Data Structures
A data structure is a way of organizing data in a fashion that allows particular properties of that data to be queried and/or updated efficiently.
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How are Python's Built In Dictionaries Implemented?
Does anyone know how the built in dictionary type for python is implemented? My understanding is that it is s
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Why should hash functions use a prime number modulus?
A long time ago, I bought a data structures book off the bargain table for $1.25. In it, the explanation for
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Preserving order with LINQ
I use LINQ to Objects instructions on an ordered array. Which operations shouldn't I do to be sure the o
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Why does the C++ STL not provide any "tree" containers?
Why does the C++ STL not provide any "tree" containers, and what's the best thing to use instead? I want
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Split List into Sublists with LINQ
Is there any way I can separate a List<SomeObject> into several separate lists of SomeObject, using the
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How to implement a queue using two stacks?
Suppose we have two stacks and no other temporary variable. Is to possible to "construct" a queue data struct
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How does a hash table work?
I'm looking for an explanation of how a hash table works - in plain English for a simpleton like me! Fo
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How to check if a specific key is present in a hash or not?
I want to check whether the "user" key is present or not in the session hash. How can I do this? Note that I
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Ukkonen's suffix tree algorithm in plain English
I feel a bit thick at this point. I've spent days trying to fully wrap my head around suffix tree constru
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Why is Dictionary preferred over Hashtable in C#?
In most programming languages, dictionaries are preferred over hashtables. What are the reasons behind that?
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How can I remove a key from a Python dictionary?
When deleting a key from a dictionary, I use: if 'key' in my_dict: del my_dict['key']
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How do I sort a list of dictionaries by a value of the dictionary?
I have a list of dictionaries and want each item to be sorted by a specific value. Take into consideration the
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