大约有 44,000 项符合查询结果（耗时：0.0685秒） [XML]
How do I make background-size work in IE?
... answered Jun 15 '11 at 6:18
DanDan
9,26177 gold badges3535 silver badges3131 bronze badges
...
How to make UIButton's text alignment center? Using IB
...:
myButton.titleLabel?.textAlignment = NSTextAlignment.Center
Swift 4.x and above
myButton.titleLabel?.textAlignment = .center
share
|
improve this answer
|
follow
...
Split data frame string column into multiple columns
... stringr::str_split_fixed
library(stringr)
str_split_fixed(before$type, "_and_", 2)
share
|
improve this answer
|
follow
|
...
In Matplotlib, what does the argument mean in fig.add_subplot(111)?
...ed as a single integer. For example, "111" means "1x1 grid, first subplot" and "234" means "2x3 grid, 4th subplot".
Alternative form for add_subplot(111) is add_subplot(1, 1, 1).
share
|
improve th...
jQuery Datepicker with text input that doesn't allow user input
...
You should be able to use the readonly attribute on the text input, and jQuery will still be able to edit its contents.
<input type='text' id='foo' readonly='true'>
share
|
improve th...
Swift days between two NSDates
I'm wondering if there is some new and awesome possibility to get the amount of days between two NSDates in Swift / the "new" Cocoa?
...
What is the difference between exit(0) and exit(1) in C?
Can anyone tell me? What is the difference between exit(0) and exit(1) in C language?
11 Answers
...
How to verify if a file exists in a batch file?
... IF /? help file: The ELSE clause must occur on the same line as the command after the IF. This burned me. hope it helps you.
– funkymushroom
Feb 27 '14 at 17:58
...
How do I convert a numpy array to (and display) an image?
...
You could use PIL to create (and display) an image:
from PIL import Image
import numpy as np
w, h = 512, 512
data = np.zeros((h, w, 3), dtype=np.uint8)
data[0:256, 0:256] = [255, 0, 0] # red patch in upper left
img = Image.fromarray(data, 'RGB')
img.sa...
How do I sort one vector based on values of another
...
This is pretty and shows a good understanding of R's built-ins. +1
– Godeke
Oct 15 '09 at 15:21
6
...