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Checking if all elements in a list are unique
What is the best way (best as in the conventional way) of checking whether all elements in a list are unique?
14 Answers
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Is it pythonic to import inside functions?
...at it needs to import.
If I'm adding new code to an existing file I'll usually do the import where it's needed and then if the code stays I'll make things more permanent by moving the import line to the top of the file.
One other point, I prefer to get an ImportError exception before any code is r...
Thread-safe List property
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ConcurrentBag doesn't implement IList and is not actually thread safe version of List
– Vasyl Zvarydchuk
Apr 3 '17 at 20:55
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How to check if object has any properties in JavaScript?
...d Apr 20 '10 at 6:49
Daniel VassalloDaniel Vassallo
301k6666 gold badges475475 silver badges424424 bronze badges
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How to print a stack trace in Node.js?
...l which stack does not. The info is in the error object if you want to manually create that line I guess.
– studgeek
Aug 30 '12 at 16:54
132
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Multiple columns index when using the declarative ORM extension of sqlalchemy
...e just Column objects, index=True flag works normally:
class A(Base):
__tablename__ = 'table_A'
id = Column(Integer, primary_key=True)
a = Column(String(32), index=True)
b = Column(String(32), index=True)
if you'd like a composite index, again Table is present here as usual you ju...
Download a file from NodeJS Server using Express
...press.static('public')); // <-- This right here
});
And then just put all your files inside that 'public' folder, for example:
/public/docs/my_word_doc.docx
And then a regular old link will allow the user to download it:
<a href="public/docs/my_word_doc.docx">My Word Doc</a>
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Simpler way to create dictionary of separate variables?
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rlotun is closer to the initial "spirit" of it since it allows to discover the name. I will could use both your anwser. Or maybe just use my damn hand to type. Some things are just not made to be that automatized...
– e-satis
Mar 31 '10 at 14...
What are CN, OU, DC in an LDAP search?
...N = Common Name
OU = Organizational Unit
DC = Domain Component
These are all parts of the X.500 Directory Specification, which defines nodes in a LDAP directory.
You can also read up on LDAP data Interchange Format (LDIF), which is an alternate format.
You read it from right to left, the right-m...
$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
...imilar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environment variables set. So please help with what I need to do
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