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Reasons for using the set.seed function
...produce as I just asked for something "random":
R> sample(LETTERS, 5)
[1] "K" "N" "R" "Z" "G"
R> sample(LETTERS, 5)
[1] "L" "P" "J" "E" "D"
These two, however, are identical because I set the seed:
R> set.seed(42); sample(LETTERS, 5)
[1] "X" "Z" "G" "T" "O"
R> set.seed(42); sample(LE...
python: Change the scripts working directory to the script's own directory
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edited Feb 10 '12 at 14:41
answered Sep 16 '09 at 13:26
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Can JSON start with “[”?
...teral names.
A JSON text is a serialized object or array.
Update (2014)
As of March 2014, there is a new JSON RFC (7159) that modifies the definition slightly (see pages 4/5).
The definition per RFC 4627 was: JSON-text = object / array
This has been changed in RFC 7159 to: JSON-text = ws v...
Count number of rows within each group
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14 Answers
14
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Skip a submodule during a Maven build
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149
Sure, this can be done using profiles. You can do something like the following in your parent...
Foreach loop, determine which is the last iteration of the loop
...Model.Results[count];
// do something with each item
if ((count + 1) == totalCount)
{
// do something different with the last item
}
else
{
// do something different with every item but the last
}
}
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Parsing JSON from XmlHttpRequest.responseJSON
...th jsonResponse
});
Compatibility: The Fetch API is not supported by IE11 as well as Edge 12 & 13. However, there are polyfills.
New ways II: responseType
As Londeren has written in his answer, newer browsers allow you to use the responseType property to define the expected format of the r...
How do you disable viewport zooming on Mobile Safari?
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15 Answers
15
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