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“git rm --cached x” vs “git reset head -- x”?
..., the changed files
are preserved but not marked for commit) and reports what has not been
updated. This is the default action.
--hard
Resets the index and working tree. Any changes to tracked files in
the working tree since <commit> are discarded.
Now, when you do somethin...
How to extract text from a string using sed?
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The pattern \d might not be supported by your sed. Try [0-9] or [[:digit:]] instead.
To only print the actual match (not the entire matching line), use a substitution.
sed -n 's/.*\([0-9][0-9]*G[0-9][0-9]*\).*/\1/p'
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Preventing form resubmission
.... Form on Page1 posts the data to Page2, Page2 processes the data and does what needs to be done, and then it does a HTTP redirect on itself. This way the last "action" the browser remembers is a simple GET on page2, so the form is not being resubmitted upon F5.
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When should TaskCompletionSource be used?
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can you write in words what do we see here? is it like that SomeApiWrapper is waited upon somewhere , untill the publisher raise the event which cause this task to complete ?
– Royi Namir
Mar 9 '13 at 22:35
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Explanation of [].slice.call in javascript?
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What's happening here is that you call slice() as if it was a function of NodeList using call(). What slice() does in this case is create an empty array, then iterate through the object it's running on (originally an array, n...
Why does substring slicing with index out of range work?
... doesn't 'example'[999:9999] result in error? Since 'example'[9] does, what is the motivation behind it?
3 Answers
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Programmatically go back to the previous fragment in the backstack
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what about getSupportFragmentManager()
– ViliusK
Apr 10 '13 at 5:59
5
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Batch script: how to check for admin rights
...y: stackoverflow.com/questions/4051883/… (or you could just scroll down, whatever).
– mythofechelon
Aug 16 '12 at 21:27
1
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Centering a background image, using CSS
... make a temporary example at www.jsfiddle.net and post a link for us. From what you've said, the image is 1600x1200 and most screen resolutions don't go that high, try resizing your image to fit. I use a widescreen monitor at 1440x900 for example.
– Kyle
Apr 15...
Better way to shuffle two numpy arrays in unison
I have two numpy arrays of different shapes, but with the same length (leading dimension). I want to shuffle each of them, such that corresponding elements continue to correspond -- i.e. shuffle them in unison with respect to their leading indices.
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