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How can I cast int to enum?
...(typeof(YourEnum), yourString);
// The foo.ToString().Contains(",") check is necessary for enumerations marked with an [Flags] attribute
if (!Enum.IsDefined(typeof(YourEnum), foo) && !foo.ToString().Contains(","))
{
throw new InvalidOperationException($"{yourString} is not an underlying...
ExpressJS How to structure an application?
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OK, it's been a while and this is a popular question, so I've gone ahead and created a scaffolding github repository with JavaScript code and a long README about how I like to structure a medium-sized express.js application.
focusaurus/express_code_str...
What is makeinfo, and how do I get it?
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edited Aug 19 '14 at 22:16
hek2mgl
126k1717 gold b...
UI Design Pattern for Windows Forms (like MVVM for WPF)
MVVM is most commonly used with WPF because it is perfectly suited for it. But what about Windows Forms? Is there an established and commonly used approach / design pattern like this for Windows Forms too? One that works explicitly well with Windows Forms? Is there a book or an article that describe...
Testing service in Angular returns module is not defined
... the Angular Seed project on GitHub), but I keep getting the error "module is not defined".
7 Answers
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Django vs. Model View Controller [closed]
...rk.
Django has been referred to as an MTV framework because the controller is handled by the framework itself and most of the excitement happens in models, templates and views.
You can read more about MTV / MVC here:
The MTV (or MVC) Development Pattern
If you’re familiar with other MVC
Web-devel...
Java default constructor
What exactly is a default constructor — can you tell me which one of the following is a default constructor and what differentiates it from any other constructor?
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What is the best way to check for Internet connectivity using .NET?
What is the fastest and most efficient way to check for Internet connectivity in .NET?
27 Answers
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C++: const reference, before vs after type-specifier
What is the difference between the arguments in:
7 Answers
7
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How to check for an undefined or null variable in JavaScript?
...r) // throws error
A variable that has been declared but not initialized is undefined.
let foo;
if (foo) //evaluates to false because foo === undefined
Undefined properties , like someExistingObj.someUndefProperty. An undefined property doesn't yield an error and simply returns undefined, whic...