大约有 13,000 项符合查询结果（耗时：0.0280秒） [XML]
Global and local variables in R
...nding how to use them:
http://stat.ethz.ch/R-manual/R-devel/library/base/html/environment.html
http://stat.ethz.ch/R-manual/R-devel/library/base/html/get.html
Here you have a small example:
test.env <- new.env()
assign('var', 100, envir=test.env)
# or simply
test.env$var <- 100
get('var...
How to style a div to be a responsive square? [duplicate]
...ewport-percentage length vw.
Here is a quick example I made on jsfiddle.
HTML:
<div class="square">
<h1>This is a Square</h1>
</div>
CSS:
.square {
background: #000;
width: 50vw;
height: 50vw;
}
.square h1 {
color: #fff;
}
I am sure there are many ...
Converting between strings and ArrayBuffers
...problem, and it is much slower than a direct solution. I've made a post in html5rocks with a simpler and (much faster) solution:
http://updates.html5rocks.com/2012/06/How-to-convert-ArrayBuffer-to-and-from-String
And the solution is:
function ab2str(buf) {
return String.fromCharCode.apply(null,...
Switching a DIV background image with jQuery
...
One way to do this is to put both images in the HTML, inside a SPAN or DIV, you can hide the default either with CSS, or with JS on page load. Then you can toggle on click. Here is a similar example I am using to put left/down icons on a list:
$(document).ready(function...
What is the purpose of “android.intent.category.DEFAULT”?
...
Reference:
http://developer.android.com/guide/components/intents-filters.html
Extract from that page:
Android treats all implicit intents passed tostartActivity() as if they contained at least one category: "android.intent.category.DEFAULT" (the CATEGORY_DEFAULT constant). Therefore, activit...
What ports does RabbitMQ use?
...e the management port has changed to 15672 in 3.x: rabbitmq.com/management.html#configuration
– Greg M. Krsak
Mar 12 '13 at 13:29
4
...
Disable scrolling on ``
...2/
For jQuery example and a cross-browser solution see related question:
HTML5 event listener for number input scroll - Chrome only
share
|
improve this answer
|
follow
...
Use Font Awesome Icon As Favicon
...gt; element to the desired SVG in the hosted Font Awesome library.
Example HTML for a "rocket" bookmark icon hosted on jsDelivr:
<head>
<link rel=icon href=https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@5.14/svgs/solid/rocket.svg>
</head>
What it looks like in Chrom...
Resize image in PHP
...unction which meets the OPs requirements...
function store_uploaded_image($html_element_name, $new_img_width, $new_img_height) {
$target_dir = "your-uploaded-images-folder/";
$target_file = $target_dir . basename($_FILES[$html_element_name]["name"]);
$image = new SimpleImage();...
Does Android support near real time push notification?
...
developer.android.com/videos/index.html#v=PLM4LajwDVc Google I/O 2010 Presentation about Push Notifications
– vokilam
Feb 2 '11 at 8:56
...