Review of WhatsApp Web client

WhatsApp has recently launched it web interface,


To use WhatsApp web client you need to perform below steps:

1) Update WhatsApp application from android play store

2) Open google’s chrome browser and type https://web.whatsapp.com/

3) Open WhatsApp application -> Menu -> WhatsApp Web -> keep your mobile and scan the QR code displayed in browser tab.

If internet conection is good then with in 2 seconds all your contacts and chat information will be there on Web interface. Its Ultra fast in this login and sync.


Limitation of WhatsApp web interface/client:

1) You can not use it from other browser. So you need to install chrome only

2) WhatsApp ‘s update is not released yet for IOS

3) You can not change your display picture and status from this Web interface,

4) After login in web interface you need to keep continue internet connection in your smart phone also to use this web interface.   [This is big limitation]  Because now it will use your PC’s internet and your mobile internet both.

5) There is no any indication in mobile app that you are logged in any WhatsApp web. So if you forget to logout from WhatsApp web ui then there is no indication for that.

Good points about WhatsApp web interface/Client:

1) Login and sync are ultra fast.

2) UI is much simple and great. You just love it

3) In PC if you are in any other window then also whatsapp notification comes like Gmail’s mail notification.

4) Mobile’s battery low notification is displayed in web client


Cross Compile C/C++ based programs and Run them on Android Smart-Phones

How to write android application in c programming?

1. Introduction:

Learn how to cross compile pure C / C++ based native programs using different methods and
execute it on your ARM based Android Smart-Phone’s ADB terminal. By the end of this tutorial, you will be able to port any C / C++ based Native project in your Android smartphone.

2. Prerequisite Experience:

Before we get started,Let’s make sure you are quite aware about following things.
1) You are experienced with C or C++ programming language.
2) You know how to compile any small C program using gcc
3) You are quite comfortable using the command line in Linux/Windows.
4) You are quite comfortable with Android Development tools like ADB
5) You understand the terms like “cross compilation”, “Host machine”
6) You are quite comfortable with git and repo commands

3. When you need to cross compile C/C++ programs:

All Android’s GUI based applications are JAVA based so if you want to process something in native code(C/C++) then you need to use JNI interface and call any c methods using JAVA interface and use it. But if you want to do something in pure native code or You want to port any existing programs/libraries available for Linux/Windows to Android smart-phones then you need to simply cross compile it.
Here we will shows you 3 different methods to cross compile this simple hello word program.
==== test.c =====

int main()
printf("Hello world \n");
printf("It is cross compiled on Linux/Windows \n");
printf("It is running on your Android Smart-Phone \n");
return 0;


Method 1: Static compilation using standalone toolchain

Here your program will cross compile against standard libc instead of Android’s bionic library.
Generated binary will have copy of all required functions. It will not use any library installed on
android device so its binary size will be larger.
Supported Host OS: Linux only
Here you can download and install standalone toolchain by below command in Linux terminal

sudo apt-get install gcc-arm-linux-gnueabi

Now lets set some environment variable for cross compilation.

export CROSS_COMPILE=arm-linux-gnueabi-gcc

Now lets cross compile test.c file

arm-linux-gnueabi-gcc -static -o HelloWorldInAndroid test.c

HelloWorldInAndroid is the final binary compiled for ARM based Android device.

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Motorola’s Moto G does not boot up due to fully dischared battey issue


Hi Friends after a long time i am back ….

Just few days ago My wife has gifted me brand new Motorola’s smart phone Moto G (Black, with 16 GB) on our first anniversary. I was very much happy but just 2 days latter due to my bad habit of charging phones i laid down to my moto G  fully discharged.  And next morning when i connected Motorola’s charger with mobile nothing happen. No indication on mobile. no blinking of  notification LED nor on screen. I kept couple of minutes charging but nothing happen.

I have used nokia since last 10 years and i did not face any such issue with those mobiles when they get fully discharged. Nokia’s phone used to boot on in couple of minutes charging.

Anyway i have googled and find out that this issue is well known in Moto G.

  • Some people said They keep Moto G in charging over night and still Moto G did not boot up.
  • Some people have tried different charger but did not boot up.
  • Some says they left the phone for one day [24 hours] without any further charging, and it magically came back to life and started charging after trying it again. 
  • Some says If the battery runs out and refuses to recharge, don’t panic! Let  the phone rest (not plugged in to charger) for a few hours or overnight, then it will respond to the charger.

