在下面的代碼中,我在靜態文件夾中有一個圖像:bsd.jpg。 在ajax成功方法中,我想將img src指向一個靜態圖像並顯示它。我無法弄清楚,爲什麼我運行此代碼,並得到一個錯誤:你在哪裏做 import Yesod.Static (staticFiles)
-- This generates easy references to files in the static directory a
我想下面的SQL翻譯成Esqueleto: SELECT id, task_id, author_id
FROM scenario
INNER JOIN (SELECT task_id as tId, author_id as aId, MAX(last_update) as lastUp
FROM scenario
GROUP BY task_id, author