hash

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Can't use string ("VIEW_hash") as a HASH ref while "strict refs" in use at test.pl line 10

Hi i really need a variable as hash name. But I am getting this errors. Can someone help?? #!/usr/bin/perl -w[详细]

2023-04-05 15:29 分类：问答
Rails partial updates problem with hashes

Rails ActiveRecord support partial updates and it works well most of the time, but in case we have serialized hash field AR executes update every time, even if nothing has been changed. Here example f[详细]

2023-04-05 15:27 分类：问答
Java: Hash function for objects

I\'m thinking about a hash function for arbitrary Java-objects for exercise means. The naive way would be to call the hashCode()-function for each attribute, add these hashes and then take the sum mod[详细]

2023-04-05 11:22 分类：问答
Merge hashes in array [ruby]

I have array of hashes [{:id=>2, :price_psm=>450, :rooms_count=>3, :sq=>50, :tax_inc=>\"t\", :title=>\"title1\"},[详细]

2023-04-05 10:50 分类：问答
Ruby, Append value to existing value for key value pair in hash table

I have a nested hash table. If i write json.each{|key, value| puts value; puts; puts value[x]; puts; puts value[x][0];[详细]

2023-04-05 10:41 分类：问答
How to get everything before the hash from the address bar with Javascript?

I know I can get the hash value directly with this bit of code: var hash = window.location.hash; But is there anyway I can get the eve开发者_开发百科rything before the hash value directly as well?[详细]

2023-04-05 08:43 分类：问答
Do hash functions contradict the founding assumptions of Evolutionary Algorithms? [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing th[详细]

2023-04-05 08:35 分类：问答
Javascript: Generating object keys inside a loop and pushing an array of objects into each?

I am working on a Google Map here: http://crocdoc.ifas.ufl.edu/projects/chameleonmapdev/ I have the data for the markers set up in this format:[详细]

2023-04-05 07:48 分类：问答
How does bcrypt keep up with Moore's law?

I have been seeing recommendations to use bcrypt to hash passwords because of its ability to keep up with Moore\'s Law.[详细]

2023-04-05 07:08 分类：问答
Ruby on Rails: I'm trying to recursively generate a hash, but I get {...} where there is supposed to be another depth of data

This is what I\'ve been getting: {:user=>{:employees=>{...}, :login=>\"dernalia\", :id=>1, :role=>2}}[详细]

2023-04-05 05:10 分类：问答