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Getting all types that implement an interface
...ered Aug 25 '08 at 20:11
Darren KoppDarren Kopp
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Why not inherit from List?
When planning out my programs, I often start with a chain of thought like so:
27 Answers
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Java HashMap performance optimization / alternative
... million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get a unique hash code for every object:
public int hashCode() {
// assume that both a and b are sorted
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Why are primes important in cryptography?
One thing that always strikes me as a non-cryptographer: Why is it so important to use Prime numbers? What makes them so special in cryptography?
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Best way to check if object exists in Entity Framework?
What is the best way to check if an object exists in the database from a performance point of view? I'm using Entity Framework 1.0 (ASP.NET 3.5 SP1).
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Really weird eclipse keyboard behavior/bug?
I am using Helios on Mac Snow Leopard. I don't know why but all of a sudden my arrow keys and delete button start not working only on Eclipse (so Eclipse ignores them) but the rest of the buttons works just fine. There is no exception/error thrown anywhere on the screen. I don't exactly know how to ...
How to create nonexistent subdirectories recursively using Bash?
I am creating a quick backup script that will dump some databases into a nice/neat directory structure and I realized that I need to test to make sure that the directories exist before I create them. The code I have works, but it seems that there is a better way to do it. Any suggestions?
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How to execute multi-line statements within Python's own debugger (PDB)
...be achieved using the pdb interact command (as I learned from this bug tracker message).
– gerrit
Jun 11 '14 at 15:15
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What is the proper way to use the node.js postgresql module?
I am writing a node.js app on Heroku and using the pg module . I can't figure out the "right" way to get a client object for each request that I need to query the database.
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How do I get the current date in JavaScript?
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Samuel MeddowsSamuel Meddows
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