hash

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Bloom Filter: How to find k hash functions?

A Bloom Filter needs k hash functions, which return a value between 0 and m (m is the length of the bit array).[详细]

2023-04-09 10:47 分类：问答
perl - setting up conditions to find correct key in a hash

Problem: Seeing exists argument is not a HASH or ARRAY element Need help setting up several conditions to grab the right key.[详细]

2023-04-09 10:15 分类：问答
Hashing function of any live object (hash table)?

Not sure whether it is sensible reopen my开发者_StackOverflow中文版 earlier thread on Hashing URL.[详细]

2023-04-09 08:16 分类：问答
How to check if an hash is "completely" included in another hash?

I am using Ruby on Rails 3.1.0 and I would like to check if an hash is \"completely\" included in another hash and return a boolean value.[详细]

2023-04-09 05:26 分类：问答
Ruby Hash.has_key? returning false for the first key on Windows

I\'m having a weird issue with Ruby hashes on windows. I\'m loading the following YAML file and parsing it as a hash:[详细]

2023-04-09 01:34 分类：问答
Do I need to call MessageDigest.reset() before using it?

The question is simple: when should I call the reset() function on the java class MessageDigest? The question mainly comes from the OWASP reference, where in a code sample, they do:[详细]

2023-04-08 19:56 分类：问答
Java: List insert of more than one object with same HASH

I\'m having a bit of trouble with this one: I need to override the hashCode() and equals(), resulting in some objects being \"equal\". That\'s the intended behavior, but i have collateral problems wi[详细]

2023-04-08 18:54 分类：问答
looking up svn content by hash

Content in the svn repository is uniquely identified using two pieces of information: repository path revision number[详细]

2023-04-08 15:52 分类：问答
Creating a hash in Perl

How do I create a hash in Perl which uses the directory name as the key, and then stores both the count of files in the director开发者_如何学编程y as well as the names each of the files? Is it possibl[详细]

2023-04-08 14:17 分类：问答
Android Sha1 Hash username and password not hashing correctly

I have a little problem with hashing a username and password.I need to find a way to hash the data with java as the server did with mysql.Here is a mysql hashing :[详细]

2023-04-08 13:58 分类：问答