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How can I represent an infinite number in Python?
... Python, you can do:
test = float("inf")
In Python 3.5, you can do:
import math
test = math.inf
And then:
test > 1
test > 10000
test > x
Will always be true. Unless of course, as pointed out, x is also infinity or "nan" ("not a number").
Additionally (Python 2.x ONLY), in a compar...
Is there a builtin identity function in python?
...
Doing some more research, there is none, a feature was asked in issue 1673203 And from Raymond Hettinger said there won't be:
Better to let people write their own trivial pass-throughs
and think about the signature and time costs.
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What's the best practice using a settings file in Python? [closed]
... have too many arguments, and I want to have some arguments in dictionary form too.
4 Answers
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Remove substring from the string
...ce! "foo"
=> "foo"
a
=> "bar"
there is a non '!' version as well. More info can be seen in the documentation about other versions as well:
http://www.ruby-doc.org/core/classes/String.html#method-i-slice-21
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Finding the source code for built-in Python functions?
Is there a way to see how built in functions work in python? I don't mean just how to use them, but also how were they built, what is the code behind sorted or enumerate etc...?
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Deleting folders in python recursively
I'm having a problem with deleting empty directories. Here is my code:
11 Answers
11
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iterating over and removing from a map [duplicate]
... as follows:
map.entrySet().removeIf(e -> <boolean expression>);
Oracle Docs: entrySet()
The set is backed by the map, so changes to the map are reflected in the set, and vice-versa
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Get fully qualified class name of an object in Python
For logging purposes I want to retrieve the fully qualified class name of a Python object. (With fully qualified I mean the class name including the package and module name.)
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What is the difference between $(command) and `command` in shell programming?
To store the output of a command as a variable in sh/ksh/bash, you can do either
6 Answers
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The specified type member 'Date' is not supported in LINQ to Entities Exception
...value. It looks as if Convert.ToDateTime(rule.data).Date is causing the error.
Calling Date on a DateTime property also cannot be translated to SQL, so a workaround is to compare the .Year .Month and .Day properties which can be translated to LINQ since they are only integers.
var ruleDate = Conv...