大约有 41,000 项符合查询结果（耗时：0.0565秒） [XML]
HTML img scaling
...
Only set the width or height, and it will scale the other automatically. And yes you can use a percentage.
The first part can be done, but requires JavaScript, so might not work for all users.
...
Export a graph to .eps file with R
How do I export a graph to an .eps format file? I typically export my graphs to a .pdf file (using the 'pdf' function), and it works quite well. However, now I have to export to .eps files.
...
How get integer value from a enum in Rails?
I have a enum in my Model that corresponds to column in the database.
5 Answers
5
...
Best way to concatenate List of String objects? [duplicate]
...Java API and very unlikely to change, there's a chance it could. It's far more reliable to implement this yourself (loops, StringBuilders, recursion whatever you like better).
Sure this approach may seem "neater" or more "too sweet" or "money" but it is, in my opinion, a worse approach.
...
Count number of occurences for each unique value
...= rep(c(1,2, 2, 2), 25)
table(dummyData)
# dummyData
# 1 2
# 25 75
## or another presentation of the same data
as.data.frame(table(dummyData))
# dummyData Freq
# 1 1 25
# 2 2 75
share
...
How to center buttons in Twitter Bootstrap 3?
I am building a form in Twitter Bootstrap but I'm having issues with centering the button below the input in the form. I have already tried applying the center-block class to the button but that didn't work. How should I fix this?
...
Formatting code snippets for blogging on Blogger [closed]
...
Can anyone confirm if this still works? I tried pasting the script tag just before the </head> section and added the pre tag around my code as well. No change though.
– arviman
Nov 2 '11 at 4:21
...
Allowing interaction with a UIView under another UIView
...
You should create a UIView subclass for your top view and override the following method:
- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
// UIView will be "transparent" for touch events if we return NO
return (point.y < MIDDLE_Y1 || p...
How to match a String against string literals in Rust?
...k the match fails because of whitespace that trim() removes. This is nice for deferencing to match against user input.
– Gerard Sexton
Sep 20 '16 at 13:25
1
...
How to make asynchronous HTTP requests in PHP
...nse, I just want to do something like file_get_contents() , but not wait for the request to finish before executing the rest of my code. This would be super useful for setting off "events" of a sort in my application, or triggering long processes.
...