why is this tooltip following the opposite vertical direction?

I\'m developi开发者_运维知识库ng a \'home-made\' tooltip using Jquery and CSS, Seems to work OK,

From float to mpz_t

I am using GMP in C. Is it possible to set a mpz_t to the value of a f开发者_如何学Pythonloat?Yes, there\'s a function mpz_set_d that you can use for this purpose:

How can I create activerecord models that are subsets of a certain model?

I\'ve seen this before but can开发者_StackOverflow\'t figure out what the correct term is.Basically, I\'d like to create models for a specific subset of table data.E.g. (these are not the real classes

去医院验光要多少钱啊？眼镜之前一定要去医院验光吗？？

东华帝君 开发者_运维百科 2022-03-06 22:57 如果你附近有眼科医院的话，最好是去医院验光配镜，医院是医学验光，跟外面眼镜店确实不一样。眼镜没配好的话，对视力是有影响的哦。

WPF Popup - when to disable, how to keep in relative position to origin control? ;)

2 simpl questions. Given a WPF popup... What is a good way to hide it again when it is used like a submenu? WHich event is proper?

亲爱的公主病里的歌是叫什么？

母亲节花束的自制方法？

大家好，我是郝歌，本栏目的编辑。制作母亲节花束的超级简单的方法，更加立体简单。效果非常美观环保。制作一束手工花会有不同的含义，所以准备好材料，试试吧！

小学学好语文的步骤？

音开发者_运维问答频评论 你好，我是教育新闻网的客服熊雄。今天我给大家讲讲在这所小学学好语文的步骤。

体育培训如何办理营业执照？

音频评论 你好，我是教育新闻网的客服熊雄。今天给大家讲讲这个运动训练如何申请营业执照。

migrating C++ code from structures to classes

I am migrating some C++ code from structures to classes. I was using structures mainly for bit-field optimizations which I do not need any more (I am more worried about speed than saving space now).