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ASP.NET MVC - Set custom IIdentity or IPrincipal
... how I do it.
I decided to use IPrincipal instead of IIdentity because it means I don't have to implement both IIdentity and IPrincipal.
Create the interface
interface ICustomPrincipal : IPrincipal
{
int Id { get; set; }
string FirstName { get; set; }
string LastName { get; set; }
}
...
How to handle Objective-C protocols that contain properties?
...at objects holding references to them can use them in specific ways.
That means in your class that conforms to your protocol, you have to do everything to make sure anObject works.
@property and @synthesize are at heart two mechanisms that generate code for you. @property is just saying there w...
How can I add “href” attribute to a link dynamically using JavaScript?
...t something that works for you. It needs to work in all browsers, and that means you need to follow standards. FWIW, this works for me too (in Firefox), but I'm interested to know whether it is actually a standard way to do it. The W3C DOM specification (w3.org/TR/DOM-Level-2-Core/core.html) doesn't...
what is the difference between GROUP BY and ORDER BY in sql
...
They have totally different meaning and aren't really related at all.
ORDER BY allows you to sort the result set according to different criteria, such as first sort by name from a-z, then sort by the price highest to lowest.
(ORDER BY name, price DESC...
What is %2C in a URL?
...
Simple & Easy answer,
The %2C means , comma in URL. when you add the String "abc,defg" in the url as parameter then that comma in the string which is abc , defg is changed to abc%2Cdefg .There is no need to worry about it.
...
Perform Segue programmatically and pass parameters to the destination view
...
This still bothers me - this means I have to trigger segue in one place, where I have the data that I want to send as parameters nicely isolated from anything else, but to add that data in a completely different place - the prepareForSegue, where we don'...
Is Redis just a cache?
...ta structure server.
Being a cache in the form of a data structure server means a lot, because data structures are fundamentals of programs, or applications. Consider you are using SQL databases as storage technology and need to construct a list, a hash map, a ranking set or things like that, it's ...
ASP.Net MVC: How to display a byte array image from model
... and if you don't have too many of them, and if the images are not secret (meaning it's no big deal if one user could potentially see another person's image)...
Lots of "if"s here, so there's a good chance this is a bad idea:
You can store the image bytes in Cache for a short time, and make an ima...
What is a stack trace, and how can I use it to debug my application errors?
...?
A stacktrace is a very helpful debugging tool. It shows the call stack (meaning, the stack of functions that were called up to that point) at the time an uncaught exception was thrown (or the time the stacktrace was generated manually). This is very useful because it doesn't only show you where t...
What does !important mean in CSS?
What does !important mean in CSS?
5 Answers
5
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