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What’s new in Android 4.2.2 Jelly Bean

Author saurabh    Category Android, Tips     Tags


Android 4.2.2 isn’t quite official yet, but it’s slow roll out has been bolstered by manual download links and folks are finding a few new things in the latest firmware. Most of it is behind the scenes and will be covered by words like “stability enhancements” and bug fixes, and those are what’s really important. A specific that folks are reporting is a fix to the Bluetooth stack to fix audio stuttering, and that’s something folks have been waiting for. Equally important is that plenty of people are saying their Nexus devices are no longer randomly rebooting, so if you have an issue there hopefully Android 4.2.2 fixes it.

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Set dynamic attributes to entire site

Today while integrating theme in WordPress i have asked to my TL that is it possible to set title attribute for a tag of the HTML without actually placing it to entire site.

She has given me solution which i am sharing here,

jQuery(function () {
//set dynamic title attribute to &lt;a&gt; tag
jQuery('a').each(function() {
//check broken links for the SEO
if(jQuery(this).attr("href")=="#" || jQuery(this).attr("href")=="")
//set dynamic title attribute for the &lt;input type=' submit'&gt; tag
jQuery('input:submit').each(function() {
//set dynamic title attribute for the &lt;input type=' button'&gt; tag
jQuery('input:button').each(function() {

Above code will set title attribute for the <a> and <input> tags.

And this way developer can place such dynamic attributes which saves lots of development and designing time.


Difference between c and c++ and java programming languages

Author JIGAR PATEL    Category c++, tips     Tags

In last 2 yeas i have worked a lot on C Programming But now days i need to work on C++ and Java programming language. I have not time to take book of C++ or java programming and start to read that…In any programming language most of the stuff are common. So you know one language very well then by keeping that in mind you can learn other language very well.

Some days ago i found this article and it helped me a lot. i  hope this will also help you….

C++ Style Languages: C++, Objective C, Java, C#

  • it shows the hello world program , version checks,used libraries,
  • primitive  data types,
  • arithmetic and logical operation
  • arrays and strings,
  • regular expressions,
  • dates and time,
  • functions declaration ,
  • execution control flow,
  • files operatins,
  • processes and environment,
  • libraries and namespaces
  • concept of objects

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Little endian and Big endian in C programming

This is the most complex concept…. i have read enough on net and some books but   still i was not getting this concept. i was not understanding how this will effect my c code. But i have did some  experiments with some example code and tried to understand things. and here now i am going to share those examples.

In computing, the term endian or endianness refers to the ordering of individually addressable sub-components within the representation of a larger data item as stored in external memory (or, sometimes, as sent on a serial connection)

You can understand basic things about at 

Little endian and Big endian



How to access/unblock songs.pk in india?


                        Due to the pirated supply of music kolkata high court have banned songs.pk and now it can’t be accessed in india.

All isp’s have been asked to put an injection so that songs.pk can’t be accessed.
Following are several Indian ISP names included which have to block Songs.pk in India.



Sify Technologies Ltd
Dishnet Wireless Ltd
Wipro Ltd
Hathway Cable & Datacom Pvt Ltd
Tata Teleservices (Maharashtra) Ltd
Hughes Communications Ltd India
Reliance Communications Infrastructure Ltd
Reliance Wimax Ltd
Bharti Airtel Ltd
Vodafone India Ltd
BG Broadband India Pvt Ltd

 Now to access such blocked sites you need proxy to these blocked sites.

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Stop Plugin from showing updates

While developing WordPress site most of the time we use different plugin for the better support of the site.And some times we as a developer make some customization in the default plugin files for our required functionality.

The plugin files are always get updated from its developer and the updates for newer version are notified to us by the wordpress. Suppose we have make some customization in code in the original plugin’s file then that changes will be removed if we update the plugin file to newer version.So to solve this problem we have to stop the automatic update option of the plugin or update notification of the plugin.

To do this we can have two Methods.
That are,

Method 1:

just add below code to the function.php file of your current theme ,

# 3.0:
remove_action( 'load-update-core.php', 'wp_update_plugins' );
add_filter( 'pre_site_transient_update_plugins', create_function( '$a', "return null;" ) );

if you are using wordpress 3.0 or higher version.
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How to resolve jquery conflict?

Many a times in the project we have to use jQuery code.And some times this jQuery code gets conflict with some other jQuery code.So to solve that issue i have some solution which will help you to getout from the jQuery conflict issue so that you can get back to your work.

When you are using multiple jQuery files you may lead to the conflict amoung them.Because most of the time jQuery file use “$” in the file as the jQuery reference variable throw out the code.And because of this “$” variable jQuery files get conflict with each other.

To resolve the jQuery conflict issue you can use any of the below option,

Option 1:

When you put jQuery into no-conflict mode, you have the option of assigning a variable name to replace $. ( only once )

<script src="prototype.js"></script>
<script src="jquery.js"></script>
<script>var $j = jQuery.noConflict();</script>

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