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How should I ethically approach user password storage for later plaintext retrieval?
As I continue to build more and more websites and web applications I am often asked to store user's passwords in a way that they can be retrieved if/when the user has an issue (either to email a forgotten password link, walk them through over the phone, etc.) When I can I fight bitterly against thi...
How to understand Locality Sensitive Hashing?
I noticed that LSH seems a good way to find similar items with high-dimension properties.
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Select random row from a sqlite table
I have a sqlite table with the following schema:
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What is the difference between a var and val definition in Scala?
What is the difference between a var and val definition in Scala and why does the language need both? Why would you choose a val over a var and vice versa?
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REST API 404: Bad URI, or Missing Resource?
I'm building a REST API, but I've encountered a problem.
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What's the fastest algorithm for sorting a linked list?
I'm curious if O(n log n) is the best a linked list can do.
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What is the difference between a web API and a web service?
Is there any difference between a web API and a web service ? Or are they one and the same ?
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Using Panel or PlaceHolder
What is the difference between <asp:Panel > and <asp:PlaceHolder > in ASP.NET?
5 Answers
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Most efficient way to cast List to List
I have a List<SubClass> that I want to treat as a List<BaseClass> . It seems like it shouldn't be a problem since casting a SubClass to a BaseClass is a snap, but my compiler complains that the cast is impossible.
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How can I remove an element from a list?
I have a list and I want to remove a single element from it. How can I do this?
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