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What is getattr() exactly and how do I use it?
...n an os2 machine'
def ce(self): print 'saving on a ce machine'
def java(self): print 'saving on a java machine'
def riscos(self): print 'saving on a riscos machine'
def _save(self): print 'saving on an unknown operating system'
def which_os(self): print os.name
Now let's use t...
showDialog deprecated. What's the alternative?
...e in xml like this: android:onClick="onClick" and then the method above in Java. If you need a custom Listener then you have to define one yourself. More details are in this question link
– MishaLee
Aug 7 '14 at 0:31
...
How to check visibility of software keyboard in Android?
...t;
import android.view.View;
import android.view.ViewTreeObserver;
import java.util.LinkedList;
import java.util.List;
public class SoftKeyboardStateWatcher implements ViewTreeObserver.OnGlobalLayoutListener {
public interface SoftKeyboardStateListener {
void onSoftKeyboardOpened(int ...
Diff output from two programs without temporary files
...
I tried this solution with a Java program and got this error: -bash: syntax error near unexpected token ('. I tried again without parenthesis and got -bash: java: No such file or directory. Does it not work if the command has parameters?
...
What is the difference between persist() and merge() in JPA and Hibernate?
... very precise description of semantics of these operations, better than in javadoc:
The semantics of the persist
operation, applied to an entity X are
as follows:
If X is a new entity, it
becomes managed. The entity X will be
entered into the database at or before
transaction ...
In Intellij, how do I toggle between camel case and underscore spaced?
At my company we have two different style guides for java vs sql. In java I have a field named historyOfPresentIllness and when i write the sql, I want to name it history_of_present_illness . Is there a keyboard shortcut to switch from one to the other when I have the phrase highlighted? Or pe...
Why is Lisp used for AI? [closed]
...d implementations of successful research is usually in C or C++ (sometimes Java).
If you're curious about the 70's...well, I wasn't there. But I think Lisp was successful in AI research for three reasons (in order of importance):
Lisp is an excellent prototyping tool. It was the best for a very l...
Private properties in JavaScript ES6 classes
...
To expand on @loganfsmyth's answer:
The only truly private data in JavaScript is still scoped variables. You can't have private properties in the sense of properties accessed internally the same way as public properties, but you can use scoped variables to store private data.
Scoped variabl...
Sharing Test code in Maven
...jar containing test classes".
This creates jar file of code from src/test/java using the jar plugin so that modules with tests can share code.
<project>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactI...
BigDecimal - to use new or valueOf
... but it's a lot less intuitive.
There's a nice explanation of this in the JavaDoc:
The results of this constructor can be somewhat unpredictable. One might assume that writing new BigDecimal(0.1) in Java creates a BigDecimal which is exactly equal to 0.1 (an unscaled value of 1, with a scale of...