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What does Serializable mean?
What exactly does it mean for a class to be Serializable in Java? Or in general, for that matter...
10 Answers
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Set margins in a LinearLayout programmatically
I'm trying to use Java ( not XML ) to create a LinearLayout with buttons that fill the screen, and have margins. Here is code that works without margins:
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Windows batch script launch program and exit console
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note: when you want to start a java jar file this way, make sure to use the javaw executable (not just java, because java will start another batch window): e.g. start "" "javaw" -jar C:\JavaProject\myApp.jar
– TmTron
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Android canvas draw rectangle
...h stroke width 0 and the desired fill colour(s).
For example:
DrawView.java
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
public class DrawView extends View {
Paint paint = new Paint()...
How do you use bcrypt for hashing passwords in PHP?
...s all non-crypto experts can do with this.
– Michael Lang
Aug 4 '12 at 16:54
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Git undo changes in some files [duplicate]
...it-scm.com/book/en/Git-Basics-Undoing-Things
git checkout -- modifiedfile.java
1)$ git status
you will see the modified file
2)$git checkout -- modifiedfile.java
3)$git status
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impro...
Why should I use core.autocrlf=true in Git?
...epo, then just like you don't allow polluting certain areas with different langs (so anyone working on that can read it), or just like you keep branches/merges/rebases/etc along the chosen policy, they should get a clear rule: set correct crlf.
– quetzalcoatl
O...
Eclipse and Windows newlines
...inux just try this on a command line:
sed 's/$'"/`echo \\\r`/" yourfile.java > output.java
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getResourceAsStream returns null
I'm loading a text file from within a package in a compiled JAR of my Java project. The relevant directory structure is as follows:
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Generate a random double in a range
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This question was asked before Java 7 release but now, there is another possible way using Java 7 (and above) API:
double random = ThreadLocalRandom.current().nextDouble(min, max);
nextDouble will return a pseudorandom double value between the minimum (...