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When and why should I use a namedtuple instead of a dictionary? [duplicate]
...ples don't have keys, so hashability isn't an issue.
However, they have a more stringent restriction -- their key-equivalents, "field names", have to be strings.
Basically, if you were going to create a bunch of instances of a class like:
class Container:
def __init__(self, name, date, foo, b...
Python way of printing: with 'format' or percent form? [duplicate]
... dictionaries correctly. As the new
:ref:string-formatting syntax is more flexible and handles tuples and
dictionaries naturally, it is recommended for new code. However, there
are no current plans to deprecate printf-style formatting.
...
Why does ENOENT mean “No such file or directory”?
...ation of Error NO ENTry (or Error NO ENTity), and can actually be used for more than files/directories.
It's abbreviated because C compilers at the dawn of time didn't support more than 8 characters in symbols.
share
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More than 10 lines in a node.js stack error?
Is there a way to get more than 10 lines in a node.js stack error?
4 Answers
4
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How to convert an NSTimeInterval (seconds) into minutes
... See Albaregar's answer - it is a better way of doing this (more code but more flexible, maintainable)
– benvolioT
Sep 12 '10 at 16:49
1
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How to format numbers as currency string?
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"poetry"? More like obscurity. This isn't code golf; use a little white space. Proper var names wouldn't hurt, either.
– keithjgrant
Dec 30 '12 at 14:07
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Is “else if” faster than “switch() case”? [duplicate]
... have many items you should definitely use a switch.
If a switch contains more than five items, it's implemented using a lookup table or a hash list. This means that all items get the same access time, compared to a list of if:s where the last item takes much more time to reach as it has to evaluat...
MySQL Select minimum/maximum among two (or more) given values
Is it possible to SELECT the minimum or maximum among two or more values. I'd need something like this:
4 Answers
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How to recover stashed uncommitted changes
...hanges—the apply looks good and you're sure you don't need the stash any more—then use git stash drop to get rid of it.
I always suggest using git stash apply rather than git stash pop. The difference is that apply leaves the stash around for easy re-try of the apply, or for looking at, etc. ...
Why Large Object Heap and why do we care?
... That's a very important optimization. It doesn't just make memory usage more efficient (no unused holes), it makes the CPU cache much more efficient. The cache is a really big deal on modern processors, they are an easy order of magnitude faster than the memory bus.
Compacting is done simply by...