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How can I get the current screen orientation?

...lues ORIENTATION_PORTRAIT and ORIENTATION_LANDSCAPE. Is there a way to get all the four values from ActivityInfo? (That is LANDSCAPE_REVERSE and PORTRAIT_REVERSE as well) – HRJ May 4 '11 at 9:56 ...
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How to read a .xlsx file using the pandas Library in iPython?

... I usually create a dictionary containing a DataFrame for every sheet: xl_file = pd.ExcelFile(file_name) dfs = {sheet_name: xl_file.parse(sheet_name) for sheet_name in xl_file.sheet_names} Update: In pandas version...
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How can I create an error 404 in PHP?

My .htaccess redirects all requests to /word_here to /page.php?name=word_here . The PHP script then checks if the requested page is in its array of pages. ...
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Regular expression to stop at first match

... your regular expression non-greedy, because by default, "(.*)" will match all of "file path/level1/level2" xxx some="xxx". Instead you can make your dot-star non-greedy, which will make it match as few characters as possible: /location="(.*?)"/ Adding a ? on a quantifier (?, * or +) makes it no...
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Vim users, where do you rest your right hand? [closed]

... I think that jkl; is actually the more appropriate usage for vi. For one, h and l really don't matter that much. w, e, and b are significantly more useful for horizontal navigation. As a bonus, ; is easy to get at if the language requires it. Having ...
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Difference between a Postback and a Callback

I keep on hearing this words ' callback ' and ' postback ' tossed around. What is the difference between two ? 6 Answers...
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What is the difference between buffer and cache memory in Linux?

...ed (thus the total page cache size is Cached + SwapCached). Linux performs all file I/O through the page cache. Writes are implemented as simply marking as dirty the corresponding pages in the page cache; the flusher threads then periodically write back to disk any dirty pages. Reads are implemented...
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How to get just numeric part of CSS property with jQuery?

... This will clean up all non-digits, non-dots, and not-minus-sign from the string: $(this).css('marginBottom').replace(/[^-\d\.]/g, ''); UPDATED for negative values sh...
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how to break the _.each function in underscore.js

...t provide to escape the loop (other than throwing an exception). However, all hope is not lost! You can use the Array.every method. :) From that link: every executes the provided callback function once for each element present in the array until it finds one where callback returns a false valu...
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A Java collection of value pairs? (tuples?)

... clear that the Pair class is never going to have any logic associated and all clients will need access to 'left' and 'right,' so why not make it easy? – Outlaw Programmer Feb 6 '09 at 17:39 ...