大约有 43,000 项符合查询结果（耗时：0.0575秒） [XML]
Remove all child elements of a DOM node in JavaScript
... will be faster than innerHTML as browsers won't invoke their HTML parsers and will instead immediately replace all children of the element with a single #text node.
doFoo.onclick = () => {
const myNode = document.getElementById("foo");
myNode.textContent = '';
}
<div id='foo' st...
Overloading Macro on Number of Arguments
I have two macros FOO2 and FOO3 :
8 Answers
8
...
How can I make SQL case sensitive string comparison on MySQL?
....com/doc/refman/5.0/en/case-sensitivity.html
The default character set and collation are latin1 and latin1_swedish_ci, so nonbinary string comparisons are case insensitive by default. This means that if you search with col_name LIKE 'a%', you get all column values that start with A or a. To mak...
Android: Is it possible to display video thumbnails?
...ist of recorded videos where each item consists of icon, video title, tags and location information the following way:
10 A...
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...
Devise Secret Key was not set
...
I ran bundle update this morning and started getting the same error.
I added it as a line in config/initializers/devise.rb and the error was fixed.
This seems to be the commit which introduced it.
...
jQuery set radio button
...
+1 for prop vs attr. attr deprecated for properties and no longer work in jQuery 2.0 ))
– gavenkoa
Dec 20 '13 at 16:09
add a comment
...
Is there an alternative to string.Replace that is case-insensitive?
I need to search a string and replace all occurrences of %FirstName% and %PolicyAmount% with a value pulled from a database. The problem is the capitalization of FirstName varies. That prevents me from using the String.Replace() method. I've seen web pages on the subject that suggest
...
Check with jquery if div has overflowing elements
I have a div with a fixed height and overflow:hidden;
9 Answers
9
...
Declaring array of objects
I have a variable which is an array and I want every element of the array to act as an object by default. To achieve this, I can do something like this in my code.
...