Java Solution

Saturday 15 October 2016

perssonal

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Scanner;

public class GolfGame {

/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub

String a[]= new String[4];
String b[]= new String[4];
String c[]= new String[4];
String s1[];
BufferedReader br=new BufferedReader(new FileReader("file.txt"));

for(int i=0; i<4; i++)

{
String s=br.readLine();
s1=s.split(" ");
a[i]=s1[0];
b[i]=s1[1];
c[i]=s1[2];
System.out.println(s1[0]+"::"+s1[1]+"::"+s1[2]);

}

}

}

Saturday 13 August 2016

HikariCP A high-performance JDBC connection pool.

There is nothing faster. There is nothing more correct. HikariCP is a “zero-overhead” production-quality connection pool.
please follow the link
https://brettwooldridge.github.io/HikariCP/

Wednesday 8 June 2016

Playing with Annonymous inner class

Annonymous inner class

Thread T= new Thread()
{};
//annonumous inner class extends Thread class, in short it's extedns parent Thread

Runnable R= new Runnable()
{
};
is it possible , yes
it's not runnable object it's an object of annonumous class which implement Runnable
else you can't crate an object of Interface

Example

public class AnnnerClass {

public static void main(String[] args) {

A a=new A()
{

public void m1()
{

System.out.println("spicy");
}
};

a.m1();

}
}

public class A {

public void m1()

{

System.out.println("swetty");

}

here annonymous A extends A, and call child class object.

Monday 18 April 2016

What is Splunk and How Does it Work?

The general idea is that Splunk can take any data, any log, from anywhere in your infrastructure and add it to a searchable, intelligent index through which you can extract all sorts of meaningful data about what's happening. By default, the system will watch all the logged events and return slices of interesting data. For instance, from the dashboard you can see that a specific server name or event type is occurring at a higher than normal frequency. From there, you can drill down and chase the cause of the error from the hypervisor to the storage, networking, and even the VM.

more you can get in below link

https://helgeklein.com/blog/2014/09/splunk-work/

there are some video lecture also available in it. you can check online

https://www.coursera.org/learn/bigdata-analytics/lecture/rFnSu/how-splunk-works-hands-on-tutorial

If there's gold in log files, Splunk, Inc's Splunk Enterprise will help you to find it. Splunk bridges the gap between simple log management and security information and event management (SIEM) products from vendors such as ArcSight, RSA, Q1 Labs, and Symantec.

http://www.networkworld.com/article/2181089/security-vulnerability-mgmt/splunk-explains-it-all.html

Ref:-

http://www.networkworld.com/article/2181089/security-vulnerability-mgmt/splunk-explains-it-all.html

https://www.coursera.org/learn/bigdata-analytics/lecture/rFnSu/how-splunk-works-hands-on-tutorial

Sunday 27 March 2016

IBM MQ and how it works,

IBM MQ is a family of network software products that IBM launched in March 1992. It was originally called MQSeries, and was renamed WebSphere MQ in 2002 to join the suite of WebSphere products. In April 2014, it was renamed IBM MQ.

https://en.wikipedia.org/wiki/IBM_WebSphere_MQ

Simple Point-to-point application using WebSphere MQ JMS:-

http://www.ibm.com/developerworks/websphere/tutorials/i-mqrad3/i-mqrad3.html

Example of mq call using java.

http://www.ibm.com/support/knowledgecenter/SSFKSJ/com.ibm.mq.helphome.doc/product_welcome_wmq.htm

Tuesday 24 November 2015

Github

https://github.com/about

To understand GitHub, you must first have an understanding of Git. Git is an open-source version control system that was started by Linus Trovalds – the same person who created Linux. Git is similar to other version control systems – Subversion, CVS, and Mercurial to name a few.

http://www.howtogeek.com/180167/htg-explains-what-is-github-and-what-do-geeks-use-it-for/

http://techcrunch.com/2012/07/14/what-exactly-is-github-anyway/

What is the difference between Git and GitHub?

Git is a version control system; think of it as a series of snapshots (commits) of your code. You see a path of these snapshots, in which order they where created. You can make branches to experiment and come back to snapshots you took.

GitHub, is a web-page on which you can publish your Git repositories and collaborate with other people.
Is Git saving every repository locally (in the user's machine) and in GitHub?

No, it's only local. You can decide to push (publish) some branches on GitHub.
Can you use Git without GitHub? If yes, what would be the benefit for using GitHub?

Yes, Git runs local if you don't use GitHub. An alternative to using GitHub could be running Git on files hosted on Dropbox, but GitHub is a more streamlined service as it was made especially for Git.
How does Git compare to a backup system such as Time Machine?

It's a different thing, Git lets you track changes and your development process. If you use Git with GitHub, it becomes effectively a backup. However usually you would not push all the time to GitHub, at which point you do not have a full backup if things go wrong. I use git in a folder that is synchronized with Dropbox.
Is this a manual process, in other words if you don't commit you won't have a new version of the changes made?

Yes, committing and pushing are both manual.
If are not collaborating and you are already using a backup system why would you use Git?

If you encounter an error between commits you can use the command git diff to see the differences between the current code and the last working commit, helping you to locate your error.
You can also just go back to the last working commit.
If you want to try a change, but are not sure that it will work. You create a branch to test you code change. If it works fine, you merge it to the main branch. If it does not you just throw the branch away and go back to the main branch.
You did some debugging. Before you commit you always look at the changes from the last commit. You see your debug print statement that you forgot to delete.
Reference:-