously used in Raymond Hettinger's ordered set recipe, singly linked lists have no practical value in Python.
I've never used a singly linked list in Python for any proble...
java.util.Date to XMLGregorianCalendar
...What if I absolutely need an XMLGregorianCalendar?
There are more ways to convert Instant to XMLGregorianCalendar. I will present a couple, each with its pros and cons. First, just as an XMLGregorianCalendar produces a string like 2009-05-07T17:05:45.678Z, it can also be built from such a string:
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