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How do I serialize a C# anonymous type to a JSON string?
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@Alxandr: You would need to reference System.Web.Extensions.dll and add a using System.Web.Script.Serialization; statement.
– randomguy
Aug 4 '10 at 17:38
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Insert code into the page context using a content script
...pt):
var s = document.createElement('script');
// TODO: add "script.js" to web_accessible_resources in manifest.json
s.src = chrome.runtime.getURL('script.js');
s.onload = function() {
this.remove();
};
(document.head || document.documentElement).appendChild(s);
Note: For security reasons, Chro...
In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
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WebSockets is definitely the future.
Long polling is a dirty workaround to prevent creating connections for each request like AJAX does -- but long polling was created when WebSockets didn't exist. Now due to WebSockets,
lo...
jQuery set radio button
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I found the answer here:
https://web.archive.org/web/20160421163524/http://vijayt.com/Post/Set-RadioButton-value-using-jQuery
Basically, if you want to check one radio button, you MUST pass the value as an array:
$('input:radio[name=cols]').val(['Site']);
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Run java jar file on a server as background process
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You can try this:
#!/bin/sh
nohup java -jar /web/server.jar &
The & symbol, switches the program to run in the background.
The nohup utility makes the command passed as an argument run in the background even after you log out.
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How can I force clients to refresh JavaScript files?
... URL is indeed a common solution. However, you can also manage this at the web server level, if you want to. The server can be configured to send different HTTP headers for javascript files.
For example, to force the file to be cached for no longer than 1 day, you would send:
Cache-Control: max-a...
Scala framework for a Rest API Server? [closed]
We are thinking on moving our Rest API Server (it is inside the web service, on Symfony PHP) to Scala for several reasons: speed, no overhead, less CPU, less code, scalability, etc. I didn't know Scala until several days ago but I've been enjoying what I've been learning these days with the Scala bo...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
I am curious if anyone has any information about the scalability of HTML WebSockets. For everything I've read it appears that every client will maintain an open line of communication with the server. I'm just wondering how that scales and how many open WebSocket connections a server can handle. Mayb...
How to change an input button image using CSS?
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guys, check the answer by SI Web Design below. please vote up if those answer is better.
– deval
Jan 2 '14 at 5:35
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
I have a Spring MVC web app which uses Spring Security. I want to know the username of the currently logged in user. I'm using the code snippet given below . Is this the accepted way?
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