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Boolean vs boolean in Java
...nt in Java. The default value of the former is null while in the latter it's 0 . How about Boolean vs boolean ?
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When - and why - should you store data in the Windows Registry?
...nges to those options, can't easily port them from machine to machine, and it all makes me really yearn for the good old days of .INI files...
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What's the difference between the Dependency Injection and Service Locator patterns?
...rsion of control. That is, that an object should not know how to construct its dependencies.
15 Answers
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Why must jUnit's fixtureSetup be static?
I marked a method with jUnit's @BeforeClass annotation, and got this exception saying it must be static. What's the rationale? This forces all my init to be on static fields, for no good reason as far as I see.
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How Do I Fetch All Old Items on an RSS Feed?
I've been experimenting with writing my own RSS reader. I can handle the "parse XML" bit. The thing I'm getting stuck on is "How do I fetch older posts?"
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How to disassemble one single function using objdump?
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I would suggest using gdb as the simplest approach. You can even do it as a one-liner, like:
gdb -batch -ex 'file /bin/ls' -ex 'disassemble main'
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Best practice using NSLocalizedString
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NSLocalizedString has a few limitations, but it is so central to Cocoa that it's unreasonable to write custom code to handle localization, meaning you will have to use it. That said, a little tooling can help, here is how I proceed:
Updating the strings f...
support FragmentPagerAdapter holds reference to old fragments
...iating and keeping references to your fragments outside of PagerAdapter.getItem, and are trying to use those references independently of the ViewPager. As Seraph says, you do have guarantees that a fragment has been instantiated/added in a ViewPager at a particular time - this should be considered a...
What does a lazy val do?
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The difference between them is, that a val is executed when it is defined whereas a lazy val is executed when it is accessed the first time.
scala> val x = { println("x"); 15 }
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x: Int = 15
scala> lazy val y = { println("y"); 13 }
y: Int = <lazy>
scala> x
res2: Int ...
How to use a switch case 'or' in PHP
Is there a way of using an 'OR' operator or equivalent in a PHP switch?
10 Answers
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