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Is it correct to use JavaScript Array.sort() method for shuffling?
... ends up as a more complex (in terms of execution time) shuffle than you really need.
I prefer the shuffle algorithm which effectively partitions the collection into "shuffled" (at the start of the collection, initially empty) and "unshuffled" (the rest of the collection). At each step of the algori...
In Python, what happens when you import inside of a function? [duplicate]
...every time the function is run?
No; or rather, Python modules are essentially cached every time they are imported, so importing a second (or third, or fourth...) time doesn't actually force them to go through the whole import process again. 1
Does it import once at the beginning whether or not...
Interface naming in Java [closed]
...t class to an interface a coding convention with prefix I implies renaming all the occurrences of the class --- not good!
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Best way to check if object exists in Entity Framework?
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hi. how can we check if it exists and after that select all its data?
– virtouso
Apr 7 '15 at 1:27
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FB OpenGraph og:image not pulling images (possibly https?)
... answered a similar question sometime ago with this problem). So make sure all these things are correct.
– Syed I.R.
May 25 '14 at 20:05
3
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What's the point of NSAssert, actually?
...hat value is what you expect it to be, and if it's not then something is really wrong, and so the app quits. Assert can be very useful for debugging/unit testing, and also when you provide frameworks to stop the users from doing "evil" things.
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Visual Studio 2010 IntelliSense doesn't select a default value - it just marks it
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@Tomas. Of course you do - all of the solutions above rely on that. Imagine if that didn't happen. You start typing the name of a variable, which in the first few letters could match several variables with similar names but different types, and ALL th...
Get last record in a queryset
...g from the Django documentation:
... note that reverse() should
generally only be called on a QuerySet
which has a defined ordering (e.g.,
when querying against a model which
defines a default ordering, or when
using order_by()). If no such ordering
is defined for a given QuerySet,
...
Why are there no ++ and -- operators in Python?
...to give it its own special syntax; when you do need to increment, += is usually just fine.
It's not a decision of whether it makes sense, or whether it can be done--it does, and it can. It's a question of whether the benefit is worth adding to the core syntax of the language. Remember, this is fo...
Why do most C developers use define instead of const? [duplicate]
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@C. Ross: Consistency. All manifest constants are usually defined with #defines. const is only used to indicate a read-only (access path to a) variable. I know, const in C is just plain broken :-)
– Bart van Ingen Schenau
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