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Django dynamic model fields
... DjangoCon 2013 Europe: slideshare.net/schacki/… and youtube.com/watch?v=67wcGdk4aCc
– Aleck Landgraf
Sep 27 '13 at 21:29
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How to validate an e-mail address in swift?
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let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx)
return emailPred.evaluate(with: email)
}
for versions of Swift earlier than 3.0:
func isValidEmail(email: String) -> Bool {
let emailRe...
BaseException.message deprecated in Python 2.6
I get a warning that BaseException.message is deprecated in Python 2.6 when I use the following user-defined exception:
8 A...
Unmangling the result of std::type_info::name
...s not very useful. I.e. typeid(std::vector<int>).name() returns St6vectorIiSaIiEE .
13 Answers
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What does the PHP error message “Notice: Use of undefined constant” mean?
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edited Jul 14 '17 at 6:12
tilz0R
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answered M...
What are “named tuples” in Python?
...record types, except that they are immutable. They were added in Python 2.6 and Python 3.0, although there is a recipe for implementation in Python 2.4.
For example, it is common to represent a point as a tuple (x, y). This leads to code like the following:
pt1 = (1.0, 5.0)
pt2 = (2.5, 1.5)
fro...
How to base64 encode image in linux bash / shell
I'm trying to base64 encode an image in a shell script and put it into variable:
6 Answers
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In Python, how do I read the exif data for an image?
...colas Gervais
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answered Jan 22 '11 at 0:21
paynepayne
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If table exists drop table then create it, if it does not exist just create it
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edited Oct 10 '15 at 16:26
Junior Mayhé
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What is the fastest way to check if a class has a function defined?
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edited Sep 13 '16 at 9:40
arogachev
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