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Virtual Memory Usage from Java under Linux, too much memory used
I have a problem with a Java application running under Linux.
8 Answers
8
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PHP: Return all dates between two dates in an array [duplicate]
... a look at the DatePeriod class:
$period = new DatePeriod(
new DateTime('2010-10-01'),
new DateInterval('P1D'),
new DateTime('2010-10-05')
);
Which should get you an array with DateTime objects.
To iterate
foreach ($period as $key => $value) {
//$value->format('Y-m-d') ...
Finding duplicates in O(n) time and O(1) space
Input: Given an array of n elements which contains elements from 0 to n-1, with any of these numbers appearing any number of times.
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Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/PO
I have followed a number of questions here that asks about how to convert character vectors to datetime classes. I often see 2 methods, the strptime and the as.POSIXct/as.POSIXlt methods. I looked at the 2 functions but am unclear what the difference is.
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How do you test running time of VBA code?
Is there code in VBA I can wrap a function with that will let me know the time it took to run, so that I can compare the different running times of functions?
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How to convert latitude or longitude to meters?
If I have a latitude or longitude reading in standard NMEA format is there an easy way / formula to convert that reading to meters, which I can then implement in Java (J9)?
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How can I pretty-print JSON in a shell script?
Is there a (Unix) shell script to format JSON in human-readable form?
55 Answers
55
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Minimizing NExpectation for a custom distribution in Mathematica
This relates to an earlier question from back in June:
1 Answer
1
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JavaScript function to add X months to a date
I’m looking for the easiest, cleanest way to add X months to a JavaScript date.
18 Answers
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Importing data from a JSON file into R
Is there a way to import data from a JSON file into R? More specifically, the file is an array of JSON objects with string fields, objects, and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
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