Pythonformat
Using reshape + cast to aggregate over multiple columns
In R, I have a data frame with columns for Seat (factor), Party (factor) and Votes (numeric). I want to create a summary data frame with columns for Seat, Winning party, and Vote share. For example, f[详细]
2022-12-29 15:47 分类：问答What's the difference between 'service' and 'server'?
I can imagine that the \'serv开发者_如何学Cer\' can be a machine/host but can be also a program like ftp server, smtp server, etc..[详细]
2022-12-29 15:45 分类：问答中国移动总投资超30亿 建湖南数据中心？
互联网时代，“大数据”“云计算”成为人们互联网生活中最抢眼的词汇。昨天，中国移动(湖南株洲)数据中心在株洲云龙示范区举行奠基仪式。这个项目的建设，意味着未来湖南的大数据中心和云计算中心将落户株洲，这个项[详细]
2022-12-29 15:25 分类：问答iPad Custom Font
is there a way to load an own Font with the iPad SDK? I can开发者_如何学编程not find a useful example of what file-type the font has to be or how the LIB of the iPad is called.[详细]
2022-12-29 14:48 分类：问答今日头条飞聊下载？？
张先生 2022-03-10 10:25 飞聊是今日头条推出的线上社交交友服务平台。软件方便用户互相免费沟通，在App上搜寻好友，一同聊天，工作等。感兴趣的用户欢迎下载使用。[详细]
2022-12-29 13:29 分类：问答Can php query the results from a previous query?
In some languages (ColdFusion comes to mind), you can run a q开发者_如何学Pythonuery on the result set from a previous query. Is it possible to do something like that in php (with MySQL as the databas[详细]
2022-12-29 12:55 分类：问答How to get the location (x,y) of a CCLabel that is a child of a CCScene?
(learning Cocos2D) After creating a CCLabel and adding it to a CCLayer like this: //From HelloWorldScene.m[详细]
2022-12-29 12:45 分类：问答How to abandon all Mercurial changes that haven't been committed
How do you abandon all repository changes since the last commit in Mercurial? I don\'t think that this is the revert command, because that will actually update the working directory to the last commi[详细]
2022-12-29 11:46 分类：问答荣耀60天气怎么显示在桌面？
荣耀60怎么设置桌面天气？荣开发者_开发知识库耀60是一款全新的智能手机，由于功能什么的用户不怎么会用，比如想把天气直接放在手机桌面上显示怎么弄？如果你还不会的话，那就快看小编的文章内容了解吧。[详细]
2022-12-29 11:32 分类：问答
加载中,请稍侯......