大约有 47,000 项符合查询结果（耗时：0.0668秒） [XML]
Find the day of a week
Let's say that I have a date in R and it's formatted as follows.
7 Answers
7
...
How to check if a query string value is present via JavaScript?
How can I check if the query string contains a q= in it using JavaScript or jQuery?
10 Answers
...
Print only?
How do I print the indicated div (without manually disabling all other content on the page)?
30 Answers
...
Using Sinatra for larger projects via multiple files
It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...
Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures
In ASP.NET MVC, you can mark up a controller method with AuthorizeAttribute , like this:
7 Answers
...
Specifying an Index (Non-Unique Key) Using JPA
How do you define a field, eg email as having an index using JPA annotations. We need a non-unique key on email because there are literally millions of queries on this field per day, and its a bit slow without the key.
...
Detect viewport orientation, if orientation is Portrait display alert message advising user of instr
I am building a website specifically for mobile devices. There is one page in particular which is best viewed in landscape mode.
...
Pandas DataFrame Groupby two columns and get counts
I have a pandas dataframe in the following format:
6 Answers
6
...
How is the default submit button on an HTML form determined?
If a form is submitted but not by any specific button, such as
14 Answers
14
...
What's the best/easiest GUI Library for Ruby? [closed]
Whats the best/easiest GUI library out there for Ruby?
19 Answers
19
...