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Find the extension of a filename in Ruby
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answered Nov 10 '11 at 16:08
FelixFelix
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Using multiple property files (via PropertyPlaceholderConfigurer) in multiple projects/modules
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answered Aug 4 '10 at 16:43
Tim HennekeyTim Hennekey
2,13611 gold badge1313 silver badges1212 bronze badges
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Create list of single item repeated N times
...ith n identical elements:
>>> timeit.timeit('itertools.repeat(0, 10)', 'import itertools', number = 1000000)
0.37095273281943264
>>> timeit.timeit('[0] * 10', 'import itertools', number = 1000000)
0.5577236771712819
But wait - it's not a fair test...
>>> itertools.repe...
How to change a table name using an SQL query?
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10 Answers
10
Active
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How to make a new line or tab in XML (eclipse/android)?
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edited Mar 6 '17 at 10:27
aleksandrbel
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answ...
How to use SQL Order By statement to sort results case insensitive?
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answered Mar 10 '10 at 1:09
dan04dan04
73.7k2020 gold badges148148 silver badges181181 bronze badges
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unix - head AND tail of file
Say you have a txt file, what is the command to view the top 10 lines and bottom 10 lines of file simultaneously?
20 Answer...
How to convert String to Long in Kotlin?
... if the string is not a valid representation of a number.
3. str.toLong(10)
Parses the string as a [Long] number and returns the result.
@throws NumberFormatException if the string is not a valid
representation of a number.
@throws IllegalArgumentException when
[radix] is not a...
In Python, how to display current time in readable format
...ight's savings or not).
import time
time.ctime() # 'Mon Oct 18 13:35:29 2010'
time.strftime('%l:%M%p %Z on %b %d, %Y') # ' 1:36PM EDT on Oct 18, 2010'
time.strftime('%l:%M%p %z on %b %d, %Y') # ' 1:36PM EST on Oct 18, 2010'
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How can I create a correlation matrix in R?
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104
An example,
d &lt- data.frame(x1=rnorm(10),
x2=rnorm(10),
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