在我的class AddCachedVotesToPosts < ActiveRecord::Migration
def self.up
add_column :posts, :cached_votes_total, :integer, :default => 0
add_column :posts, :cached_votes_score, :integer, :default => 0
add_column :posts, :cached_votes_up, :integer, :default => 0
add_column :posts, :cached_votes_down, :integer, :default => 0
add_column :posts, :cached_weighted_score, :integer, :default => 0
add_column :posts, :cached_weighted_total, :integer, :default => 0
add_column :posts, :cached_weighted_average, :float, :default => 0.0
add_index :posts, :cached_votes_total
add_index :posts, :cached_votes_score
add_index :posts, :cached_votes_up
add_index :posts, :cached_votes_down
add_index :posts, :cached_weighted_score
add_index :posts, :cached_weighted_total
add_index :posts, :cached_weighted_average
# Uncomment this line to force caching of existing votes
# Post.find_each(&:update_cached_votes)
end
def self.down
remove_column :posts, :cached_votes_total
remove_column :posts, :cached_votes_score
remove_column :posts, :cached_votes_up
remove_column :posts, :cached_votes_down
remove_column :posts, :cached_weighted_score
remove_column :posts, :cached_weighted_total
remove_column :posts, :cached_weighted_average
end
end
中，Doxygen将main.cpp对象的实例化识别为函数声明。这仅适用于具有带参数的构造函数的对象（例如，uart被完全识别）。
在评论中设置timer_a属性不起作用。
以下是代码段：
\var