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Why is String.chars() a stream of ints in Java 8?
...n
hello.chars()
.forEach(this::print);
This will give a compile error, as there possibly is a lossy conversion.
Conclusion:
The API was designed this way because of not wanting to add CharStream, I personally think that the method should return a Stream<Character>, and the workaro...
Explain ExtJS 4 event handling
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little error in the section "Preventing event bubbling". stopPropagation is used to prevent the event bubling, and preventDefault is used to prevent the default behaviour/action.
– MatRt
Oct 11...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
...to android.app.Fragment. Afterwards do other minor adaptions to remove all errors. To my surprise it works perfectly.
IMO this is simpler than adding a support library that you do not really need.
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransactio...
Why is a combiner needed for reduce method that converts type in java 8
.... But you pass to it an int and a String, which results in the compilation error you got - argument mismatch; int cannot be converted to java.lang.String. Actually, I think passing 0 as the identity value is also wrong here, since a String is expected (T).
Also note that this version of reduce proc...
Python read-only property
...t responsible user would set attr that literally can be set and will raise error somewhere else in code due to his set. So in the end both attr cannot be set. Should I use property on both or don't use it on any?
– Rafał Łużyński
Jan 30 '13 at 0:12
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Finding a branch point with Git?
...o work... I either get something more recent, or just a silent failure (no error message, but exit status 1), trying arguments like git co master; git merge-base --fork-point topic, git co topic; git merge-base --fork-point master, git merge-base --fork-point topic master (for either checkout), etc....
Checking if an Android application is running in the background
... I posted an answer on the SO, but hopefully it's not too late to admit my error.
Another wrong solution
Droid-Fu library mentioned in one of the answers uses ActivityManager.getRunningTasks for its isApplicationBroughtToBackground method. See Dianne's comment above and don't use that method either....
Patterns for handling batch operations in REST web services?
...rnate approach is that you won't run up against "414 Request URI too long" errors if you're updating hundreds/thousands of resources in the collection.
– rinogo
Aug 22 '16 at 23:40
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Should I use a data.frame or a matrix?
... # obtains determinant
det(DF) # error
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Why can't yield return appear inside a try block with a catch?
...at's kind of like saying you don't need exceptions because you can use the error code returning strategy commonly used in C so many years ago. I admit the technical difficulties may be significant, but this still severely limits the usefulness of yield, in my opinion, because of the spaghetti code y...