Math V Respect

Theory:

You can teach math to all children, but not every child will understand it. The same principle applies to teaching respect, kindness, and other values.

Protest - A short story attempt

For any negative outcomes, why does the mind always tries to find a reason to blame the others ?

Well perhaps, it is just want to move on with confidence.
 
The story begins 

The hero of this story is at his 22, another VIP from one of the moderate paid university and most importantly a free 4G customer of big telecom company. He has a wonderful family like the Manik's in the Tamil movie Baasha and recently moved to a town where people are protesting against the armed government for some reasons. Past one week he has been receiving messages about the protest from all of his e-social groups.

In one of the Whatsapp group he received a message from his friend Mr. X

"Democracy is not working for people. The government is trying to kill our future and now is the time to show our power. Whoever is not coming for today's protest are cowards and will be called as zombies. I am going so does you - Your friend"

He decided to go since he is the hero.

He reached the protest area at right time and there were plenty of people marching towards the collectorate. Near the gate an armed policeman asked the protesters to disperse, otherwise he has to obey the shooting order.

Mr. Y from the crowd replied the policeman saying

"The number of bullets you had is not enough to shoot all of us. You are out numbered. Don't threat us."

Some of the anti-cool guys from the last rows has pushed the crowd and the people in the front are forced to move forward. The policeman rised his arm and gave his final warning. The crowd has not stopped and the Murphy's law worked.

Suddenly the bullets came from all the directions, and yes it was a master plan. Due to unavoidable survival instinicts people started dispersing as fast as they can. More than 13 people died on the spot.

The next day Mr. X came to hospital to see our injured hero and asked

"Why the hell you went there ?"

and the story ends.

I want to move on with confidence so I underlined.

Some one cloned my android application from the Google Play store and published the same in the Play store

Stealing is not right. I searched google for a solution and found the useful blog http://arkenea.com/blog/app-cloning/ 

The blog suggest me to make a Gentleman's move first by writing an email to the appropriate party about their violations. It also suggest me to inform to the Playstore as a further step.

I decided to register a complaint on the Playstore first and also wrote an email to the person who cloned my app. I never received a reply from that person.

Trust me Google team actively working on the removal of the contents that are violating the policy. All we need to do is inform the activity to the Google.

Here is what I did.

I got the Link to register the complaint from the blog.

https://support.google.com/legal/troubleshooter/1114905?hl=en

The link prompt me few questions.For all the questions, we have to choose the appropriate answers, I mentioned what I chose

Q1. What Google product does your request relate to? 
          
          Google Play: Apps

Q2. What can we help you with? 

       I have found content that may violate my copyright
 
Q3. Are you the copyright owner or authorized to act on his/her behalf?

       Yes, I am the copyright owner or am authorized to act on the copyright owner’s behalf

Q4. What is the allegedly infringing work in question?
    
       Other

I read the instructions and clicked on the form link(this form) present in the last line.This is the main form that reports the alleged copyright infringement

Section 1 : Contact Information 
                 I entered all my information

Section 2 : Your copyrighted work
            2.1  Identify and describe the copyrighted work
    
                  This is description box, where we can explain our concerns.
                  I mentioned the my issue like the following

                  Application Content.

                  I created the application named "<APP NAME>" in playstore  

                  https://play.google.com/store/apps/details?id=<Id>

                  Some one copied my entire Application code and published 
                  the  similar one named "<CLONED APP NAME>"  with logo 
                  and locale changes in playstore
 
                  https://play.google.com/store/apps/details?id=<CloneAPPId>

            2.2 Where can we see an authorized example of the work?
                 My application link in the play store
                 https://play.google.com/store/apps/details?id=<Id>

Section 3 : Allegedly infringing material 
              3.1 Location of the allegedly infringing material   
                  Cloned application link in the play store
                  https://play.google.com/store/apps/details?id=<CloneAPPId>    
              3.2 Attachment
                   I attached a screen shot of a cloned app.

Section 4 : Sworn statements
                 I read all the statement and checked all the check boxes.

Section 5 : Signature
                 Typed my name

I read the terms and verified all the information and clicked Submit button. Then I saw the confirmation message and received the acknowledgement email to the address given in Section 1
 
September 13 2017 - I filed a complaint.

September 15 2017 - Google team replied with the the message saying that the content I mentioned violating their policies and they will be working on removing from the services. The same day the cloned app is removed from the play store.

Please make a note that mis-using above forms will also be consider as violation of policy.

It is true that Laptops prices are cheaper in America than India

Last Monday I bought my second Laptop with good configurations for the price $811.86

This product current price in India is ₹119,478.00 with 8GB RAM. I bought this in Dallas.I am happy about that I am lucky to get it for ₹52,715

Impact of A.P.J Abdul Kalam

27 July 2015 , a message was spreading like anything, I was outside and got a call from my sister in the evening,

She :  Did u know the news ?

