Wordpress create custom fields into Settings -> General

<?php
add_filter('admin_init', 'notification_start_date');
function notification_start_date() {
    register_setting('general', 'notification_start_date', 'esc_attr');
    add_settings_field('notification_start_date', '<label for="notification_start_date">' . __('Notification start date', 'notification_start_date') . '</label>', 'notification_start_date_html', 'general');
}
function notification_start_date_html() {
    $value = get_option('notification_start_date', '');
    echo '<input type="date" id="notification_start_date" name="notification_start_date" value="' . $value . '" />';
}




add_filter('admin_init', 'notification_end_date');
function notification_end_date() {
    register_setting('general', 'notification_end_date', 'esc_attr');
    add_settings_field('notification_end_date', '<label for="notification_end_date">' . __('Notification start date', 'notification_end_date') . '</label>', 'notification_end_date_html', 'general');
}
function notification_end_date_html() {
    $value = get_option('notification_end_date', '');
    echo '<input type="date" id="notification_end_date" name="notification_end_date" value="' . $value . '" />';
}



add_filter('admin_init', 'notification');
function notification() {
    register_setting('general', 'notification', 'esc_attr');
    add_settings_field('notification', '<label for="notification">' . __('Notification start date', 'notification') . '</label>', 'notification_html', 'general');
}
function notification_html() {
    $value = get_option('notification', '');
    echo '<input type="date" id="notification" name="notification" value="' . $value . '" />';
}
?>

Wordpress create post with categories

add_action( 'init', 'article_fn' );

function article_fn() {

register_post_type( 'article', array(

  'labels' => array(

    'name' => 'Article',

    'add_new_item' => 'Add new article',

    'add_new' => 'Add new article',

    'view_item' => 'View Article',

    'singular_name' => 'Article',

    'set_featured_image' => 'Set article featured image',

    'search_items' => 'Search Article',

    'menu_name' => 'All Articles',

    'name_admin_bar' => 'View all articles'

   ),

  'description' => 'Article which we will be discussing on this blog.',

  'public' => true,

  'taxonomies' => array( 'category' ),

  'menu_position' => 2,

  'supports' => array( 'title', 'editor', 'custom-fields','author','thumbnail','excerpt','trackbacks','comments','revisions','page-attributes','post-formats' )

));

}

Wordpress custom posttype

add_theme_support('post-thumbnails');
add_post_type_support( 'my_product', 'thumbnail' );   
function create_post_type() {
        register_post_type( 'my_product',
            array(
                'labels' => array(
                    'name' => __( 'Products' ),
                    'singular_name' => __( 'Product' )
                ),
                'public' => true,
                'has_archive' => true
            )
        );
    }
    add_action( 'init', 'create_post_type' );

Hide wordpress current version details on browser.

function dd_remove_wp_version_strings($src) {

        global $wp_version;

        parse_str(parse_url($src, PHP_URL_QUERY), $query);

        if (!empty($query['ver']) && $query['ver'] === $wp_version) {

            $src = remove_query_arg('ver', $src);

        }

        return $src;

    }

    add_filter('script_loader_src', 'dd_remove_wp_version_strings');

    add_filter('style_loader_src', 'dd_remove_wp_version_strings');

    function dd_remove_version() {

        return '';

    }

    add_filter('the_generator', 'dd_remove_version');

To Be implement in magento?

http://www.rapidcommerce.eu/blog/2012/05/magento-product-list-ajax-scroll/
http://bluezeal.in/ccavenue4magento/ccavenue-payment-module-for-magento
http://keertikiran.blogspot.in/2012/05/display-date-in-specified-format-in.html
product question extension....
http://www.magentocommerce.com/magento-connect/cueblocks-zoom.html
Mturbo cache management
http://www.tonecruisers.com/OurMusic.html (to create playlist)
http://www.magentocommerce.com/magento-connect/cueblocks-zoom.html
http://www.magentocommerce.com/magento-connect/gala-color-swatches-free-9787.html
http://www.uniformadvantage.com/

Some Useful links

torrent like for download    http://torrentz.eu/

resume format    http://speckyboy.com/2010/05/05/10-free-professional-html-and-css-templates/

for upload n number of files    http://www.mediafire.com/myfiles.php?r=hjyye

torrent like for downloads    http://www.picktorrent.com/

rajesh blog    http://linuxopensourceindia.blogspot.com/

magento extension link    http://www.magentocommerce.com/magento-connect/

vizualize me resume update site    http://vizualize.me/

online recharge    http://www.paytm.com/

for buying domain    http://www.godaddy.com/

jobs website    http://www.jobrapido.co.in/

online shopping link    http://www.homeshop18.com/

xml and rss feed links    http://www.w3schools.com/php/php_ajax_rss_reader.asp

for good sms    http://www.feelings2share.com/

links for download serial keys    http://www.serials.ws/index.php

light box important link    http://orangoo.com/labs/GreyBox/

javascript key event code link    http://www.webonweboff.com/tips/js/event_key_codes.aspx

trace mobile number (check mobile number is of which state and city)    http://trace.bharatiyamobile.com/

websites ratings    http://www.seomoz.org/web2.0

website for download document    http://www.docstoc.com/

mysql cookbook    http://www.freeopenbook.com/mysqlcookbook/mysqlckbk-chp-5.html

calculate internet speed    http://pcnineoneone.com/speedtest.php

sms sending site with no site name come on footer    http://www.site2sms.com/user/send_sms_next.asp

online tshirt purchase    http://www.tshirts.in/

pick torrent    http://www.picktorrent.com/

torrent links for download    http://www.torrentportal.com/

torrent links for download    http://extratorrent.com/

jquery slider carhousies    http://www.designdim.com/2011/01/19-outstanding-jquery-sliders-and-carousels/

http://thomaslanciaux.pro/jquery/jquery_carousel.htm

Magento Blog Links

Magento Extension to be implement:
http://www.magentocommerce.com/magento-connect/cart-items-preview-on-mouseover.html

