大约有 15,000 项符合查询结果（耗时：0.0303秒） [XML]
How To Save Canvas As An Image With canvas.toDataURL()?
... </head>
<body onload="draw()">
<canvas width=200 height=200 id="thecanvas"></canvas>
<div><button onclick="to_image()">Draw to Image</button></div>
<image id="theimage"></image>
</body>
</html>...
How to split a large text file into smaller files with equal number of lines?
...le has around 2M lines, I'd like to split it up into 10 files that contain 200k lines, or 100 files that contain 20k lines (plus one file with the remainder; being evenly divisible doesn't matter).
...
CSS triangle custom border color
... it with two triangles....
.container {
margin: 15px 30px;
width: 200px;
background: #fff;
border: 1px solid #a00;
position: relative;
min-height: 200px;
padding: 20px;
text-align: center;
color: #fff;
font: bold 1.5em/180px Helvetica, sans-serif;
text-sh...
How can I make a div stick to the top of the screen once it's been scrolled to?
...onFixed = ($el.css('position') == 'fixed');
if ($(this).scrollTop() > 200 && !isPositionFixed){
$el.css({'position': 'fixed', 'top': '0px'});
}
if ($(this).scrollTop() < 200 && isPositionFixed){
$el.css({'position': 'static', 'top': '0px'});
}
});
When the...
Vertically align an image inside a div with responsive height
...m values.
.responsive-container {
margin: 1em auto;
min-width: 200px; /* cap container min width */
max-width: 500px; /* cap container max width */
position: relative;
overflow: hidden; /* crop if image is larger than container */
background-color: #CCC...
Sending a JSON to server and retrieving a JSON in return, without JQuery
...nge = function () {
if (xhr.readyState === 4 && xhr.status === 200) {
var json = JSON.parse(xhr.responseText);
console.log(json.email + ", " + json.password);
}
};
var data = JSON.stringify({"email": "hey@mail.com", "password": "101010"});
xhr.send(data);
Sending an...
Overloading and overriding
... at run time.
class Car
{
public int topSpeed()
{
return 200;
}
}
class Ferrari extends Car
{
public int topSpeed()
{
return 400;
}
public static void main(String args[])
{
Car car = new Ferrari();
int num= car.topSpeed();
Sys...
How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
I have a div 200 x 200 px. I want to place a 50 x 50 px image right in the middle of the div.
36 Answers
...
How do I scale a stubborn SVG embedded with the tag?
...
None of the answers given here worked for me when I asked this back in 2009. As I now had the same issue again I noticed that using the <img> tag and width together with an svg works fine.
<img width="400" src="image.svg">
...
Plot correlation matrix into a graph
..."AOE", col=col1(10),addCoef.col="grey")
corrplot(M, order="AOE", col=col2(200))
corrplot(M, order="AOE", col=col2(200),addCoef.col="grey")
corrplot(M, order="AOE", col=col2(20), cl.length=21,addCoef.col="grey")
corrplot(M, order="AOE", col=col2(10),addCoef.col="grey")
corrplot(M, order="AOE", col=...