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Was PreferenceFragment intentionally excluded from the compatibility package?
...nd looking at the code at http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/4.0.1_r1/android/preference/PreferenceFragment.java?av=h -- creating my own PreferenceFragment isn't going to happen. It appears the liberal use of package-private in PreferenceManager ins...
What's the best way to get the current URL in Spring MVC?
... Thanks for the reminder about the listener. I'm still new to Spring (and Java web development in general). I'm now using your code in combination with Spring Security's UrlUtils. Works like a charm.
– Koraktor
Sep 29 '09 at 8:41
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How can I use getSystemService in a non-activity class (LocationManager)?
...e in which you are using it? i.e. it is a receiver class, fragment, simple java class or any other.
– Maddy
Aug 4 '14 at 17:58
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Android Json and null values
...: http://developer.android.com/reference/org/json/JSONObject.html#isNull%28java.lang.String%29
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Calling virtual functions inside constructors
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−1 "is dangerous", no, it's dangerous in Java, where downcalls can happen; the C++ rules remove the danger through a pretty expensive mechanism.
– Cheers and hth. - Alf
Aug 14 '16 at 10:47
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Understanding the difference between Object.create() and new SomeFunction()
I recently stumbled upon the Object.create() method in JavaScript, and am trying to deduce how it is different from creating a new instance of an object with new SomeFunction() , and when you would want to use one over the other.
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Best explanation for languages without null
...now that the value will never be null.
As others have mentioned, in C# or Java for example, null can mean one of two things:
the variable is uninitialized. This should, ideally, never happen. A variable shouldn't exist unless it is initialized.
the variable contains some "optional" data: it needs...
How do I create a constant in Python?
Is there a way to declare a constant in Python? In Java we can create constant values in this manner:
41 Answers
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How do you input commandline argument in IntelliJ IDEA?
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What if I wanna use a redirect symbol? For example, $ javac Filter WhiteList.txt < TotalList.txt, how can I run this in Intellij just like command lines?
– Wulfric Lee
Sep 9 '16 at 1:26
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How do I address unchecked cast warnings?
...y to limit the scope of the @SuppressWarnings annotation. According to its Javadocs, it can go on local variables; this way, it doesn't even affect the entire method.
Example:
@SuppressWarnings("unchecked")
Map<String, String> myMap = (Map<String, String>) deserializeMap();
There is ...