大约有 6,100 项符合查询结果（耗时：0.0236秒） [XML]
Do I use , , or for SVG files?
... multiple backgrounds to do it automatically:
div {
background-image: url(fallback.png);
background-image: url(your.svg), none;
}
Note: the multiple backgrounds strategy doesn't work on Android 2.3 because it supports multiple backgrounds but not svg.
An additional good read is this bl...
Express next function, what is it really for?
...h.
This is useful, say if you want to have some kind of page manager with url slugs, as well as lots of other things, but here's an example.
app.get('/:pageslug', function(req, res, next){
var page = db.findPage(req.params.pageslug);
if (page) {
res.send(page.body);
} else {
next();
...
Does IMDB provide an API? [closed]
....com/suggests/f/foo.json');
// 2) Using jQuery (JSON-P)
jQuery.ajax({
url: 'https://sg.media-imdb.com/suggests/f/foo.json',
dataType: 'jsonp',
cache: true,
jsonp: false,
jsonpCallback: 'imdb$foo'
}).then(function (results) {
/* ... */
});
// 3) Pure JSON (with jQuery)
// Us...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...manage
# the database. GRID_CONTROL需要设定grid control的远程路径URL
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.gridcontrol.gridControlServiceURL=
################################################################...
How do you post to an iframe?
... temporary form, then send data using jQuery :
function postToIframe(data,url,target){
$('body').append('<form action="'+url+'" method="post" target="'+target+'" id="postToIframe"></form>');
$.each(data,function(n,v){
$('#postToIframe').append('<input type="hidden" na...
CSS force image resize and keep aspect ratio
...-image and set background-size: contain:
div.image{
background-image: url("your/url/here");
background-size: contain;
background-repeat: no-repeat;
background-position: center;
}
Now you can just set your div size to whatever you want and not only will the image keep its aspect ra...
Mongoose and multiple database in single node.js project
...Client = require('mongodb').MongoClient;
async function getConnections(url,db){
return new Promise((resolve,reject)=>{
MongoClient.connect(url, { useUnifiedTopology: true },function(err, client) {
if(err) { console.error(err)
resolve(fa...
Maven Install on Mac OS X
...void a 404. 'brew edit maven'. I hard coded in one of the mirrors for the 'url' and also had to change the 'sha' checksum. url 'apache.mesi.com.ar/maven/maven-3/3.0.4/binaries/…' sha1 'aecc0d3d67732939c0056d4a0d8510483ee1167e'
– Derek
Oct 30 '13 at 9:14
...
Combine :after with :hover
...
in scss
&::after{
content: url(images/RelativeProjectsArr.png);
margin-left:30px;
}
&:hover{
background-color:$turkiz;
color:#e5e7ef;
&::after{
content: url(images/RelativeProjectsArrHover.png);
}
}
...
How is an HTTP POST request made in node.js?
...'POST',
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
'Content-Length': Buffer.byteLength(post_data)
}
};
// Set up the request
var post_req = http.request(post_options, function(res) {
res.setEncoding('utf8');
res.on('data', funct...