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How to detect a Christmas Tree? [closed]

...t point onto an already pre-existing cluster. I set this value to be 0.04 times the size along the diagonal of each image. Since the images vary in size from roughly VGA up to about HD 1080, this type of scale-relative definition is critical. Another point worth noting is that the DBSCAN algorith...
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Deleting an element from an array in PHP

... array elements and don't want to call unset() or \array_splice() multiple times you can use the functions \array_diff() or \array_diff_key() depending on if you know the values or the keys of the elements which you want to delete. \array_diff() method If you know the values of the array elements wh...
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Rebasing a branch including all its children

...mprovement are of course welcome, but don't judge too much - it was a long time ago! I didn't even know Perl yet!) It's meant for more static situations - you configure it by setting config parameters of the form branch.<branch>.autorebaseparent. It won't touch any branches which don't have t...
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How to convert / cast long to String?

I just created sample BB app, which can allow to choose the date. 8 Answers 8 ...
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Rails: FATAL - Peer authentication failed for user (PG::Error)

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How to pass the value of a variable to the stdin of a command?

I'm writing a shell script that should be somewhat secure i.e. does not pass secure data through parameters of commands and preferably does not use temporary files. How can I pass a variable to the stdin of a command? Or, if it's not possible, how to correctly use temporary files for such task? ...
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Rename Pandas DataFrame Index

I've a csv file without header, with a DateTime index. I want to rename the index and column name, but with df.rename() only the column name is renamed. Bug? I'm on version 0.12.0 ...
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Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?

...ked perfect for me. At least I'll be able to develop with sl for some more time. – OnTheFly Mar 9 '12 at 15:12 14 ...
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Why doesn't Git ignore my specified file?

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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell

I'm typing a shell script to find out the total physical memory in some RHEL linux boxes. 13 Answers ...