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When should one use RxJava Observable and when simple Callback on Android?
...e<Photo> call(List<Photo> photos) {
return Observable.from(photos);
}
})
.filter(new Func1<Photo, Boolean>() {
@Override
public Boolean call(Photo photo) {
return photo.isPNG();
}
})
.subscribe(
new Action1<Photo>() {
@Override
...
ant warning: “'includeantruntime' was not set”
...avac-task that always sets includeantruntime="false".
Additional Details
From http://www.coderanch.com/t/503097/tools/warning-includeantruntime-was-not-set:
That's caused by a misfeature
introduced in Ant 1.8. Just add an
attribute of that name to the javac
task, set it to false, and for...
Convert from List into IEnumerable format
...c IEnumerable<Book> GetBooks()
{
List<Book> books = FetchEmFromSomewhere();
return books;
}
as well as:
public void ProcessBooks(IEnumerable<Book> books)
{
// do something with those books
}
which could be invoked:
List<Book> books = FetchEmFromSomewhere...
Concatenate two slices in Go
...ction, and the ... lets you pass multiple arguments to a variadic function from a slice.
– user1106925
Apr 27 '13 at 4:14
12
...
What is the difference between self-types and trait subclasses?
...r) where it mentions:
In the spreadsheet example, class Model inherits from Evaluator and
thus gains access to its evaluation method. To go the other way, class
Evaluator defines its self type to be Model, like this:
package org.stairwaybook.scells
trait Evaluator { this: Model => ...
...
socket.io rooms or namespacing?
... that (do not themselves care about compartments but) need to be separated from each other, use namespaces.
An example for the latter would be a large client app where different modules, perhaps developed separately (e.g. third-party), each using socket.io independently, are being used in the same...
Is there a job scheduler library for node.js? [closed]
...le some function to be ran at certain time (15:30 for example, not x hours from now etc)? If there isn't this kind of library how this should be implemented? Should I just set callback to be called every second and check the time and start jobs scheduled for the time or what?
...
How to handle a lost KeyStore password in Android?
...st upload another version of the application and try to give a description from the title or from the previous app or something like that. right?
– irobotxx
May 22 '11 at 19:55
1
...
rreplace - How to replace the last occurrence of an expression in a string?
Is there a quick way in Python to replace strings but, instead of starting from the beginning as replace does, starting from the end? For example:
...
Git undo changes in some files [duplicate]
..., but do not commit yet
git revert -n <sha1>
# clean all the changes from the index
git reset
# now just add A
git add A
git commit
Another method again, requires the use of the rebase -i command. This one can be useful if you have more than one commit to edit:
# use rebase -i to cherry pic...