open cart 2.3 change Theme

To change in open cart 2.3

1. Go to Admin=>Extensions(main menu)=>Extensions(sub menu)

2. Select Themes as Extension Type

3. Click on Edit Action in Your store(blue button in above image) and select your theme directory

That's it

Angular Js- Use a filter in expression with javascript addition operator

Recently in one of my Projects I was stuck up in an issue regarding filters

Here is My Custom Filter

       app.filter('alterCap',function()   
       {  
         return function(x)   
         {  
           var i, c, txt = "";  
           for (i = 0; i < x.length; i++) {  
             c = x[i];  
             if (i % 2 == 0) {  
               c = c.toUpperCase();  
             }  
             txt += c;  
           }  
           return txt;  
         };  
       });  

I am trying to use this filter in my HTML as

 {{ x.country|alterCap + ":" + x.capital|alterCap }}  

But this didn't worked out so I had to use filter in my controller.Here is how I did the same

 app.controller("myCtrl",function($scope,$filter){  
         $scope.capitals = [  
         {country:'India',capital:'Delhi'},  
         {country:'Sri Lanka',capital:'Colombo'},  
         {country:'Afganistan',capital:'Kabul'},  
         {country:'Bhutan',capital:'Norway'},  
         {country:'Nepal',capital:'Thimphu'},  
         {country:'Japan',capital:'Tokyo'},  
         {country:'China',capital:'Beijing'},  
         {country:'Russia',capital:'Moscow'},  
         {country:'USA',capital:'Washington, D.C.'}  
         ];  
         $scope.applyAlterCap = function(movie){  
           return $filter('alterCap')(movie);  
         };  
       });  

And then I used this in my Html as follows

 <p>Using Custom Filter with addition operator inside expression</p>  
     <ul>  
       <li ng-repeat="x in capitals | orderBy:'capital'">  
         {{ applyAlterCap(x.country) + ":" + x.capital }}  
       </li>  
     </ul>  

Ubuntu boots into command line after update

I recently faced this issue after updating to Ubuntu 15.10 and was looking for solutions until this one worked for me

Enter into recovery mode from grub and run the following  command

sudo dpkg --configure -a

Symfony-Error-Annotation not Imported

[Semantical Error] The annotation "@Template" in method AppBundle\Controller\DefaultController::indexAction() was never imported. Did you maybe forget to add a "use" statement for this annotation? in /var/www/symfony_learn_2_6/src/AppBundle/Controller/ (which is being imported from "/var/www/symfony_learn_2_6/app/config/routing.yml"). 

Recently while working on symfony I encountered above error.The resolution is simple we just need to add Sensio annotation handler for the above annotation.So in this case since annotation handler for template is missing we need to add 

Sensio\Bundle\FrameworkExtraBundle\Configuration\Template

above the controller.Similerly if annotation handler for route is missing then we can add 

Sensio\Bundle\FrameworkExtraBundle\Configuration\Route

Symfony-Generate Bundle Option not working in app/console

Recently in One of the symfony dumps I gathered from my IT team had an issue due to some reason "Generate Bundle" option was not working from app/console list -- raw

Solution :

Add following lines in File composer.json

"required-dev":{
"sensio/generator-bundle": "~2.3"
}

File AppKernal.php should have

new Sensio\Bundle\GeneratorBundle\SensioGenerator();

That's it

Cakephp 2.0-Validations not working

Many a times Our custom Validations do not work in cakephp due to very tiny small errors.Here is a piece of my research and development which might help you
 In the controller

       if (!empty($this->data))   
       {  
         $this->User->set($this->data);  
         if ($this->User->validates())   
         {  
           // it validated logic  
           echo "Yes we can proceed";  
         }   
         else   
         {  
           // didn't validate logic  
           $errors = $this->User->validationErrors;  
           pr($errors);  
         }  
       }  

See the line in Bold this must be done to get errors set

In the view

   <?php   
       if($this->Form->isFieldError('User.username'))  
       {  
         echo $this->Form->error('User.username', null, array('class' => 'message'));   
       }  
       ?>  

Now set the class to taste and you will get error message in view in desired color.

Cakephp 2.0-Adding favicon to your website

I was able to add a favicon to my website using code mentioned.This one is trusted and working.

 echo $this->Html->meta('favicon.ico','img/favicon.ico',array('type' => 'icon'));  

You need to place your favicon.ico file in/webroot/img directory

Cakephp 3.0-Where IN Condition with list

So here comes Cakephp 3.0 with all new syntax new ORM and many other changes.I find myself struggling with Cakephp this hard since I used cakephp 1.3 for the first time.

But here is My first struggle to help you with

  return $this->find('list',['keyField' => 'id', 'valueField' => 'name'])->where([  
          'id IN'=>$nearCitys  
       ])->toArray();  

Cakephp 3.0-Installing from Composer

Recently I was trying to install cakephp 3.0 from composer which was throwing some cache errors as such my install was unsuccessfull

Here is what I did to correct the same

When you run composer to install something let us suppose cakephp 3.0 it creates a cache in your home directory.In my case location was

/home/gaurav/.composer

 This location has a cache folder which works for composer installation.This is not writable by default so this should b provided write permissions also Cakephp 3.0 requires

• mbstring extension
• intl extension

which must be installed in advanced(google it to get concerned installation repository for your distribution)

After that my Install went smooth.

Apache2-Forbidden You don't have permission to access /dir/ on this server

Recently on restarting my Apache Server on Ubuntu I came across following error

Forbidden You don't have permission to access /dir/ on this server

After a bit of google I solved this by granting permissions to my server directory and resetting my httpd.conf directory access levels as follows

Since I am working on Ubuntu I will be using Ubuntu locations your locations can very depending upon your linux distribution

In Ubuntu httpd.conf file is place under
/etc/apache2/sites-available directory

if you list directory contents you will find files like

000-default.conf   000-default.old   example.com~
000-default.conf~  default-ssl.conf

Out of these first one is the httpd.conf file in concern(this is how Ubuntu stores it)

First make a copy of the same as you can see I have made a copy of the same 000-default.old using following command

sudo cp 000-default.conf 000-default.old

Now Alter the 000-default.conf as follows

 <VirtualHost *:80>  
   ServerAdmin webmaster@localhost  
   DocumentRoot /var/www  
   <Directory />  
     Options FollowSymLinks  
     AllowOverride None  
   </Directory>  
   <Directory /var/www>  
     Options Indexes FollowSymLinks MultiViews  
     AllowOverride All  
     Order allow,deny  
     allow from all  
   </Directory>  
   ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/  
   <Directory "/usr/lib/cgi-bin">  
     AllowOverride None  
     Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch  
     Order allow,deny  
     Allow from all  
   </Directory>  
   ErrorLog ${APACHE_LOG_DIR}/error.log  
   # Possible values include: debug, info, notice, warn, error, crit,  
   # alert, emerg.  
   LogLevel warn  
   CustomLog ${APACHE_LOG_DIR}/access.log combined  
 </VirtualHost>  

Next grant permissions to your directory as

sudo chown -R $USER:$USER /var/www
sudo chmod -R g+rw /var/www

You will now be able to access your localhost directory