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What's the difference between passing by reference vs. passing by value?
...sed to say:
Say I want to share a web page with you. If I tell you the URL, I'm
passing by reference. You can use that URL to see the same web page I
can see. If that page is changed, we both see the changes. If you
delete the URL, all you're doing is destroying your reference to that
pa...
Ways to circumvent the same-origin policy
...nRequest object to cover all browsers:
function createCORSRequest(method, url){
var xhr = new XMLHttpRequest();
if ("withCredentials" in xhr){
xhr.open(method, url, true);
} else if (typeof XDomainRequest != "undefined"){
xhr = new XDomainRequest();
xhr.open(meth...
How to set timeout for http.Get() requests in Golang?
I'm making a URL fetcher in Go and have a list of URLs to fetch. I send http.Get() requests to each URL and obtain their response.
...
How do I catch an Ajax query post error?
...handling
});
Another way is using .ajax:
$.ajax({
type: "POST",
url: "some.php",
data: "name=John&location=Boston",
success: function(msg){
alert( "Data Saved: " + msg );
},
error: function(XMLHttpRequest, textStatus, errorThrown) {
alert("some error");
}
});
...
HTTP headers in Websockets client API
...nd then passes this ticket during WebSocket connection setup either in the URL/query string, in the protocol field, or required as the first message after the connection is established. The server then only allows the connection to continue if the ticket is valid (exists, has not been already used, ...
How do I return the response from an asynchronous call?
...;
Applied to our Ajax call we could use promises like this:
function ajax(url) {
return new Promise(function(resolve, reject) {
var xhr = new XMLHttpRequest();
xhr.onload = function() {
resolve(this.responseText);
};
xhr.onerror = reject;
xhr.open('GET', url);
xhr.se...
Show loading image while $.ajax is performed
...nd hide it after it completes:
$('#loading-image').show();
$.ajax({
url: uri,
cache: false,
success: function(html){
$('.info').append(html);
},
complete: function(){
$('#loading-image').hide();
}
});
I usually prefer the more general soluti...
S3 Static Website Hosting Route All Paths to Index.html
...will use HTML5 pushStates. The problem is if the user bookmarks any of the URLs, it will not resolve to anything. What I need is the ability to take all url requests and serve up the root index.html in my S3 bucket, rather than just doing a full redirect. Then my javascript application could parse t...
How to manually set an authenticated user in Spring Security / SpringMVC
...setting secure session cookies, and your next page requested has an "http" URL instead of an "https" URL. (The browser won't send a secure cookie for an "http" URL.)
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Android: Test Push Notification online (Google Cloud Messaging) [closed]
...n: key=' . API_ACCESS_KEY,
'Content-Type: application/json'
);
$ch = curl_init();
curl_setopt( $ch,CURLOPT_URL, 'https://android.googleapis.com/gcm/send' );
curl_setopt( $ch,CURLOPT_POST, true );
curl_setopt( $ch,CURLOPT_HTTPHEADER, $headers );
curl_setopt( $ch,CURLOPT_RETURNTRANSFER, true );
c...