HTML5 Links:
http://www.htmldrive.net/

Core PHP Hints :
http://bmehla.wordpress.com/

Create loading image through script :

http://ajaxload.info/
http://picasion.com/upload-pictures/

Magento For Beginners:
http://dbhoopendra.blogspot.in/ 
http://xhtmlandcsshelp.blogspot.in/
http://spenserbaldwin.com/
http://subesh.com.np/category/google/google-maps/
http://sanjoyroy.wordpress.com/author/sanjoyroy
http://www.khemissi.com/2010/07/09/magento-diagram-website-store-store-view/

Magento Query Conditions :

http://fishpig.co.uk/blog/addattributetofilter-conditionals-in-magento.html

Jquery Slider Links

http://www.freshdesignweb.com/80jquery-image-slideshow-and-content-slider-tutorial.html

http://www.jquery4u.com/plugins/100-jquery-sliders-part1/#.T-safpHHFhp

Javascript Hints

http://www.javascriptkit.com/script/script2/3slide.shtml 

http://www.dhtmlgoodies.com/

http://jquerybyexample.blogspot.com/ 

Magento Blog Links

http://shamimcse05.wordpress.com/
http://dx3webs.com/front/category/magento/
http://www.pethemes.com/weblog/
http://www.blog.magepsycho.com/
http://www.inacode.com/
http://www.developersupports.com/category/2/magento/page/3/
http://www.excellencemagentoblog.com/magento-create-custom-shipping-method
http://sapnandu-magento.blogspot.in/search?updated-max=2011-09-28T22:23:00-07:00&max-results=7&start=21&by-date=false
http://developer.practicalecommerce.com/topics/33-Code
http://blog.decryptweb.com/

http://phpmysqlscript.wordpress.com

http://www.fontis.com.au/blog/magento/

http://ommune.com/adding-new-currency-symbol-of-indian-rupee-inr-in-magento/

http://magentosnippet.blogspot.in/

http://magento-talks.blogspot.in/2011_09_01_archive.html

http://xhtmlandcsshelp.blogspot.in/2011/02/absolute-path-of-base-directory-in.html

http://magentocookbook.wordpress.com/category/magento-coding/

http://www.designer-daily.com/magento-tips-17085

http://www.learnmagento.org/page/4/

http://magebase.com/

http://www.magthemes.com/magento-blog/

http://amilan.wordpress.com/2008/05/

http://www.catgento.com/

http://spenserbaldwin.com/2010/03

http://magentoexpert.blogspot.in/2010/02/restrict-access-to-magento-during.html

http://keertikiran.blogspot.in/search/label/Magento

http://blog.baobaz.com/en

http://mydons.com/category/framework/magento/

http://www.justwebdevelopment.com/blog/category/magento/

http://magento-talks.blogspot.in/

http://phptalks.wordpress.com//?s=magento&search=Go

http://www.endreywalder.com/blog/magento/
http://fishpig.co.uk/magento-tutorials/custom-tabs-magento-product-admin
http://magento4u.wordpress.com/2009/06/08/create-new-module-helloworld-in-magento/
http://www.e-commercewebdesign.co.uk/blog/magento-tips/creating-a-custom-theme-in-magento-1-5.php
http://www.webspeaks.in/search/label/magento?max-results=10

Magento Themes Link

http://www.design4magento.com/free-magento-themes/

http://www.smashingmagazine.com/2010/06/03/download-a-free-magento-theme-hellowired/

http://www.tmdhosting.com/templates/free-magento-themes.html

http://pelfusion.com/freebies/15-free-high-quality-magento-templates/

http://www.modny73.com/inspiration/27-free-magento-themes-for-download/

http://www.tmdhosting.com/templates/free-wordpress-themes.html

http://www.magento-templates.com/free-magento-templates/

http://www.freewebtemplates.com/

http://www.expertmagentodevelopers.com/blog/6-exclusive-free-magento-1-7-themes/
http://www.expertmagentodevelopers.com/blog/download-free-magento-1-7-themes/

Free Wordpress Themes Link

http://www.freewebtemplates

http://www.freewebtemplates.com/download/free-wordpress-theme/customize-774829566/download/.com/download/free-wordpress-theme/customize-774829566/download/

http://www.queness.com/wordpress-theme

http://www.freewebtemplates.com/website-templates/

Free Magento Extension link

http://www.fmeextensions.com/free-stuff/free-themes.html?mode=grid
http://www.magentheme.com/magento-extensions/free.html?limit=30

Free HTML Templates link

http://www.freewebsitetemplates.com/templates/page-9
http://www.freewebtemplates.com/shop-templates/
http://www.metamorphozis.com/
http://www.templatesbox.com/templates.htm
http://www.siteground.com/
http://www.themesbase.com/?free=1&order=&page=11

http://pligg2u.com/

http://myfreetemplatehome.com/ws4/10-administration-panel-html-templates-best-of-this-week.php

http://ginva.com/2012/05/admin-html-css-website-templates/
http://www.templatemo.com/preview/templatemo_354_simple_grid

Free And paid magento links important

http://www.mage-world.com/

http://www.magikcommerce.com/

Free Jquery Block UI link

http://dreamerslab.com/blog/en/jquery-blockui-alternative-with-jquery-msg-plugin/