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Functional programming - is immutability expensive? [closed]
The question is in two parts. The first is conceptual. The next looks at the same question more concretely in Scala.
9 Answ...
How to get a list of current open windows/process with Java?
Does any one know how do I get the current open windows or process of a local machine using Java?
14 Answers
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Selectively revert or checkout changes to a file in Git?
Is there a command that allows you to partially undo the changes to a file (or files) in the working directory?
4 Answers
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How to access data/data folder in Android device?
I am developing an app and I know my database *.db will appear in data/data/com.****.***
18 Answers
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CodeIgniter: Create new helper?
I need to loop lot of arrays in different ways and display it in a page. The arrays are generated by a module class. I know that its better not to include functions on 'views' and I want to know where to insert the functions file.
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What is the difference between sigaction and signal?
I was about to add an extra signal handler to an app we have here and I noticed that the author had used sigaction() to set up the other signal handlers. I was going to use signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose?
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Java associative-array
How can I create and fetch associative arrays in Java like I can in PHP?
15 Answers
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Why em instead of px?
...should define sizes and distances in your stylesheet with em instead of in pixels. So the question is why should I use em instead of px when defining styles in css? Is there a good example that illustrates this?
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How can I scale the content of an iframe?
How can I scale the content of an iframe (in my example it is an HTML page, and is not a popup) in a page of my web site?
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Instance variable: self vs @
...n the instance variable @age — but could do any number of other things depending on how the age method is implemented in a given subclass. For example, you might have a MiddleAgedSocialite class that always reports its age 10 years younger than it actually is. Or more practically, a PersistentPers...