我試圖更好地理解模塊如何擴展和包含對方。 說我有模塊一個: module A
def learned_from_A
true
end
end
A.instance_methods # [:learned_from_A]
我的錦囊混入乙: module B
extend A
end
B.learned_from_A # true
我天真地試
我正在嘗試爲了調試目的而通過發佈scrapy抓取輸出列表。 這裏是我的代碼: post_list = []
with open('last_crawl_output.txt','r') as f:
crawl_output = f.read()
# Find first 'referer' that indicates start of scrapy crawl AFTER in