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Why can't I use a list as a dict key in python?
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answered Aug 31 '11 at 13:32
Eric WilsonEric Wilson
49.4k6969 gold badges188188 silver badges261261 bronze badges
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Converting from IEnumerable to List [duplicate]
...to a Generic List.
//ArrayList Implements IEnumerable interface
ArrayList _provinces = new System.Collections.ArrayList();
_provinces.Add("Western");
_provinces.Add("Eastern");
List<string> provinces = _provinces.Cast<string>().ToList();
If you're using Generic version IEnumerable&...
To underscore or to not to underscore, that is the question
...f
– Binary Worrier
Jan 16 '09 at 12:32
1
I've done both ways and I wanted to make up my mind, one...
SQL selecting rows by most recent date
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Determine the type of an object?
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On instances of object you also have the:
__class__
attribute. Here is a sample taken from Python 3.3 console
>>> str = "str"
>>> str.__class__
<class 'str'>
>>> i = 2
>>> i.__class__
<class 'int'>
>>> class...
How to create GUID / UUID?
...-8e3+-1e11).replace(/[018]/g, c =>
(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
);
}
console.log(uuidv4());
Update, 2020-01-06: There is a proposal in the works for a standard uuid module as part of the JS language
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Validating email addresses using jQuery and regex
...EmailAddress(emailAddress) {
var pattern = /^([a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+(\.[a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+)*|"((([ \t]*\r\n)?[ \t]+)?([\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e\u00A0-\uD7FF\uF900-\u...
Using comparison operators in Scala's pattern matching system
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Ben JamesBen James
102k2323 gold badges181181 silver badges154154 bronze badges
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What's the difference between Task.Start/Wait and Async/Await?
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edited Jan 5 '17 at 8:32
answered Sep 29 '15 at 10:30
M...
How to get an enum value from a string value in Java?
...Michael Myers♦Michael Myers
173k4040 gold badges273273 silver badges288288 bronze badges
104
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