大约有 10,000 项符合查询结果（耗时：0.0371秒） [XML]
Programmatically align a toolbar on top of the iPhone keyboard
...ppears. In the second press the keyboard appears with the toolbar have any idea about it ?
– Ugur Kumru
Feb 16 '12 at 14:45
...
Can I change the height of an image in CSS :before/:after pseudo-elements?
...y to style the image, but you can style the box.
The following is just an idea, and the solution above is more practical.
.pdflink:after {
content: url('/images/pdf.png');
transform: scale(.5);
}
http://jsfiddle.net/Nwupm/
Drawbacks: you need to know the intrinsic dimensions of the ima...
MVC Razor view nested foreach's model
...elpers need an expression. And you are just giving them a value. It has no idea
what the context is for that value, and it doesn't know what to do with it.
Now some people suggested using partials to render. Now this in theory will work, but probably not the way that you expect. When you render a p...
What would a “frozen dict” be?
...e seldom useful frozenset in python, there's still no frozen mapping. The idea was rejected in PEP 416 -- Add a frozendict builtin type. The idea may be revisited in Python 3.9, see PEP 603 -- Adding a frozenmap type to collections.
So the python 2 solution to this:
def foo(config={'a': 1}):
...
How to append rows to an R data frame
...e approach you want to take.
Original answer
This is really not a good idea, but if you wanted to do it this way, I guess you can try:
for (i in 1:10) {
df <- rbind(df, data.frame(x = i, y = toString(i)))
}
Note that in your code, there is one other problem:
You should use stringsAsFac...
What are these ^M's that keep showing up in my files in emacs?
...
I'm using Android Studio (JetBrains IntelliJ IDEA) on Mac OS and my problem was that ^M started to show up in some files in my pull request on GitHub.
What worked for me was changing line separator for a file.
Open the desired file in the editor go to
File go to
Line S...
Format JavaScript date as yyyy-mm-dd
...work correctly with daylight savings though.
– Joe's Ideas
Nov 25 '19 at 6:00
2
@JoeDevmon : I do...
How to insert text at beginning of a multi-line selection in vi/Vim
...
Any idea why this wouldn't do anything after pushing esc? I waited like 10 seconds for something to happen on less than a hundred lines -- Never mind, I was pushing Shift + v not CTRL + v. @vkaul11 Probably the same thing what yo...
How to decompile a whole Jar file? [closed]
...\rt.jar c:\Temp\source\
See also How to decompile to java files intellij idea for a command working with recent IntelliJ IDEA.
share
|
improve this answer
|
follow
...
How to grey out a button?
...nswers work fine, but I remember learning that using setAlpha can be a bad idea performance wise (more info here). So creating a StateListDrawable is a better idea to manage disabled state of buttons. Here's how:
Create a XML btn_blue.xml in res/drawable folder:
<!-- Disable background -->
&...