大约有 40,000 项符合查询结果（耗时：0.0556秒） [XML]
Cast Int to enum in Java
...Oct 21 '16 at 13:57
Andrew Tobilko
42.5k1111 gold badges6666 silver badges119119 bronze badges
answered May 4 '11 at 5:28
...
Swipe to Delete and the “More” button (like in Mail app on iOS 7)
How to create a "more" button when user swipe a cell in table view (like mail app in ios 7)
20 Answers
...
Resizing an iframe based on content
I am working on an iGoogle-like application. Content from other applications (on other domains) is shown using iframes.
20...
Stop pip from failing on single package when installing with requirements.txt
I am installing packages from requirements.txt
6 Answers
6
...
Is it a good practice to place C++ definitions in header files?
...clarations in an include file, and definitions in a .cpp file, very much like stipulated in Loki's answer to C++ Header Files, Code Separation . Admittedly, part of the reason I like this style probably has to do with all the years I spent coding Modula-2 and Ada, both of which have a similar schem...
How to find list of possible words from a letter matrix [Boggle Solver]
...y I have been playing a game on my iPhone called Scramble. Some of you may know this game as Boggle. Essentially, when the game starts you get a matrix of letters like so:
...
How to search for occurrences of more than one space between words in a line
...
[ ]{2,}
SPACE (2 or more)
You could also check that before and after those spaces words follow. (not other whitespace like tabs or new lines)
\w[ ]{2,}\w
the same, but you can also pick (capture) only the spaces for tasks like replacement
\w([ ]{2,})\w
or see that...
Prevent scrolling of parent element when inner element scroll position reaches top/bottom? [duplicat
...ittle "floating tool box" - a div with position:fixed; overflow:auto .
Works just fine.
30 Answers
...
Assign multiple columns using := in data.table, by group
...
This now works in v1.8.3 on R-Forge. Thanks for highlighting it!
x <- data.table(a = 1:3, b = 1:6)
f <- function(x) {list("hi", "hello")}
x[ , c("col1", "col2") := f(), by = a][]
# a b col1 col2
# 1: 1 1 hi hello
# 2: 2 2 ...
Specifying column name in a “references” migration
I want to make a migration in Rails, referencing another table. Usually, I would do something like:
6 Answers
...