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Select first 4 rows of a data.frame in R
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156
Use head:
dnow <- data.frame(x=rnorm(100), y=runif(100))
head(dnow,4) ## default is 6
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Difference between adjustResize and adjustPan in android?
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edited Jun 20 at 9:12
Community♦
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answered Jul 1 '13 at 17:47
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int value under 10 convert to string two digit number
in here, if i = 1 then ToString yields "1"
6 Answers
6
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Disable spell checking on IntelliJ IDEA
I'm trying to disable spell checking in MacOS's IntelliJ IDEA version 8.1.
11 Answers
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Pairwise crossproduct in Python [duplicate]
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153
You're looking for itertools.product if you're on (at least) Python 2.6.
>>> import ...
How to find common elements from multiple vectors?
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answered Sep 12 '10 at 17:00
bnaulbnaul
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How to convert list to string [duplicate]
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1399
By using ''.join
list1 = ['1', '2', '3']
str1 = ''.join(list1)
Or if the list is of intege...
Freezing Row 1 and Column A at the same time
I want to "freeze" Row 1 and Column A simultaneously in Excel 2010.
1 Answer
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Negative list index? [duplicate]
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183
Negative numbers mean that you count from the right instead of the left. So, list[-1] refers t...
Use a list of values to select rows from a pandas dataframe [duplicate]
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1 Answer
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