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Android studio, gradle and NDK
...ains CLion plugin. I'm currently under the assumption that this will allow Java and C++ development from within Android Studio; however I think we'll still need to use the Gradle NDK section as I've stated above. Additionally, I think there will still be the need to write Java<->C++ wrapper fi...
Does a finally block always run?
Is there any condition where finally might not run in java? Thanks.
12 Answers
12
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Why is char[] preferred over String for passwords?
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To quote an official document, the Java Cryptography Architecture guide says this about char[] vs. String passwords (about password-based encryption, but this is more generally about passwords of course):
It would seem logical to collect and store the pass...
Why do we declare Loggers static final?
In Java, why is it best practice to declare a logger static final ?
14 Answers
14
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How to insert a character in a string at a certain position?
...bly a faster implementation than using a StringBuffer. As mentioned in the Java docs:
This class provides an API compatible with StringBuffer, but with no guarantee of synchronization. This class is designed for use as a drop-in replacement for StringBuffer in places where the string buffer was...
Why do I get an UnsupportedOperationException when trying to remove an element from a List?
... if you want to split on a literal |, you must escape it to \|, which as a Java string literal is "\\|".
Fix:
template.split("\\|")
On better algorithm
Instead of calling remove one at a time with random indices, it's better to generate enough random numbers in the range, and then traversing ...
The easiest way to transform collection to array?
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Alternative solution to the updated question using Java 8:
Bar[] result = foos.stream()
.map(x -> new Bar(x))
.toArray(size -> new Bar[size]);
share
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improve...
How to split a String by space
...a solution. It is far from optimal to rely on regex for this, but now that Java has 8bit / 16bit byte representation, an efficient solution for this becomes quite long.
public class SplitStringTest
{
static final Pattern TRIM_UNICODE_PATTERN = Pattern.compile("^\\p{Blank}*(.*)\\p{Blank}$", UNICO...
Android How to adjust layout in Full Screen Mode when softkeyboard is visible
...o big.
The code has been ported to Kotlin, but porting my changes back to Java is simple. Let me know if you need help:
class AndroidBug5497Workaround constructor(activity: Activity) {
private val contentContainer = activity.findViewById(android.R.id.content) as ViewGroup
private val rootV...
Why functional languages? [closed]
...amic language programmer complaining that a statically typed language like Java made it hard to return whatever type she wanted from a method, because she had to return whatever the type declaration said it would return.
– Ben
Feb 10 '14 at 21:37
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