基本上,我升级了一个1.8.7@rails2 app to
试图在串连的散列上使用 When trying to access the rails console to load up that 我最终会得到 使用精神引擎时的结果相似,有线索吗? 以下是以字符串格式显示的散列样本 :.ach_pair
时,我最终会得到syntax error, unexpected , , expecting keyword_end
@measure.coefficients.each_pair |key, value|
measure.coefficients
, it gives me a string. Which if I try running YAML.load(serialized_string)
in either "psych or syck as instructed by the following answer
rails error, couldn t parse YAMLArgumentError: syntax error on line 21, col 5: `
from /Users/user/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/syck.rb:135:in `load
"--- !map:HashWithIndifferentAccess
"1092": ""
"869": ""
"1039": ""
"2492": ""
"1389": ""
"1200": ""
"600": ""
"1928": ""
"1767": ""
"1498": ""
"899": ""
"711": ""
"1124": ""
"1312": ""
"1500": ""
"900": ""
"1152": ""
"1232": ""
"1340": ""
"1420": ""
"123"
collection_select and select Rails helpers: Which one should I use? I can t see a difference in both ways. Both helpers take a collection and generates options tags inside a select tag. Is there a ...