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Getting started with Haskell
... seems to stick.
Now, in learning various imperative/OO languages (like C, Java, PHP), exercises have been a good way for me to go. But since I don't really know what Haskell is capable of and because there are many new concepts to utilize, I haven't known where to start.
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Is there a quick way to delete a file from a Jar / war without having to extract the jar and recreat
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In Java you can copy all the entries of a jar except the one you want to delete. i.e. you have to make a copy but don't need to create the individual files.
You can do this by
creating a new jar.
iterating though the Jar you ...
How to create named and latest tag in Docker?
...atest
docker images | grep ${IMAGE}
docker run --rm ${IMAGE}:latest /opt/java7/bin/java -version
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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...
How to detect shake event with android?
...ort android.hardware.SensorManager;
import android.content.Context;
import java.lang.UnsupportedOperationException;
public class ShakeListener implements SensorListener
{
private static final int FORCE_THRESHOLD = 350;
private static final int TIME_THRESHOLD = 100;
private static final int S...
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...