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grep a file, but show several surrounding lines?
...he match and -A num for the number of lines after the match.
grep -B 3 -A 2 foo README.txt
If you want the same number of lines before and after you can use -C num.
grep -C 3 foo README.txt
This will show 3 lines before and 3 lines after.
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Random date in C#
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private Random gen = new Random();
DateTime RandomDay()
{
DateTime start = new DateTime(19...
What does ':' (colon) do in JavaScript?
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var o = {
r: 'some value',
t: 'some other value'
};
is functionally equivalent to
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Getting name of the class from an instance
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CiNNCiNN
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Let JSON object accept bytes or let urlopen output strings
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12 Answers
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jQuery slideUp().remove() doesn't seem to show the slideUp animation before remove occurs
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edited Nov 21 '08 at 7:38
Owen
73.7k1919 gold badges112112 silver badges113113 bronze badges
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Android map v2 zoom to show all the markers
...w? In the earlier version this can be achieved from zoomToSpan() but in v2 I have no idea how about doing that. Further, I know the radius of the circle that needs to be visible.
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What's the difference of “./configure” option “--build”, “--host” and “--target”?
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2 Answers
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