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What are the lesser known but useful data structures?
...looks at various trie implementations among others: ejohn.org/blog/revised-javascript-dictionary-search
– Oskar Austegard
Mar 24 '11 at 20:18
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How to avoid reverse engineering of an APK file?
...ricks to make hacking harder though. For example, use obfuscation (if it's Java code). This usually slows down reverse engineering significantly.
3. Is there a way to make hacking more tough or even impossible? What more can I do to protect the source code in my APK file?
As everyone says, a...
Android: What is better - multiple activities or switching views manually?
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StackOverflowError pretty much only happens in Java if you have infinite recursion, maybe you are thinking of OutOfMemoryError? As a Java programmer you really shouldn't worry about when or where the garbage collector is triggered.
– satur9nine
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How does setting baselineAligned to false improve performance in LinearLayout?
... }
https://github.com/android/platform_frameworks_base/blob/master/core/java/android/widget/LinearLayout.java#L1093
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Static Initialization Blocks
... For the curious reader, the non-static block is actually copied by the Java compiler into every constructor the class has (source). So it is still the constructor's job to initialize fields.
– Martin Andersson
Apr 1 '13 at 18:56
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Are PHP Variables passed by value or by reference?
...ts 10
$y->changeValue($x);
echo $x->abc; //outputs 10 not 20 same as java does.
Now see this:
class X {
var $abc = 10;
}
class Y {
var $abc = 20;
function changeValue(&$obj)
{
$obj = new Y();
}
}
$x = new X();
$y = new Y();
echo $x->abc; //outputs 10
$y->changeVa...
Why does Git treat this text file as a binary file?
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I was having this issue where Git GUI and SourceTree was treating Java/JS files as binary and thus couldn't see difference
Creating file named "attributes" in .git\info folder with following content solved the problem
*.java diff
*.js diff
*.pl diff
*.txt diff
*.ts diff
*.html diff
If y...
Vertical (rotated) label in Android
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I implemented this for my ChartDroid project. Create VerticalLabelView.java:
public class VerticalLabelView extends View {
private TextPaint mTextPaint;
private String mText;
private int mAscent;
private Rect text_bounds = new Rect();
final static int DEFAULT_TEXT_SIZE = 15...
Animate the transition between fragments
...'s an example on using setCustomAnimations from ApiDemos' FragmentHideShow.java:
ft.setCustomAnimations(android.R.animator.fade_in, android.R.animator.fade_out);
and here's the relevant animator XML from res/animator/fade_in.xml:
<objectAnimator xmlns:android="http://schemas.android.com/apk/r...
How do I cast a variable in Scala?
... you get the result of this pattern matching cast into a variable? like in java if it was String a = (String) b; what would the scala equivalent be?
– James McMahon
Jul 19 '12 at 3:58
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