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Technology and business

technology and business are becoming inextricably interwoven. I don't think anybody can talk meaningfully about one without the talking about the other

Arthur C. Clarke

Any sufficiently advanced technology is indistinguishable from magic.

Bill Gates is a very rich man today... and do you want to know why? The answer is one word: versions.

Softwares

Defect-free software does not exist.

Technology is like a fish. The longer it stays on the shelf, the less desirable it becomes.

Sunday, September 1, 2013

Easy and fast way to add PayPal payment gateway to your website

8:40 PM    No comments

following is paypal Buy now button java script code
You need to add paypal-button.min.js   click here to download and
add as follows between your <head> tag 
or add github URL https://raw.github.com/paypal/JavaScriptButtons/master/dist/paypal-button.min.js
<script 
    data-callback="http://sep06.netne.net/online_portal/controller_b/post_ad/success" 
    data-tax="0" 
    data-shipping="0" 
    data-amount="5.5" 
    data-name="harsha" 
    data-button="buynow" src="https://raw.github.com/paypal/JavaScriptButtons/master/dist/paypal-button.min.js?merchant=harshagayan90@gmail.com"
>
</script>


here you need to customize your code as followsmerchant="Your paypal email"
data-name="What you need to appear in pay slip"
data-amount="How much money you want in $ s"

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PHP codigniter ajax call to load dropdown when another dropdown changes

8:18 PM    No comments

<select id="makes2" name="makes2" style="width:200px;" data-hint="" onchange="load_dropdown_content1($('#field2'), this.value)">
                          <?php 
$sql = mysql_query("SELECT distinct make FROM advertisements");
while ($row = mysql_fetch_array($sql)){
echo "<option value='".$row['make']."'>" . $row['make'] . "</option>";
}
?>

 </select>

here my values are hard coded to load values from mysql database

when dropdown onchange() function following javascript function will be called

 here my controller compareVehicles --> get_dropdown_values1 function is called asynchronously

<script type="text/javascript">
function load_dropdown_content1(field_dropdown1, selected_value1){
   var result = $.ajax({
        'url' : '<?php echo site_url('compareVehicles/get_dropdown_values1'); ?>/'+selected_value1,
        'async' : false
    }).responseText;
    field_dropdown1.replaceWith(result);





}
inside the controller my function as follows
function get_dropdown_values1($filter11){

        $this->load->model('model_c/cmp_vehi_model');

        $result1 = $this->cmp_vehi_model->get_options1($filter11);

foreach($result1 as  $key1 => $value1){

$final1 = array('{$key1}' => $value1);

}

        $this->load->helper('form');

       
echo "<select name=\"field2\" id=\"field2\" onchange=\"load_dropdown_contentad($('#field5'), this.value);\" onblur=\"load_dropdown_contentad($('#field5'), this.value);\"  onfocus=\"load_dropdown_contentad($('#field5'), this.value);\"  style=\"width:200px\"  >";
    

foreach($result1 as  $key1 => $value1){
echo"<option value='{$value1}'>{$value1}</option>";
}

echo "</select>";


    }



model that is calling from controller as follows


function get_options1($filter11){

$query1 = $this->db->query("SELECT distinct modelnumber FROM advertisements WHERE make LIKE '".$filter11."'");
$result1 = $query1->result_array();

$x1 = array();
foreach($result1 as $i1){

array_push($x1, $i1['modelnumber']);

}


 
        return $x1;

    }

in my controller php code is  echo to load ajax called dropdown
Please go to following link to see how it works
http://sep06.netne.net/online_portal/index.php/controller_c/compareVehicles/cmpVehicles

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How to define static javascript variable

7:58 PM    No comments

<script type="text/javascript">
checkadid.count=0;
checkadid.adid="";

function checkadid(checkbox)
{

checkadid.adid=checkadid.adid.concat(checkbox.value);

    if (checkbox.checked)
    {
        
    }
}

 </script>
here my javascript static variable is checkadid.adid
since javascripts are weakly type there is no hard and fast rules you need to define variable as above

 and i used this static variable access to following java script function


function load_table(){


 
var aid=checkadid.adid;
 
if(aid.length<=6){
 
alert("Please select at least 2 advertistment")
 
}
else{
     window.location.href="<?php echo site_url('controller_c/compareVehicles/ctable'); ?>?aid="+aid;

}

  }

static java script variable can access from any where within any javascript function

 Click here to learn about javascript variables



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