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How to make lists contain only distinct element in Python? [duplicate]
...return [x for x in seq if x not in seen and not seen.add(x)]
OK, now how does it work, because it's a little bit tricky here if x not in seen and not seen.add(x):
In [1]: 0 not in [1,2,3] and not print('add')
add
Out[1]: True
Why does it return True? print (and set.add) returns nothing:
In [3]...
What's the difference between EscapeUriString and EscapeDataString?
...he data for a query string parameter)? Am I escaping data for the URI, or does EscapeDataString imply something completely different?
– BrainSlugs83
Nov 10 '13 at 3:37
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Why is semicolon allowed in this python snippet?
Python does not warrant the use of semicolons to end statements.
So why is this (below) allowed?
15 Answers
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Compare two files line by line and generate the difference in another file
... > file3
provided that your shell supports process substitution (bash does).
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How to mock localStorage in JavaScript unit tests?
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Edit suggestion: getItem must return null when value does not exist: return storage[key] || null;;
– cyberwombat
Nov 25 '15 at 17:47
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Is delete this allowed?
...ting some other pointer. The answer to that is fairly short and simple: it doesn't say much of anything. It just says that delete's operand must be an expression that designates a pointer to an object, or an array of objects. It goes into quite a bit of detail about things like how it figures out wh...
What Does 'Then' Really Mean in CasperJS
...ost-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f11604611%2fwhat-does-then-really-mean-in-casperjs%23new-answer', 'question_page');
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Easiest way to read from and write to files
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It should also be noted that if the file does not exist the StreamWriter will create the file when it attempts to WriteLine. In this case write.txt will be created if it doesn't exist when WriteLine is called.
– TheMiddleMan
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Correct way to define C++ namespace methods in .cpp file
...namespace? It confuses the reader. Also, when many namespaces are used, it does not show which namespace MyClass belongs to. Versions 1&3 fix this problem. In conclusion, it's not wrong, but just unclear and confusing.
– GILGAMESH
Dec 30 '11 at 16:59
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Max return value if empty query
...exception or a default(int) result.
The accepted answer however, while it does work, isn't the ideal solution IMHO, which isn't given here. Thus I am providing it in my own answer for the benefit of anyone who is looking for it.
The OP's original code was:
int maxShoeSize = Workers.Where(x => ...