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Removing index column in pandas when reading a csv
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To get a sense for why the index is there and how it is used, see e.g. 10 minutes to Pandas.
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Using ZXing to create an Android barcode scanning app [duplicate]
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The ZXing project provides a standalone barcode reader application which — via Android's inte...
Which parallel sorting algorithm has the best average case performance?
...e sort):
Improvements on sample sort
AA-Sort
The bleeding edge (circa 2010, some only a couple months old):
Parallel sorting pattern
Many-core GPU based parallel sorting
Hybrid CPU/GPU parallel sort
Randomized Parallel Sorting Algorithm with an Experimental Study
Highly scalable parallel sorting...
Dispelling the UIImage imageNamed: FUD
Edit Feb 2014: Note that this question dates from iOS 2.0! Image requirements and handling have moved on a lot since then. Retina makes images bigger and loading them slightly more complex. With the built in support for iPad and retina images, you should certainly use ImageNamed in your code .
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Insert text with single quotes in PostgreSQL
...$
Which can be nested any number of levels:
$token2$Inner string: $token1$escape ' with ''$token1$ is nested$token2$
Pay attention if the $ character should have special meaning in your client software. You may have to escape it in addition. This is not the case with standard PostgreSQL clients...
Send file using POST from a Python script
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From: https://requests.readthedocs.io/en/latest/user/quickstart/#post-a-multipart-encoded-file
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Export a graph to .eps file with R
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The easiest way I've found to create postscripts is the following, using the setEPS() command:...
Concatenating two lists - difference between '+=' and extend()
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edited May 13 '15 at 0:26
jesterjunk
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answered S...
Setup RSpec to test a gem (not Rails)
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edited Jan 2 '17 at 19:13
Cœur
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