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What linux shell command returns a part of a string? [duplicate]
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answered Oct 20 '08 at 18:39
ToybuilderToybuilder
9,90544 gold badges2525 silver badges3232 bronze badges
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Why are flag enums usually defined with hexadecimal values
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edited Nov 4 '12 at 20:54
answered Nov 4 '12 at 20:47
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How to get share counts using graph API
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chandrajeetchandrajeet
8,47366 gold badges2020 silver badges1515 bronze badges
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How to use R's ellipsis feature when writing your own function?
...he unevaluated expression".
When you call my_ellipsis_function(a=1:10,b=11:20,c=21:30) then ... "creates" a list of arguments: list(a=1:10,b=11:20,c=21:30) and substitute make it a list of four elements:
List of 4
$ : symbol list
$ a: language 1:10
$ b: language 11:20
$ c: language 21:30
First e...
C++ Best way to get integer division and remainder
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answered Aug 15 '11 at 20:23
cnicutarcnicutar
160k2121 gold badges306306 silver badges343343 bronze badges
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...rimmed down example:
# ll /sys/class/tty/ttyUSB*
lrwxrwxrwx 1 root root 0 2012-03-28 20:43 /sys/class/tty/ttyUSB0 -> ../../devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/ttyUSB0/tty/ttyUSB0/
lrwxrwxrwx 1 root root 0 2012-03-28 20:44 /sys/class/tty/ttyUSB1 -> ../../devices/pci0000:00...
Why does .NET foreach loop throw NullRefException when collection is null?
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answered Jun 21 '10 at 20:15
RobaticusRobaticus
21.7k55 gold badges5151 silver badges6363 bronze badges
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How do you validate a URL with a regular expression in Python?
...urlparse?
– wsorenson
Jun 29 '09 at 20:02
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The question "is it valid?" isn't easy to answer beca...
How to pass an array into jQuery .data() attribute
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edited Dec 20 '13 at 18:08
answered May 20 '11 at 12:07
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What represents a double in sql server?
... is equivalent to the 64-bit double type in .NET. (My original answer from 2011 said there could be a slight difference in mantissa, but I've tested this in 2020 and they appear to be 100% compatible in their binary representation of both very small and very large numbers -- see https://dotnetfiddle...