大约有 30,000 项符合查询结果(耗时:0.0296秒) [XML]
Get data from file input in JQuery
I actually have a file input and I would like to retrieve the Base64 data of the file.
7 Answers
...
How do I vertically align something inside a span tag?
...d text on its right side which works in a responsive web application. As a base I use the approach suggested by Eric Nickus and Felipe Tadeo.
If you want to achieve:
and this:
.container {
background: url( "https://i.imgur.com/tAlPtC4.jpg" ) no-repeat;
display: inline-block;
...
In Javascript/jQuery what does (e) mean?
...(e) {
// does something
alert(e.type); //will return you click
}
DEMO - Mouse Events DEMO uses e.which and e.type
Some useful references:
http://api.jquery.com/category/events/
http://www.quirksmode.org/js/events_properties.html
http://www.javascriptkit.com/jsref/event.shtml
http://ww...
Divide a number by 3 without using *, /, +, -, % operators
...3 + a/1000*3 + (..). In binary it's almost the same: 1 / 3 = 0.0101010101 (base 2), which leads to a / 3 = a/4 + a/16 + a/64 + (..). Dividing by 4 is where the bit shift comes from. The last check on num==3 is needed because we've only got integers to work with.
– Yorick Sijsli...
Count rows with not empty value
...e cases as =A1<>"" seems to arrive at the correct truthy/falsy value based on how we intuitively think of blank cells, either virgin blanks or created blanks.
So imagine we have this data and we want the Count of non-blanks in B2:B6:
| | A | B | C |
|---|-------------...
Generating a unique machine id
...ock. In practice, this will be rare, but be aware if you expect it to be a base for security that can be attacked by hardcore hackers.
Of course a registry entry can also be easily changed by anyone to forge a machine GUID, but what I found is that this would disrupt normal operation of so many com...
Undefined reference to pthread_create in Linux
I picked up the following demo off the web from https://computing.llnl.gov/tutorials/pthreads/
14 Answers
...
git rebase without changing commit timestamps
Would it make sense to perform git rebase while preserving the commit timestamps?
5 Answers
...
Why is reading lines from stdin much slower in C++ than Python?
... to the top of your main, you should see much better performance:
std::ios_base::sync_with_stdio(false);
Normally, when an input stream is buffered, instead of reading one character at a time, the stream will be read in larger chunks. This reduces the number of system calls, which are typically re...
【持续更新】App Inventor 2 中文拓展一览 - App Inventor 2 中文网 - 清泛...
...图像】TaifunImage 拓展:图片压缩剪裁处理
【图像】SimpleBase64 拓展:图像Base64编解码传输
【图像】KIO4_Base64 拓展:更强大的图像Base64编解码工具,解码后的图像可写入到文件
【图像】ImageUtil 拓展:图像组件的附加工具,提供...