Me  :  What happened ?

She :  In news channel, they are telecasting the death news of Abdul Kalam.

Me  :  ....

After few minutes, there was a complete silence  in my mind.Here silence is  some kind of pain , I don't know how to express in words.

After a long time I asked question to myself

 "What this man did and why I can't digest the news?"

 Might be because ,

   In school I studied his book content as a subject

   In school days, I had an aim of become a scientist like him

   He is the former president of India

   He is one of the man from my state I can proud about

Any form of the reason silence remains the same.I had decided to stand on his words.

 "We should not give up and we should not allow the problem to defeat us"

"The youth need to be enabled to become job generators from job seekers" 

"Mudiyaathu Endru Nee Solvathai Ellaam Yaaro Oruvan Engo Seithu Kondu thaan Irukiran" (Someone is doing what you think that you can't do)
 
   - A. P. J. Abdul Kalam

Man of Steel movie quote

Movie dialogue that makes me think. Man of steel 

Father Leone tells to Clark kent : "Sometimes you have to take a leap of faith first, the trust part comes later"

Yes I think..

One man was showing his 6 year old cousin their location in Google Maps.

On seeing the blue spot, child calmly asked, "Where am I here? I can't see! Where are you?" 

Parallel::ForkManager - Parallel Processing of a Perl script

 I recently used Parallel::ForkManager  perl module in one of my project.I was quite impressed by this module.By using this module it is very easy to do parallel processing where ever it needs.

My task :  Process thousands of client profiles information and store into a Database.

Approach : Form perl data structure to each profile and pass it to a subroutine that taken care of Database insertion part.

 So Every time when a profile Data structure has been formed , it has to wait till the completion of profile insertion part.

Stub :

my @responses; 
my $total_profiles = scalar @profiles;

for ( 1 .. $total_profiles ) {
    my $profile = shift @profiles;
    # form appropriate structure of $profile
    my $response =  storeProfile($profile);
    push(@responses , $response);
}

print Dumper \@responses;

#storeProfile subroutine has DB operations.

 
How Parallel Fork Manager helps to do it parallely 

use Parallel::ForkManager;
$max_process = 5;  #carefully  choose this number;

Carefully  choose max process because if your system is busy and it has more number of applications running , choosing a big number will affect other process.Parallel fork manager will create that many number of child process so each process will try occupy the cores.There is chance of system hang.

It is the advantage of the module, your script runs parallel y and make use of all cores.So the entire operation will be faster.

 In my task subroutine storeProfile runs parallel y  by 5 child process.So the speed of process will increase by 5 times

Assume that storing one profile took 0.5s 
than 
without Parallel::ForkManager 1000 profiles will take 500s
with Parallel::ForkManager 1000 profiles will take  100s
(if max_process is 10 then 1000 profiles will take  50s



$pm = new Parallel::ForkManager($max_process);
my @responses; 
$pm->run_on_finish(    # called at the end of child_process completion 
       sub {
           my ($pid, $exit_code, $ident, $exit_signal, $core_dump, $response) = @_; 
          # retrieve response  from child
           if (defined($response)) {   
                push(@responses , $response);
           }
       }
);

my $total_profiles = scalar @profiles;

foreach ( 1 .. $total_profiles ) {
     my $profile = shift @profiles;
     # form appropriate structure of $profile
     #FORK HERE
     $pm->start and next;
     #following code will run by child process
     my $response = storeProfile($profile);
     $pm->finish(0, $response); 
}

$pm->wait_all_children; #wait till all the child process completes
print Dumper \@responses;

Note : 

       * Before start using this module, one should be aware of selecting the number of process.

       * It is not good  to use this module when the script runs as a server that handles the request.

For example , if you try to create 5 process from the script , for each request it will create 5 process, if 10 parallel request comes than 5 * 10 process will create, Its a kind of Fork Bomb.Server will hang.

I would suggest to use Parallel::ForkManager in a stand alone script.

Reference : 
http://search.cpan.org/~szabgab/Parallel-ForkManager-1.06/lib/Parallel/ForkManager.pm

Perl Subroutine to get random

Generate random number with given number of digits

sub getRandomNum {

     my $count = shift;

     return  join('', map {  int(rand(9)) } (1 .. $count) );

}

Generate random word with given number of characters

sub getName{

    my $count = shift;

    return join ('',map { ('a'..'z')[rand 26] } 0 .. $count);

}

Audio file conversion using sox

Example : 

convert a .ulaw file to .sln16 file

Command :

sox -t ul -c 1 -r 8k  file.ulaw  -D -V0 -s -r 16k -t s2 -c 1 file.sln16

Switch : 

-t type  

-c channel

-r sample rate

-D no diether (no white noise added to source file during conversion)

-V0 verbosity level set to 0 (no error or warning messages are shown) 

Reference : 

http://sox.sourceforge.net/sox.html

http://sox.sourceforge.net/soxformat.html

Develop your own android application using HTML and JavaScript.

