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How to maintain a Unique List in Java?
...), assuming the hash function disperses the elements properly among the buckets. Iterating over this set requires time proportional to the sum of the HashSet instance's size (the number of elements) plus the "capacity" of the backing HashMap instance (the number of buckets). Thus, it's very importan...
Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?
...:
static readonly string[] SizeSuffixes =
{ "bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };
static string SizeSuffix(Int64 value, int decimalPlaces = 1)
{
if (decimalPlaces < 0) { throw new ArgumentOutOfRangeException("decimalPlaces"); }
if (value < 0) {...
Scala best way of turning a Collection into a Map-by-key?
...on T (of type P , say), what is the best way to do a map-by-extracting-key ?
13 Answers
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NameValueCollection vs Dictionary [duplicate]
... aren't semantically identical. The NameValueCollection can have duplicate keys while the Dictionary cannot.
Personally if you don't have duplicate keys, then I would stick with the Dictionary. It's more modern, uses IEnumerable<> which makes it easy to mingle with Linq queries. You can even...
How do I auto-submit an upload form when a file is selected?
I have a simple file upload form. How do I make it submit automatically when a file has been selected? I don't want the user to have to click the Submit button.
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Stripping everything but alphanumeric chars from a string in Python
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Otto AllmendingerOtto Allmendinger
23.7k66 gold badges5959 silver badges7777 bronze badges
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Extract part of a regex match
... answered Aug 25 '09 at 10:29
Krzysztof KrasońKrzysztof Krasoń
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When should I use Kruskal as opposed to Prim (and vice versa)?
I was wondering when one should use Prim's algorithm and when Kruskal's to find the minimum spanning tree? They both have easy logics, same worst cases, and only difference is implementation which might involve a bit different data structures. So what is the deciding factor?
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How to print a dictionary line by line in Python?
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I know this is old, but I thought it would be worth mentioning that this doesn't work if cars[x] is integers. It isn't what the OP was requesting, so I'm just saying it for anybody that stumbles upon this assuming it's a blanke...
Remove the last character from a string [duplicate]
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Peter Mortensen
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answered Apr 8 '11 at 9:16
anonanon
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