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Use grep to report back only line numbers
...her than using grep to get the entire matching line and then removing that from the output with cut or another tool. For completeness, you can also use Perl:
perl -nE '/pattern/ && say $.' filename
or Ruby:
ruby -ne 'puts $. if /pattern/' filename
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How to center an iframe horizontally?
...tion:
<div class="videoWrapper">
<!-- Copy & Pasted from YouTube -->
<iframe width="560" height="349" src="http://www.youtube.com/embed/n_dZNLr2cME?rel=0&hd=1" frameborder="0" allowfullscreen></iframe>
</div>
And add this css:
.videoW...
Function Pointers in Java
...cept of delegates, which relates strongly to the idea of function pointers from C++. Is there a similar functionality in Java? Given that pointers are somewhat absent, what is the best way about this? And to be clear, we're talking first class here.
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What does ellipsize mean in android?
...utput will be : aa...cc
marquee's output will be : aaabbbccc auto sliding from right to left
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Collapsing Sidebar with Bootstrap
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Detecting arrow key presses in JavaScript
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Note from MDN: Internet Explorer, Edge (16 and earlier), and Firefox (36 and earlier) use "Left", "Right", "Up", and "Down" instead of "ArrowLeft", "ArrowRight", "ArrowUp", and "ArrowDown".
– Simon
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Mod in Java produces negative numbers [duplicate]
...ad of the expected 0:m-1, as in the case where n is positive. The solution from andrewmu functioned as expected.
– Cachapa
Dec 16 '12 at 13:42
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How to change font of UIButton with Swift
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From the documentation:
The font used to display text on the button. (Deprecated in iOS 3.0. Use the font property of the titleLabel instead.)
s...
Difference between := and = operators in Go
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from the reference doc : (tour.golang.org)
Inside a function, the := short assignment statement can be used in place of a var declaration with implicit type.
Outside a function, every construct begins with a keyword (var, ...
Getting started with F# [closed]
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Thank you. I learned a ton from the koans, and i would totally be interested in some advanced level ones.
– Tyler Smith
Oct 18 '12 at 15:19
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