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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java
...e, i.e. a named object under which functions and variables can be created without unduly polluting the global object.
The reason why it's used is so that if you have two (or more) files:
var MY_NAMESPACE = MY_NAMESPACE || {};
MY_NAMESPACE.func1 = {
}
and
var MY_NAMESPACE = MY_NAMESPACE || {};
M...
What is the most robust way to force a UIView to redraw?
I have a UITableView with a list of items. Selecting an item pushes a viewController that then proceeds to do the following. from method viewDidLoad I fire off a URLRequest for data that is required by on of my subviews - a UIView subclass with drawRect overridden. When the data arrives from the clo...
Constant Amortized Time
What is meant by "Constant Amortized Time" when talking about time complexity of an algorithm?
6 Answers
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How to create SBT project with IntelliJ Idea?
I just got started with Scala/LiftWeb/Sbt developing, and I'd like to import a Sbt project in IntelliJ Idea.
Actually, I managed to import my project in two different ways:
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Why Doesn't C# Allow Static Methods to Implement an Interface?
...d on an interface should be there to specify the contract for interacting with an object. Static methods do not allow you to interact with an object - if you find yourself in the position where your implementation could be made static, you may need to ask yourself if that method really belongs in t...
Initialize class fields in constructor or at declaration?
...ming in C# and Java recently and I am curious where the best place is to initialize my class fields.
15 Answers
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How does __proto__ differ from constructor.prototype?
It always returns the object with rating = 3.
8 Answers
8
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Which is preferred: Nullable.HasValue or Nullable != null?
...
The compiler replaces null comparisons with a call to HasValue, so there is no real difference. Just do whichever is more readable/makes more sense to you and your colleagues.
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How do I use the nohup command without getting nohup.out?
I have a problem with the nohup command.
8 Answers
8
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Prevent HTML5 video from being downloaded (right-click saved)?
... that's what browsers were designed to do: Serve content. But you can make it harder to download.
First thing's first, you could disable the contextmenu event, aka "the right click". That would prevent your regular skiddie from blatantly ripping your video by right clicking and Save As. But then th...