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How do I fetch lines before/after the grep result in bash?

...n use the -B and -A to print lines before and after the match. grep -i -B 10 'error' data Will print the 10 lines before the match, including the matching line itself. share | improve this answer...
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How to upgrade rubygems

I need to upgrade gems to 1.8 i tried installing the respective debian packages but it seems its not getting upgraded 8 An...
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How do I execute a string containing Python code in Python?

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How do I view events fired on an element in Chrome DevTools?

... Hit F12 to open Dev Tools Click the Sources tab On right-hand side, scroll down to "Event Listener Breakpoints", and expand tree Click on the events you want to listen for. Interact with the target element, if they fire you will...
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make div's height expand with its content

...ex-container { display: flex; flex-direction: column; min-height: 100vh; } header { background-color: #3F51B5; color: #fff; } section.content { flex: 1; } footer { background-color: #FFC107; color: #333; } <div class="flex-container"> <header> ...
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How do I check if a file exists in Java?

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Where to get “UTF-8” string literal in Java?

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How can I display an image from a file in Jupyter Notebook?

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Git commit date

... 281 The show command may be what you want. Try git show -s --format=%ci <commit> Other form...
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how to change directory using Windows command line

... answered Jul 19 '13 at 19:27 Mark NenadovMark Nenadov 5,01355 gold badges2020 silver badges2727 bronze badges ...