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How to convert a color integer to a hex String in Android?
...
Try Integer.toHexString()
Source:
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros?
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Revert to Eclipse default settings
...ferences options page. This example will be for resetting a theme used for Java.
Navigate to Windows>Preferences>Java>Editor. Click on Syntax Coloring. Click "Restore Defaults" and "Apply". Then, navigate to General>Editors. Click on Text Editors. Click on "Restore Defaults" and "Apply"...
How to convert a double to long without casting?
...e is the rounding way which doesn't truncate. Hurried to look it up in the Java API Manual:
double d = 1234.56;
long x = Math.round(d); //1235
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Accessing constructor of an anonymous class
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From the Java Language Specification, section 15.9.5.1:
An anonymous class cannot have an
explicitly declared constructor.
Sorry :(
EDIT: As an alternative, you can create some final local variables, and/or include an instanc...
Getting hold of the outer class object from the inner class object
...ith the JDK I'm using.
EDIT: The name used (this$0) is actually valid in Java, although the JLS discourages its use:
The $ character should be used only in
mechanically generated source code or,
rarely, to access pre-existing names on
legacy systems.
...
Delete all files in directory (but not directory) - one liner solution
...(File file: dir.listFiles()) is probably meant as.... for (File file : new java.io.File("C:\\DeleteMeFolder").listFiles()) ...
– Hartmut P.
Oct 28 '16 at 17:39
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What does the `#` operator mean in Scala?
...tion -- and they might even be equal. Class is a runtime representation of Java classes, and it's limited even in Java. For example, List<String> and List<Integer> have the same runtime Class. If Class is not rich enough to represent Java types, it's almost useless when representing Scal...
Check string for palindrome
...quals(new StringBuilder(str).reverse().toString());
}
or for versions of Java earlier than 1.5,
public static boolean isPalindrome(String str) {
return str.equals(new StringBuffer().append(str).reverse().toString());
}
EDIT: @FernandoPelliccioni provided a very thorough analysis of the effi...
How to get hosting Activity from a view?
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I took Gomino's answer and modified it to fit perfectly in myUtils.java so I can use it wherever and whenever I need. Hope someone finds it helpful :)
abstract class myUtils {
public static Activity getActivity(View view) {
Context context = view.getContext();
while (con...
Reflection generic get field value
...er typeValue = 0;
try {
Class<Types> types = Types.class;
java.lang.reflect.Field field = types.getDeclaredField("Type");
field.setAccessible(true);
Object value = field.get(types);
typeValue = (Integer) value;
} catch (Exception e) {
e.printStackTrace();
}
...