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希望能多发一些AI应用的文章和材料 - 用户反馈 - 清泛IT社区，为创新赋能！
希望能多发一些AI应用的文章和材料
今天又是一个值得开心的日子，加油 - 微思想区 - 清泛IT社区，为创新赋能！
今天又是一个值得开心的日子，加油
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
...
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());
}
...
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)
{
...
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));
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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...