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What's an elegant way to conditionally add a class to an HTML element in a view?
...ue is inspired by an add-on called classNames (formerly known as classSet) from Facebook’s React front-end framework.
Using in your Rails projects
As of now, the class_names function does not exist in Rails, but this article shows you how to add or implement it into your projects.
...
What is the difference between RegExp’s exec() function and String’s match() function?
...e "index", the "index" it gives is really an nth occurrence, it's counting from 1. So you could derive the proper index by subtracting 1. And as you can see it gives 0 - lastIndex of 0 - for not found).
And if you want to stretch match, you can use it when you are capturing, but not when the regex ...
How do I declare a 2d array in C++ using new?
...ated with delete, just keep this in mind and be sure to delete this memory from the heap when you're done with it to prevent leaks.
– Kekoa
Jun 1 '09 at 20:51
85
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catch all unhandled exceptions in ASP.NET Web Api
...ken cancellationToken)
{
Handle(context);
return Task.FromResult<object>(null);
}
public void Handle(ExceptionHandlerContext context)
{
// Create your own custom result here...
// In dev, you might want to null out the result
// to disp...
When to use static classes in C# [duplicate]
...ndards, standards, standards!
Using instance methods does not inhibit you from also using static methods, and vice versa. As long as there's reasoning behind the differentiation and it's standardised. There's nothing worse than looking over a business layer sprawling with different implementation m...
Java: Class.this
...code; does every Java function have an associated anonymous class separate from the class it is a member of?
– poundifdef
Apr 3 '11 at 15:03
4
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How to trigger event when a variable's value is changed?
...ge of this approach is that you let any other classes that want to inherit from your class to change the behavior if necessary.
If you want to catch an event in a different thread that it's being raised you must be careful not to change the state of objects that are defined in another thread which ...
What's the difference between == and .equals in Scala?
...he AnyRef.equals(Any) method is the one overridden by subclasses. A method from the Java Specification that has come over to Scala too. If used on an unboxed instance, it is boxed to call this (though hidden in Scala; more obvious in Java with int->Integer). The default implementation merely comp...
What's the difference between Invoke() and BeginInvoke()
....BeginInvoke is easier to get right, and will avoid your background thread from having to wait for no good reason. Note that the Windows Forms team has guaranteed that you can use Control.BeginInvoke in a "fire and forget" manner - i.e. without ever calling EndInvoke. This is not true of async calls...
Validating an XML against referenced XSD in C#
...quires you know the schema beforehand rather than taking the inline schema from the xml.
– Lankymart
Jun 25 '13 at 9:46
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