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What does immutable mean?
...initial string?
Yes. Nothing can change the string once it is created. Now this doesn't mean that you can't assign a new string object to the str variable. You just can't change the current object that str references.
If the string was mutable, does that
mean the 2nd alert() would return ...
Why can Java Collections not directly store Primitives types?
... anything, I'd like the compiler to warn me when it autoboxes. (For all I know, it may now, I wrote this answer in 2010).
A good explanation on SO about boxing: Why do some languages need Boxing and Unboxing?
And criticism of Java generics: Why do some claim that Java's implementation of generics...
Growing Amazon EBS Volume sizes [closed]
I'm quite impressed with Amazon's EC2 and EBS services. I wanted to know if it is possible to grow an EBS Volume.
11 Answer...
Behaviour of final static method
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@SeanOwen I don't think this is correct either, the compiler should say that since A#ts is being inherited and such a method already exists in B, simply having two methods with the same signature and a different modifier (final) ...
presentViewController:animated:YES view will not appear until user taps again
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Right now, setUpViewForNextQuestion just calls reloadData on the tableview (to change all the background colours back to white if any had been set to red by an incorrect guess). But would any changes there make any difference? The ...
NPM doesn't install module dependencies
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@Flame2057 it's good to know you're out of luck, though not too informative. You may go ahead and formulate a question, hopefully the community has the knowledge to solve. Have fun!
– allprog
Jul 17 '17 at 14:17...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
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tl;dr
The answer is NEVER! (unless you really know what you're doing)
9/10 times the solution can be resolved with a proper understanding of encoding/decoding.
1/10 people have an incorrectly defined locale or environment and need to set:
PYTHONIOENCODING="UTF-8"
i...
Failed to Attach to Process ID Xcode
...xperienced this problem?
Yesterday I still can run my app in simulator but now I cannot run my app since Xcode prints this error in console:
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Adding local .aar files to Gradle build using “flatDirs” is not working
...ations
Android Studio v1.3
gradle plugin v1.2.3
Gradle v2.4
What works now
Now you can import a local aar file via the File>New>New
Module>Import .JAR/.AAR Package option in Android Studio v1.3
However the below answer holds true and effective irrespective of the Android Studio chang...
Does Python SciPy need BLAS?
...to provide build and installation instructions, but the instructions there now rely on OS binary distributions. To build SciPy (and NumPy) on operating systems without precompiled packages of the required libraries, you must build and then statically link to the Fortran libraries BLAS and LAPACK:
m...