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Is 0 a decimal literal or an octal literal?
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answered Aug 1 '11 at 7:48
Alok SaveAlok Save
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Determine the data types of a data frame's columns
...r(my.data)
'data.frame': 5 obs. of 4 variables:
$ y : num 1.03 1.599 -0.818 0.872 -2.682
$ x1: int 1 2 3 4 5
$ x2: logi TRUE TRUE FALSE FALSE FALSE
$ X3: Factor w/ 5 levels "a","b","c","d",..: 1 2 3 4 5
@Gavin Simpson's approach is also streamlined, but provides slightly different information...
Max parallel http connections in a browser?
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428
Max Number of default simultaneous persistent connections per server/proxy:
Firefox 2: 2
Firef...
How can I add “href” attribute to a link dynamically using JavaScript?
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answered Jan 14 '11 at 8:50
stecbstecb
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How do I comment on the Windows command line?
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edited Jun 22 at 12:28
answered Jun 8 '10 at 13:20
pax...
How do I create a list of random numbers without duplicates?
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185
This will return a list of 10 numbers selected from the range 0 to 99, without duplicates.
imp...
Check if a path represents a file or a folder
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8 Answers
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How to stop Jenkins installed on Mac Snow Leopard?
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8 Answers
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Java: function for arrays like PHP's join()?
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Starting from Java8 it is possible to use String.join().
String.join(", ", new String[]{"Hello", "World", "!"})
Generates:
Hello, World, !
Otherwise, Apache Commons Lang has a StringUtils class which has a join function which will join a...
Remove non-ascii character in string
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ZaffyZaffy
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