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Function return value in PowerShell
...ere are two main ideas to wrap your head around:
All output is captured, and returned
The return keyword really just indicates a logical exit point
Thus, the following two script blocks will do effectively the exact same thing:
$a = "Hello, World"
return $a
$a = "Hello, World"
$a
return
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Maintain/Save/Restore scroll position when returning to a ListView
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Try this:
// save index and top position
int index = mList.getFirstVisiblePosition();
View v = mList.getChildAt(0);
int top = (v == null) ? 0 : (v.getTop() - mList.getPaddingTop());
// ...
// restore index and position
mList.setSelectionFromTop(in...
Performance of static methods vs instance methods
...g to the performance characteristics of static methods vs instance methods and their scalability. Assume for this scenario that all class definitions are in a single assembly and that multiple discrete pointer types are required.
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Making an array of integers in iOS
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Yes, and given the [presumably] expert-level optimisations under the hood of NSArray, I'm sure you won't feel the performance hit.
– dreamlax
Jul 27 '10 at 2:03
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How do I find the caller of a method using stacktrace or reflection?
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A StackTraceElement has getClassName(), getFileName(), getLineNumber() and getMethodName().
You will have to experiment to determine which index you want
(probably stackTraceElements[1] or [2]).
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Why can't I define a static method in a Java interface?
...ic interface methods were initially considered as a small language change, and then there was an official proposal to add them in Java 7, but it was later dropped due to unforeseen complications.
Finally, Java 8 introduced static interface methods, as well as override-able instance methods with a d...
How can I make a clickable link in an NSAttributedString?
... UITextView . You just set the "detect links" checkbox on the view in IB, and it detects HTTP links and turns them into hyperlinks.
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Difference between a “coroutine” and a “thread”?
What are the differences between a "coroutine" and a "thread"?
6 Answers
6
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angular js unknown provider
...e mongolab example to fit my own REST API. Now I'm running into this error and I am not sure what I am doing wrong:
30 Answ...
Why use armeabi-v7a code over armeabi code?
...project I make use of multiple .so files. These are located at the armeabi and armeabi-v7a folder. Unfortunately one of the .so files is a 6MB and I need to reduce file size. Instead of having a fat APK file, I would like to use just the armeabi files and remove the armeabi-v7a folder.
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