PreRequirements :

•   Eclipse IDE
•   AVD 

For Linux users every things comes under one zip ,just extract to home folder is enough.  
here you can get http://developer.android.com/sdk/index.html

For Windows users may be this  http://www.youtube.com/watch?v=TTrUX1kUpDo video will help or do other searches.

Steps 

1.  Creation of project..

     In Eclipse, choose file -> new -> android app project.
     give app name and choose next
     choose icon click next and create a blank activity and choose finish..


2. Creation of html file as application..

    Assume that this html file is your application.
    just close that default opened xml file.

    create a html file inside the folder assets 
    right click on assets and choose  new -> file 
    and give file name     ex)  my_app.html

Note : open all the files using the text editor..     

     sample html file 
----------- my_app.html--------

<html>
<head>
<script language="javascript">
function modify()
{
var obj=document.getElementById("h2");
obj.innerHTML="Using Html javascript any thing is possible !";
}
</script>
</head>
<h1 >This is Android Web Application</h1>
<h2 id="h2">Is it Possible ?</h2>
<body>
<input type="button" value="Click Me" onclick="modify()"></input>
</body>
</html> 

----------------------------------------


3. Creation of Webview layout..

  create an xml file "webview.xml" inside the folder
                res -> layout ->webview.xml 
  right click on the layout folder and click new -> file ..

webview.xml should contains following .. just copy and paste the following 


----------- webview.html--------

<?xml version="1.0" encoding="utf-8"?>
<WebView  xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/webView1"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
/>

----------------------------------------

4. Modification in MainActivity.java file..

   Open the MainActivity.java file in the folder 
    src -> com.package.yourappname ->  MainActivity.java
  
    delete the @Override public boolean onCreateOptionsMenu(Menu menu) {}  method 


    import the android.webkit.WebView package..

    type the following line on the top 

        " import android.webkit.WebView; "


     create one object for the WebView class

      type the following line after this public class MainActivity extends Activity {

"  private WebView webView;  "

   inside the onCreate(Bundle savedInstanceState) method 
    set the content view to webview layout.

    modify this "setContentView(R.layout.activity_main)" line to "setContentView(R.layout.webview)" 

   and  add the following lines after the setContentView() method

webView = (WebView) findViewById(R.id.webView1);
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl("file:///android_asset/my_app.html");  

Note: html file name should be your file name ,in my case it was my_app.html


now your MainActivity is looking like the following

----------MainActivity.java----------------

package com.example.webapplication;


import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.webkit.WebView;


public class MainActivity extends Activity {
private WebView webView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.webview);

webView = (WebView) findViewById(R.id.webView1);
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl("file:///android_asset/my_app.html");

}


}

-----------------------------------------------

5.Modification in the AndroidManfest.xml file..

   open the AndroidManfest.xml file and add the following line between the <uses-sdk tag > and <application tag> 

 <uses-permission android:name="android.permission.INTERNET" />



6. Run the Project..

   Save all the files and 
   Right Click on the project and choose run as -> Android Application project.



References

http://developer.android.com/guide/webapps/webview.html

Linux Booting Process

1. First BIOS runs POST (Power-On Self-Test).

• verify CPU registers

• verify the integrity of the BIOS code itself

• verify some basic components like DMA, timer, interrupt controller

• find, size, and verify system main memory

• initialize BIOS

• pass control to other specialized BIOSes (if and when required)

• identify, organize, and select which devices are available for booting

2. BIOS determines boot device.

If storage device like hard disk, BIOS loads "boot loader" program from MBR of hard disk In linux, typical boot loader program is "grub" (Grand Unified Boot Loader).

3. Grub further figures out how to fetch the kernel and the initrd image.

4. kernel mounts initrd to get a temporary root file system.

5. kernel is also tells where the actual root file system is (in grub config).

6. then kernel mounts root file system and runs /sbin/init (can be overridden by

passing init=/path/to/some/other/program).

7. init is the first process and it reads /etc/init/*.conf and /etc/init/rc-sysinit.conf contains runlevel information init effectively runs all executable files in /etc/rcRUNLEVEL.d/S* and stops /etc/rcRUNLEVEL.d/K*

some of these programs run by init setup various things needed by the OS, such as pseudo-tty devices, configure network, start needed daemons, etc.,

8. Thus all the services needed for OS has been started.

OS BEGINS.