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Why do I want to avoid non-default constructors in fragments?
...FragmentName newInstance(your variables){}. As the Android documentation recommend, do not make a constructor with parameters, because the default one (without parameters) will be called automatically after the restart of your fragment.
– nistv4n
May 22 '13 at ...
Update data in ListFragment as part of ViewPager
I'm using the v4 compatibility ViewPager in Android. My FragmentActivity has a bunch of data which is to be displayed in different ways on different pages in my ViewPager. So far I just have 3 instances of the same ListFragment, but in the future I will have 3 instances of different ListFragments....
I want to get the type of a variable at runtime
... pattern match, due to JVM's erasure.
Examples with TypeTag can get quite complex -- not even comparing two type tags is not exactly simple, as can be seen below:
import scala.reflect.runtime.universe.TypeTag
def f[A, B](a: A, b: B)(implicit evA: TypeTag[A], evB: TypeTag[B]) = evA == evB
type X = ...
Which is the best library for XML parsing in java [closed]
I'm searching the java library for parsing XML (complex configuration and data files), I googled a bit but couldn't found other than dom4j (Seems like they are working on V2).. I have taken look at commons configuration but didn't like it, Other apache projects on XML seems under hibernation. I have...
Case objects vs Enumerations in Scala
...
One big difference is that Enumerations come with support for instantiating them from some name String. For example:
object Currency extends Enumeration {
val GBP = Value("GBP")
val EUR = Value("EUR") //etc.
}
Then you can do:
val ccy = Currency.withName("E...
AngularJS with Django - Conflicting template tags
... serverside and clientside templating by themselves might be secure, their combination might not be).
if you start using third-party directives (components) that use {{ }} in their templates then your configuration will break them. (fix pending)
While there is nothing we can do about the first iss...
Disable firefox same origin policy
...e OS X gui, it may create some hidden files, so you 'd be better using the command line.
3) Installing the xpi
You can just drag and drop the xpi to firefox, or go to: "about:addons", click on the cog on the top right corner and select "install add on from file", then select you .xpi file. Now, re...
Regex Named Groups in Java
... in his answer, Java 7 now support named groups.
tchrist points out in the comment that the support is limited.
He details the limitations in his great answer "Java Regex Helper"
Java 7 regex named group support was presented back in September 2010 in Oracle's blog.
In the official release of Ja...
Run php script as daemon process
...
You could start your php script from the command line (i.e. bash) by using
nohup php myscript.php &
the & puts your process in the background.
Edit:
Yes, there are some drawbacks, but not possible to control? That's just wrong.
A simple kill processi...
How can we match a^n b^n with Java regex?
... lookahead
testAll($r1, $tests);
The output is (as seen on ideone.com):
aaa 0
aaab 1 aaa
aaaxb 0
xaaab 0
b 0
abbb 1 a
This is exactly the output we want: we match a+, only if it's at the beginning of the string, and only if it's immediately followed by b+.
Lesson: You can use patterns in l...