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jQuery: checking if the value of a field is null (empty)
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answered Nov 22 '10 at 10:47
GuffaGuffa
619k9090 gold badges651651 silver badges926926 bronze badges
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Which is best way to define constants in android, either static class, interface or xml resource?
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edited Sep 22 '13 at 2:57
answered Jun 22 '12 at 6:04
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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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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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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
180k106106 gold badges363363 silver badges540540 bronze badges
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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...
How to match a String against string literals in Rust?
...dAnonymous Coward
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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...
Convert Elixir string to integer or float
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answered Mar 22 '14 at 14:27
José ValimJosé Valim
45.4k77 gold badges114114 silver badges104104 bronze badges
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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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