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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 }
x
x: Int = 15
scala> lazy val y = { println("y"); 13 }
y: Int = <lazy>
scala> x
res2: Int ...
NPM doesn't install module dependencies
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It looks like you hit a bug that has existed for quite a while and doesn't have solution yet. There are several open issues for this case in the npm repository:
npm install should recursively check/install dependencies http...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...s is one of the hairiest parts of the spec, so good on Jon for diving into it head first.
Second, let me say that this line:
An implicit conversion exists from a method group to a compatible delegate type
(emphasis added) is deeply misleading and unfortunate. I'll have a talk with Mads about...
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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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...
How to Configure SSL for Amazon S3 bucket
...plication. Now my question is: I want to access my S3 bucket using SSL. Is it possible to implement SSL for an Amazon s3 bucket?
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Where to find Java JDK Source Code? [closed]
... JDK Source Code.
Before I re-installed Linux I had the src.zip package with all the official source code in it. I just had to tell Eclipse where this file is and I could see the code. But now I don't have the file anymore...
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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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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...