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How can I return to a parent activity correctly?
...ng startActivityForResult() and override onActivtyResult() in Activity A.
Now in Activity B just call finish() on button Up. So now you directed to Activity A's onActivityResult() without creating of Activity A again..
shar...
What does “&” at the end of a linux command mean?
...
I don’t know for sure but I’m reading a book right now and what I am getting is that a program need to handle its signal ( as when I press CTRL-C). Now a program can use SIG_IGN to ignore all signals or SIG_DFL to restore the defaul...
What are sessions? How do they work?
... to store that data server side, give it an "id", and let the client only know (and pass back at every http request) that id. There you go, sessions implemented. Or you can use the client as a convenient remote storage, but you would encrypt the data and keep the secret server-side.
Of course there...
Common elements in two lists
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Use Collection#retainAll().
listA.retainAll(listB);
// listA now contains only the elements which are also contained in listB.
If you want to avoid that changes are being affected in listA, then you need to create a new one.
List<Integer> common = new ArrayList<Integer>(...
How to properly match varargs in Mockito
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for info anyVararg is now deprecated: "@deprecated as of 2.1.0 use any()"
– alexbt
Nov 13 '16 at 20:12
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git remote prune – didn't show as many pruned branches as I expected
...ch that was removed by someone else. It's more likely that your co-workers now need to run git prune to get rid of branches you have removed.
So what exactly git remote prune does? Main idea: local branches (not tracking branches) are not touched by git remote prune command and should be removed ...
What is Type-safe?
... Personally, I prefer to have my compiler tell me if I made that mistake.
Now, back to C#...
C# supports a language feature called covariance, this basically means that you can substitute a base type for a child type and not cause an error, for example:
public class Foo : Bar
{
}
Here, I cre...
Choosing a Java Web Framework now? [closed]
...ng for. I can't really talk about (recent versions) of Flex and GWT but I know that Grails does have some fans.
Actually, I'd suggest to take a look at Matt Raible's presentations, he really did a great job at comparing web frameworks, showing their strengths and weakness, gathering facts and numb...
Embedding JavaScript engine into .NET [closed]
...ventually decided to give control to the community. Consequently there is now a new release that includes many bug fixes. Unfortunately JavaScript callbacks from .Net are not yet supported.
– Oliver Bock
Feb 9 '12 at 23:43
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How do I add a simple jQuery script to WordPress?
...ou already have a ton of WordPress experience. For instance, they say that now that I'm loading jQuery through the functions.php file, now all I have to do is load my jQuery.
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