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What's the difference between a Python module and a Python package?
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Flatten nested dictionaries, compressing keys
...atten(...) can be recovered from the alleged duplicate by mapping a higher-order accumulator, one cannot recover the keys. (edit: Also it turns out that the alleged duplicate owner's question is completely different, in that it only deals with dictionaries exactly 2-level deep, though one of the ans...
Hidden features of Ruby
...an integer; "1001001100101100000001011010010".to_i(2), "499602d2".to_i(16) etc all return the original Fixnum.
– Huw Walters
Jun 24 '11 at 11:58
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AES vs Blowfish for file encryption
...d AES. My next choices would probably be Serpent, MARS and Twofish in that order. Blowfish would come somewhere after those (though there are a couple of others that I'd probably recommend ahead of Blowfish).
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POST data to a URL in PHP
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How to enable CORS in AngularJs
...end an HTTP OPTIONS request header to the resource on the other domain, in order to determine whether the actual request is safe to send. Cross-site requests are preflighted like this since they may have implications to user data. In particular, a request is preflighted if it uses methods other than...
if else in a list comprehension [duplicate]
...on is in a slightly different format (think switching the subject and verb order in a sentence).
Therefore, your code [x+1 for x in l if x >= 45] does this:
for x in l:
if x >= 45:
x+1
However, this code [x+1 if x >= 45 else x+5 for x in l] does this (after rearranging the e...
What database does Google use?
...Web page" or "delete cells that are older than a specific date/time."
In order to manage the huge tables, Bigtable splits tables at row boundaries and saves them as tablets. A tablet is around 200 MB, and each machine saves about 100 tablets. This setup allows tablets from a single table to be spr...
How to pick an image from gallery (SD Card) for my app?
... @WilliamKinaan ACTIVITY_SELECT_IMAGE is any int value that you specify in order to identify which result your expecting to receive. It is then sent back in onActivityResult(int requestCode, int resultCode, Intent data) as the 'requestCode'.
– Fydo
May 28 '13 a...
Android error: Failed to install *.apk on device *: timeout
...ne and it just wouldn't allow the install (even with changing the timeout, etc.). Tried a different cable and ta-da, it worked. Thanks!
– fatfreddyscat
Mar 8 '12 at 18:02
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