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What are the main disadvantages of Java Server Faces 2.0?
Yesterday I saw a presentation on Java Server Faces 2.0 which looked truly impressive, even though I am currently a happy ASP.NET MVC / jQuery developer. What I liked most about JSF was the huge amount of AJAX-Enabled UI components which seem to make development much faster than with ASP.NET MVC, es...
Check if a String contains numbers Java
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The code below is enough for "Check if a String contains numbers in Java"
Pattern p = Pattern.compile("([0-9])");
Matcher m = p.matcher("Here is ur string");
if(m.find()){
System.out.println("Hello "+m.find());
}
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Check if at least two out of three booleans are true
...!!b+!!c >= 2 to be very safe).
In response to TofuBeer's comparison of java bytecode, here is a simple performance test:
class Main
{
static boolean majorityDEAD(boolean a,boolean b,boolean c)
{
return a;
}
static boolean majority1(boolean a,boolean b,boolean c)
{
...
Websocket API to replace REST API?
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98
Not to say that the other answers here don't have merit, they make some good points. But I'm go...
How to use concerns in Rails 4
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98
It's worth to mention that using concerns is considered bad idea by many.
like this guy
and t...
How do I convert from int to Long in Java?
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In Java you can do:
int myInt=4;
Long myLong= new Long(myInt);
in your case it would be:
content.setSequence(new Long(i));
share
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Are static variables shared between threads?
My teacher in an upper level Java class on threading said something that I wasn't sure of.
7 Answers
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Convert Enumeration to a Set/List
Is there some one-liner bridge method to dump a given Enumeration to java.util.List or java.util.Set?
6 Answers
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Ship an application with a database
...n order to work with a Sqlite database.)
package android.example;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQL...
Why doesn't Java Map extend Collection?
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From the Java Collections API Design FAQ:
Why doesn't Map extend Collection?
This was by design. We feel that
mappings are not collections and
collections are not mappings. Thus, it
makes little sense for Map to extend
...