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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...
Pointer to class data member “::*”
...
Here's a real-world example I am working on right now, from signal processing / control systems:
Suppose you have some structure that represents the data you are collecting:
struct Sample {
time_t time;
double value1;
double value2;
double value3;
};
Now ...
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
...
Compiling Java 7 code via Maven
...ead of CurrentJDK). Not an elegant fix but I just hardcoded the export and now it works (PS: maven on OSX is at /usr/share/maven/bin/mvn)
– Raekye
Aug 4 '13 at 6:55
6
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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...
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...
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...
javascript: recursive anonymous function?
...
(function foo() { foo(); })();
is a stack-blowing recursive function. Now, that said, you probably don't may not want to do this in general because there are some weird problems with various implementations of Javascript. (note — that's a fairly old comment; some/many/all of the problems desc...
The current branch is not configured for pull No value for key branch.master.merge found in configur
... figured out how to configure that in Eclipse, things came together. We're now finding that Git isn't all that painful to work with once you wrap your head around the way it works. We basically checked out the repository again and configured it to pull.
– jmort253
...
How to delete or add column in SQLITE?
... 170
1 foo bar 25 171
Now you want to remove the column height from this table.
Create another table called new_person
sqlite> CREATE TABLE new_person(
...> id INTEGER PRIMARY KEY,
...> first_name TEXT,
...> last_name ...