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ASP.NET MVC: Is Controller created for every request?
...created for every HTTP request, or are they created at application startup and reused throughout requests?
4 Answers
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'const string' vs. 'static readonly string' in C#
...e a const value in a different assembly, then update the original assembly and change the value, the other assembly won't see the change until you re-compile it.
A static readonly string is a normal field that gets looked up at runtime. Therefore, if the field's value is changed in a different ass...
How do I cancel form submission in submit button onclick event?
... then your form doesn't submit.
You should also probably move your event handler from inline.
document.getElementById('my-form').onsubmit = function() {
return isValidForm();
};
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How to list imported modules?
... Or you could find the intersection of sys.modules with globals, and do no type testing at all.
– Marcin
Oct 15 '13 at 15:15
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How can I know if a branch has been already merged into master?
...this applies to only the local branches. The -a flag will show both local and remote branches, and the -r flag shows only the remote branches.
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jQuery DataTables: control table width
...s requires special consideration, is that when DataTables is
initialised and it is in a hidden element, the browser doesn't have
any measurements with which to give DataTables, and this will require
in the misalignment of columns when scrolling is enabled.
The method to get around this is...
Checking whether something is iterable
...terability is as follows:
function isIterable(obj) {
// checks for null and undefined
if (obj == null) {
return false;
}
return typeof obj[Symbol.iterator] === 'function';
}
Why this works (iterable protocol in depth): https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Ite...
How to configure socket connect timeout
...
I found this. Simpler than the accepted answer, and works with .NET v2
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Connect using a timeout (5 seconds)
IAsyncResult result = socket.BeginConnect( sIP, iPort, null, null )...
Convert SVG to image (JPEG, PNG, etc.) in the browser
...
If the browser supports SVG and canvas, then there would be a much simpler way to load the SVG into memory and then paint it into a canvas, without the need for Canvg, which is a pretty large library because it handles all the SVG parsing that an SVG-su...
CORS - How do 'preflight' an httprequest?
...domain scripting limitations. Because my service must accommodate both GET and POST requests I cannot implement some dynamic script tag whose src is the URL of a GET request. Since I am free to make changes at the server I have begun to try to implement a workaround that involves configuring the ser...