漫画脸
rails object in rescue after transaction failure is saved
i have a transaction to ensure two models get saved at the same time. begin Recipe.transaction do @recipe.save![详细]
2022-12-20 16:07 分类：问答苹果鼠标多少钱啊？一个苹果鼠标要多少钱？
暴走喷子_166 2022-05-17 01:45 正品的 400多，如果是假的几十就有。个人认为还是买雷柏 罗技的这类比较好，这个价位的苹果外观确实很吸引人，但是性能却不怎开发者_如何学运维么样。[详细]
2022-12-20 15:37 分类：问答Help with a T_ELSE parse error: syntax error [closed]
This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time,or an extraordinarily narrow situation that is not generally applic[详细]
2022-12-20 14:23 分类：问答书要多读下一句是什么呢？？
快餐的忧伤 2022-05-17 16:48 “读书破万卷，下笔如有神”，是唐代大诗人杜甫的名句。后人对这两句诗作过不同的解释，清代仇兆鳌的《杜诗详注》，对于“读书破万卷”中的“破”字举有三说，一曰：“胸罗万卷，[详细]
2022-12-20 11:29 分类：问答Compare bit sets efficiently
I want to store permissions in a bit set to compare them efficiently in Java. A 1 would mean p开发者_高级运维ermission granted and 0 permission denied. If the authorization is performed the required p[详细]
2022-12-20 09:23 分类：问答猫巷女王的提问:修罗加点问题？
星愿欣 2022-05-21 18开发者_JAVA百科:44 还不错邪光满，珠子满。小冰满。大冰。45大招。这些满了刷图基本无压力了[详细]
2022-12-19 21:13 分类：问答Failed eclipse update when trying to install eclipse
When trying to install eclipse using the eclipse new software feature, I get this error: Cannot complete the install because one or more required items could not be found.[详细]
2022-12-19 12:59 分类：问答how can move the child only inside the parent?
Recently I worked in a project using Flex. Its a Photo editing project. I have took a Canvas and take a image in that canvas using the code canvas.addChild(image) . Now i can move the image freely by[详细]
2022-12-19 07:11 分类：问答getting the id of a created record in SQLAlchemy
How can I getthe id of the created record in SQLAlchemy? I\'m doing: engine.execute(\"insert into users values(1,\'john\')开发者_如何学C\")[详细]
2022-12-19 03:48 分类：问答
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