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Show control hierarchy in the WinForms designer
One of our clients has an old WinForms application that contains forms with a lot of controls on them. Some of those controls have a deep hierarchy and that makes it to hard to select them in the designer.
...
What is the difference between aggregation, composition and dependency? [duplicate]
...nd Room (child). Rooms don't exist separate to a House.
The above two are forms of containment (hence the parent-child relationships).
Dependency is a weaker form of relationship and in code terms indicates that a class uses another by parameter or return type.
Dependency is a form of association...
How to escape a JSON string containing newline characters using JavaScript?
I have to form a JSON string in which a value is having new line character. This has to be escaped and then posted using AJAX call. Can any one suggest a way to escape the string with JavaScript. I am not using jQuery.
...
How does cookie based authentication work?
...and value in the dictionary item, so only the server can make use of the information. So then cookie would be secure.
A browser will save the cookies set by the server. In the HTTP header of every request the browser makes to that server, it will add the cookies. It will only add cookies for the ...
Calling method using JavaScript prototype
...a "do" property, it does not look up the prototypal chain.
The classical form of inheritance in Javascript is awkard, and hard to grasp. I would suggest using Douglas Crockfords simple inheritance pattern instead. Like this:
function my_class(name) {
return {
name: name,
do: f...
Rails create or update magic?
...h, in most cases, is hardly an issue at all. So unless you have serious performance concerns, I would not use the gem.
For example, if no user is found with the name "Roger", a new user instance is instantiated with its name set to "Roger".
user = User.where(name: "Roger").first_or_initialize
user...
Is there any Rails function to check if a partial exists?
...the following in my Rails 3/3.1 projects:
lookup_context.find_all('posts/_form').any?
The advantage over other solutions I've seen is that this will look in all view paths instead of just your rails root. This is important to me as I have a lot of rails engines.
This also works in Rails 4.
...
Just disable scroll not hide it?
...
I'm the OP
With the help of answer from fcalderan I was able to form a solution. I leave my solution here as it brings clarity to how to use it, and adds a very crucial detail, width: 100%;
I add this class
body.noscroll
{
position: fixed;
overflow-y: scroll;
width: 100%;
}...
ASP.NET MVC: Custom Validation by DataAnnotation
...lt; this.MinLength)
{
return new ValidationResult(this.FormatErrorMessage(validationContext.DisplayName));
}
return null;
}
}
and then you might have a view model and decorate one of its properties with it:
public class MyViewModel
{
[CombinedMinLength(...
Instantiating a generic class in Java [duplicate]
...tic method, use an abstract factory. You should be able to find detailed information and tutorials on the Abstract Factory Pattern in any basic design patterns book, introduction to OOP or all over the interwebs. It's not worth duplicating code here, other than to mention that Java's closure syntax ...