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Is duplicated code more tolerable in unit tests?
I ruined several unit tests some time ago when I went through and refactored them to make them more DRY --the intent of each test was no longer clear. It seems there is a trade-off between tests' readability and maintainability. If I leave duplicated code in unit tests, they're more readable, but...
Inheritance vs. Aggregation [closed]
...inal class. Use aggregation. The new class has now the original class as a member.
However, there is a big gray area. So we need several other tricks.
If we have used inheritance (or we plan to use it) but we only use part of the interface, or we are forced to override a lot of functionality to ...
Examples of GoF Design Patterns in Java's core libraries
I am learning GoF Java Design Patterns and I want to see some real life examples of them. What are some good examples of these Design Patterns in Java's core libraries?
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Is there a function to deselect all text using JavaScript?
... selected text? I figure it's got to be a simple global function like document.body.deselectAll(); or something.
5 Answer...
Why do we use arrays instead of other data structures?
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Time to go back in time for a lesson. While we don't think about these things much in our fancy managed languages today, they are built on the same foundation, so let's look at how memory is managed in C.
Before I dive in, a q...
What is the 'new' keyword in JavaScript?
... the constructor function, using the newly created object whenever this is mentioned.
It returns the newly created object, unless the constructor function returns a non-null object reference. In this case, that object reference is returned instead.
Note: constructor function refers to the function...
How to make an ng-click event conditional?
...ng of attributes) in any place except directives. You can add into scope some value indicating if link should be disabled.
But other problem is that ngDisabled does not work on anything except form controls, so you can't use it with <a>, but you can use it with <button> and style it as ...
Android: Background Image Size (in Pixel) which Support All Devices
...y App is full screen. I am confused in Creating graphics. can any one tell me the best sizes of my background image in pixels.
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How to use hex color values
...on your use case, you can simply use the native UIColor.withAlphaComponent method, e.g.
let semitransparentBlack = UIColor(rgb: 0x000000).withAlphaComponent(0.5)
Or you can add an additional (optional) parameter to the above methods:
convenience init(red: Int, green: Int, blue: Int, a: CGFloat =...
Is there an equivalent for var_dump (PHP) in Javascript?
We need to see what methods/fields an object has in Javascript.
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