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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
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answered Feb 22 '09 at 3:36
OscarRyzOscarRyz
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How to get all subsets of a set? (powerset)
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answered Sep 26 '09 at 22:18
Mark RushakoffMark Rushakoff
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How to select the row with the maximum value in each group
...n eye on #735.
– Arun
May 24 '16 at 22:26
6
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How to match a String against string literals in Rust?
...dAnonymous Coward
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Convert Python dict into a dataframe
...alue')
Out[21]:
2012-06-08 388
2012-06-09 388
2012-06-10 388
In [22]: s.index.name = 'Date'
In [23]: s.reset_index()
Out[23]:
Date DateValue
0 2012-06-08 388
1 2012-06-09 388
2 2012-06-10 388
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Ruby, Difference between exec, system and %x() or Backticks
... argument to this method. For example:
>> system("date")
Wed Sep 4 22:03:44 CEST 2013
=> true
The invoked program will use the current STDIN, STDOUT and STDERR objects of your Ruby program. In fact, the actual return value is either true, false or nil. In the example the date was printe...
How to compare two floating point numbers in Bash?
...only integer maths
but you can use bc command as follows:
$ num1=3.17648E-22
$ num2=1.5
$ echo $num1'>'$num2 | bc -l
0
$ echo $num2'>'$num1 | bc -l
1
Note that exponent sign must be uppercase
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How do you determine what technology a website is built on? [closed]
...hare
edited Dec 28 '08 at 22:25
answered Dec 28 '08 at 22:13
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Returning the product of a list
...--+-----------+-----------+-----------+
A 20.8 µs 13.3 µs 22.6 µs 39.6 µs
B 106 µs 95.3 µs 5.92 µs 26.1 µs
C 4.34 ms 3.51 ms 16.7 µs 38.9 µs
D 46.6 ms 38.5 ms 180 µs 216 µs
Result: np.prod is the fastes...
delete map[key] in go?
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answered Nov 15 '09 at 1:22
user181548user181548
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