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What is the best way to compare floats for almost-equality in Python?
...3.5 adds the math.isclose and cmath.isclose functions as described in PEP 485.
If you're using an earlier version of Python, the equivalent function is given in the documentation.
def isclose(a, b, rel_tol=1e-09, abs_tol=0.0):
return abs(a-b) <= max(rel_tol * max(abs(a), abs(b)), abs_tol)
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How to securely save username/password (local)?
...t going to verify/validate the entered user name and password, use the Rfc2898DerivedBytes class (also known as Password Based Key Derivation Function 2 or PBKDF2). This is more secure than using encryption like Triple DES or AES because there is no practical way to go from the result of RFC2898Der...
Difference between CouchDB and Couchbase
... Membase Server was renamed to Couchbase Server somewhere around version 1.8). See Couchbase 2011 Year in Review:
Unfortunately, we confused the heck out of many of our potential users. In addition to Membase Server and our new mobile products we also offered Couchbase Single Server which was a ...
How to clone a Date object?
... I'm not sure whether this works in other browsers. (It seems to work in IE8).
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How to get ERD diagram for an existing database?
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We used DBVisualizer for that.
Description:
The references graph is a great feature as it auto...
Replacement for deprecated -sizeWithFont:constrainedToSize:lineBreakMode: in iOS 7?
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glob exclude pattern
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edited Feb 28 '17 at 7:52
answered Mar 29 '16 at 21:32
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
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community wiki
18 revs, 10 users 33%Diomidis Spinellis
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Does deleting a branch in git remove it from the history?
...CB Bailey
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