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EJB's - when to use Remote and/or local interfaces?
I'm very new to Java EE and I'm trying to understand the concept of Local interfaces and Remote interfaces. I've been told that one of the big advantages of Java EE is that it is easy to scale (which I believe means you can deploy different components on different servers). Is that where Remote and ...
Error - Unable to access the IIS metabase
After installing Visual Studio 2012 and opening my solution I get a series of errors in this form:
37 Answers
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No identities are available for signing Xcode 5
...when try to validate my app in Xcode 5. I tried all: Recreate certificates and provisioning profiles, all methods which have been described on this site and another resources; I'm confused, because when I try to distribute my app as Ad-hoc, it successfully create and install on test device an IPA fi...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
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var a = [], // these are the same
b = new Array(), // a and b are arrays with length 0
c = ['foo', 'bar'], // these are the same
d = new Array('foo', 'bar'), // c and d are arrays with 2 strings
// these are different:
e = [3] // e.length =...
Virtual Memory Usage from Java under Linux, too much memory used
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This has been a long-standing complaint with Java, but it's largely meaningless, and usually based on looking at the wrong information. The usual phrasing is something like "Hello World on Java takes 10 megabytes! Why does it need that?" Well, here...
What is the difference between match_parent and fill_parent?
I'm a little confused about two XML properties: match_parent and fill_parent . It seems that both are the same. Is there any difference between them?
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What is opinionated software?
...ve that a template system shouldn't provide access to user defined methods and functions as it leaves the system open to returning raw HTML. So an opinionated framework developer only allows access to data structures. By design, the software is limiting and encourages the designer into doing things ...
What is the difference between setUp() and setUpClass() in Python unittest?
What is the difference between setUp() and setUpClass() in the Python unittest framework? Why would setup be handled in one method over the other?
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Learning Regular Expressions [closed]
I don't really understand regular expressions. Can you explain them to me in an easy-to-follow manner? If there are any online tools or books, could you also link to them?
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Using a dispatch_once singleton model in Swift
...tl;dr: Use the class constant approach if you are using Swift 1.2 or above and the nested struct approach if you need to support earlier versions.
From my experience with Swift there are three approaches to implement the Singleton pattern that support lazy initialization and thread safety.
Class c...