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@kyberorg
kyberorg / Shell.java
Created June 30, 2013 12:09
Bash commands written at Java
package net.virtalab.virtasys;
public class Shell {
}
public static String ip2name(String ip){
InetAddress addr = null;
String host = null;
try{
addr = InetAddress.getByName(ip);
host = addr.getCanonicalHostName();
}catch(UnknownHostException e){
return null;
}
@kyberorg
kyberorg / class
Created June 30, 2013 14:57
Full Class an d Test case + Ping result
package net.virtalab.virtasys.net;
import net.virtalab.virtasys.Shell;
import java.net.InetAddress;
import java.net.UnknownHostException;
/**
* Does forward Name->IP resolve and backward IP->Name resolve
*
@kyberorg
kyberorg / class A2
Last active December 19, 2015 04:18
package net.virtalab.dyn;
public class A2{
public void m2(int n,String text){
for(int q=0;q<n;q++){
System.out.println(text);
}
}
}
for(int q=0;q<n;q++){
//System.out.println(text);
}
-------before javac-------------
Exception in thread "main" java.lang.ClassCircularityError: net/virtalab/dyn/A2
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
Good
at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
BYTES 312
at net.virtalab.javainsider.MyClassLoader.loadClass(MyClassLoader.java:36)
NAME
at java.lang.ClassLoader.defineClass1(Native Method)
@Override
public Class<?> loadClass(String name) throws ClassNotFoundException{
File f = new File("C:/Code/dynamicJava/net/virtalab/dyn/A2.class");
byte []b = new byte[(int) f.length()];
super.loadClass("net.virtalab.dyn.A2");
@kyberorg
kyberorg / gist:6021433
Last active December 19, 2015 21:39
Error
[ERROR] Failed to execute goal org.javalite:activejdbc-instrumentation:1.4.8:instrument (default) on project java-forum-ejb: Failed to add output directory to classpath: java.lang.ClassNotFoundException: org.javalite.activejdbc.Association -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.javalite:activejdbc-instrumentation:1.4.8:instrument (default) on project java-forum-ejb: Failed to add output directory to classpath
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleS
@kyberorg
kyberorg / Android exception
Last active December 20, 2015 01:59
Code+Exception
07-22 11:35:38.897 6055-6055/net.virtalab.android.locateme E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start activity ComponentInfo{net.virtalab.android.locateme/net.virtalab.android.locateme.activity.SettingsActivity}: java.lang.NullPointerException
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
at android.app.ActivityThread.access$600(ActivityThread.java:141)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5041)
at java.lang.reflect.Method.invokeNative(Native Method)
@kyberorg
kyberorg / gist:6921908
Created October 10, 2013 17:04
Maven Build Log with ActiveJDBC
D:\Java\JDK\bin\java -Dmaven.home=D:\Apps\Maven-3.0.5 -Dclassworlds.conf=D:\Apps\Maven-3.0.5\bin\m2.conf -Dfile.encoding=UTF-8 -classpath D:\Apps\Maven-3.0.5\boot\plexus-classworlds-2.4.jar org.codehaus.classworlds.Launcher --fail-fast --strict-checksums package
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for net.virtalab:stub-web:war:0.1
[WARNING] 'version' contains an expression but should be a constant. @ net.virtalab:stub-web:${project.parent.version}, D:\home\asm\Code\JavaEE\stub\web\pom.xml, line 14, column 14
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ net.virtalab:stub:0.1, D:\home\asm\Code\JavaEE\stub\pom.xml, line 75, column 19
[WARNING]
[WARNING] Some problems were encountered while building the effective model for net.virtalab:stub-ejb:ejb:0.1
[WARNING] 'version' contains an expression but should be a constant. @ net.virtalab:stub-ejb:${project.parent.version},