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Is “double hashing” a password less secure than just hashing it once?
...g users depends on your system.
You can probably let users wait an extra ¾ second or so during authentication. Profile your target platform, and use as many iterations as you can afford. Platforms I've tested (one user on a mobile device, or many users on a server platform) can comfortably suppor...
Is it possible dynamically to add String to String.xml in Android?
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However, you should also read Elias Mårtenson's answer on Android plurals treatment of “zero”. There is a problem with the interpretation of certain values such as "zero".
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How to copy a dictionary and only edit the copy
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The best and the easiest ways to create a copy of a dict in both Python 2.7 and 3 are...
To create a copy of simple(single-level) dictionary:
1. Using dict() method, instead of generating a reference that points to the existing dict.
my_dict1 = dict()
my_dict1["message"] = "Hello Python"
prin...
Get class that defined method
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In Python 2.7 it does not work. Same error about missing 'im_class'.
– RedX
May 23 '16 at 11:54
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Gson: Directly convert String to JsonObject (no POJO)
...t jsonObj = element.getAsJsonObject();
– Jimmy Garpehäll
Dec 6 '19 at 9:26
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argparse store false if unspecified
...or this behavior is succinct and clear: http://hg.python.org/cpython/file/2.7/Lib/argparse.py#l861
The argparse docs aren't clear on the subject, so I'll update them now: http://hg.python.org/cpython/rev/49677cc6d83a
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Backporting Python 3 open(encoding=“utf-8”) to Python 2
...encoding parameter in Python 2:
If you only need to support Python 2.6 and 2.7 you can use io.open instead of open. io is the new io subsystem for Python 3, and it exists in Python 2,6 ans 2.7 as well. Please be aware that in Python 2.6 (as well as 3.0) it's implemented purely in python and very slo...
What does 'stale file handle' in Linux mean?
Say I have a terminal open, and through that terminal I have cd 'ed to some directory. Through another terminal, I delete that directory and restore it back from an identical backup. When I try to vim a file from the first terminal, in the same directory, why do I get an error about a stale file ...
Add 10 seconds to a Date
...onds" and the most voted answer is wrong.
– Philipp Gächter
Jun 23 '14 at 7:32
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Remove all elements contained in another array
...ound it, just awesome. Thank you very much!
– Tarvo Mäesepp
Sep 1 '19 at 18:58
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