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Performance surprise with “as” and nullable types
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Find the day of a week
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df = data.frame(date=c("2012-02-01", "2012-02-01", "2012-02-02"))
df$day <- weekdays(as.Dat...
How does the Windows Command Interpreter (CMD.EXE) parse scripts?
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201
We performed experiments to investigate the grammar of batch scripts. We also investigated diff...
How do I access the $scope variable in browser's console using AngularJS?
...nel of the developer tools and type this in the console:
angular.element($0).scope()
In WebKit and Firefox, $0 is a reference to the selected DOM node in the elements tab, so by doing this you get the selected DOM node scope printed out in the console.
You can also target the scope by element ID...
Number of processors/cores in command line
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In Python, using argparse, allow only positive integers
...u:
def check_positive(value):
ivalue = int(value)
if ivalue <= 0:
raise argparse.ArgumentTypeError("%s is an invalid positive int value" % value)
return ivalue
parser = argparse.ArgumentParser(...)
parser.add_argument('foo', type=check_positive)
This is basically just an a...
What is the difference between int, Int16, Int32 and Int64?
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jQuery UI DatePicker to show month year only
...my app. I want to know if I can use it to display the month and year (May 2010) and not the calendar?
26 Answers
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Input and Output binary streams using JERSEY?
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Making the main scrollbar always visible
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answered Jul 29 '09 at 19:36
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