大约有 26,000 项符合查询结果(耗时:0.0610秒) [XML]

https://stackoverflow.com/ques... 

Specifying an Index (Non-Unique Key) Using JPA

...javax.persistence.Index; import javax.persistence.Table; @Entity @Table(name = "region", indexes = {@Index(name = "my_index_name", columnList="iso_code", unique = true), @Index(name = "my_index_name2", columnList="name", unique = false)}) public class Region{ @Col...
https://stackoverflow.com/ques... 

Is it possible to use AutoLayout with UITableView's tableHeaderView?

...height can then be applied to the header, and the header is set a second time to reflect the change. - (void)viewDidLoad { [super viewDidLoad]; self.header = [[SCAMessageView alloc] init]; self.header.titleLabel.text = @"Warning"; self.header.subtitleLabel.text = @"This is a messag...
https://stackoverflow.com/ques... 

Comment out text in R Markdown (Rmd file)

In an R Markdown ( .Rmd ) file, how do you comment out unused text? I'm not referring to the text in the R code chunk, but the general texts, like % in LaTex for example. ...
https://stackoverflow.com/ques... 

Why were pandas merges in python faster than data.table merges in R in 2012?

I recently came across the pandas library for python, which according to this benchmark performs very fast in-memory merges. It's even faster than the data.table package in R (my language of choice for analysis). ...
https://stackoverflow.com/ques... 

Can't append element

Any idea why the piece of code below does not add the script element to the DOM? 18 Answers ...
https://stackoverflow.com/ques... 

How can I change the default width of a Twitter Bootstrap modal box?

...g to change it with JS/jQuery? You can easily do it with just CSS, which means you don't have to do your styling in the document. In your own custom CSS file, you add: body .modal { /* new custom width */ width: 560px; /* must be half of the width, minus scrollbar on the left (30px) *...
https://stackoverflow.com/ques... 

Windows XP or later Windows: How can I run a batch file in the background with no window displayed?

...ion ( Running Batch File in background when windows boots up ), but this time I need to launch a batch: 9 Answers ...
https://stackoverflow.com/ques... 

How to support UTF-8 encoding in Eclipse

...sian language but eclipse won't support it. What should I do? Please guide me. 7 Answers ...
https://stackoverflow.com/ques... 

Performance optimization strategies of last resort [closed]

...are plenty of performance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization. ...
https://stackoverflow.com/ques... 

How can I get stock quotes using Google Finance API?

...is. Getting stock quotes is a little harder. I found one article where someone got stock quotes using Google Spreadsheets. You can also use the gadgets but I guess that's not what you're after. The API you mention is interesting but doesn't seem to be documented (as far as I've been able to find...