Apr 24 2012

Virtualbox Linux guest OS run under Mac OS tricks

Published by under Tech

  • Install guest addition:
    http://www.youtube.com/watch?v=mBAbcwsKog8
  • Shared folder:
    • click Devices => Shared Folders
    • run in shell terminal: mount -t vboxsf shared_folder_name guest_server_path/
    • edit /etc/rc.local file and add line: mount.vboxsf -w -o uid=500 shared_folder_name guest_server_path/
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    Apr 22 2012

    Zend Framework quick start

    Published by under Tech

  • create project
    zf.sh create project rsvp
  • Link library
    ln -s /path/to/ZendFramework-1.11.11-minimal/library/Zend .
  • set up access permission for application/ folder by add .htaccess file with line:
    deny from all
  • To set the project as a sub-folder instead of document root (common in shared hosting), one has to set up path redirect. First, we need to change .htaccess file under the project folder to add path rewrite function (Note: need to make sure apache httpd.conf has the “AllowOverride All” set for the folder)
    RewriteRule (.*) ./public/$1
    

    Second, we can edit configs/application.ini and add a line

    settings.baseUrl = "/rsvp"

    Third, edit Bootstrap.php and add a function

    	protected function _initBaseUrl()
    	{
    		$options = $this->getOptions();
    		$baseUrl = isset($options['settings']['baseUrl'])
    			? $options['settings']['baseUrl']
    			: null;  // null tells front controller to use autodiscovery, the default
    		$this->bootstrap('frontcontroller');
    		$front = $this->getResource('frontcontroller');
    		$front->setBaseUrl($baseUrl);
    	}
    
  • create layout
    zf.sh enable layout

    and then edit application/layouts/layout.phtml to add necessary header/footer inclusion.

  • set up database by editing application/configs/application.ini file
    resources.db.adapter = PDO_MYSQL
    resources.db.params.host = localhost
    resources.db.params.username = my_username
    resources.db.params.password = my_password
    resources.db.params.dbname = my_db
    
  • create controller
    zf.sh create controller controllername
  • create action
    zf.sh create action add controllername
    zf.sh create action edit controllername
    zf.sh create action delete controllername
    
  • create model
    zf.sh create db-table controlername db_table_name
    

    and then modify application/models/DbTable/ProjectName.php to add CRUD DB functions.

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    Mar 14 2012

    Amazon Web Service example

    Published by under Tech

    A good example to build a AWS web app is explained at http://aws.amazon.com/articles/1602?_encoding=UTF8&jiveRedirect=1

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    Feb 21 2012

    Maven command to run a Java main class

    Published by under Tech

    There might be more than one Java classes in a Maven project that contains the main() function. To pick up a specific one to run, you can try the following command:

    mvn exec:java -Dexec.mainClass="my_main_class_name"
    

    In case the memory is not enough, try the following command:

    export MAVEN_OPTS=-Xmx1024m
    

    where 1024m is the max heap memory

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    Feb 07 2012

    Reimport Maven module in Intellij

    Published by under Tech

    I recently removed a Maven module from my Intellij project. Shortly after, I tried to reimport the same module again, but somehow Intellij stubbornly refuse to show it in the Project panel. Eventually I looked into the MyProject.ipr file and found the module’s pom.xml file appeared in the ignoreFiles list.

        <option name="ignoredFiles">
          <set>
            <option value="/path/to/my/module/pom.xml" />
          </set>
        </option>
    

    After I deleted the specific line with the pom.xml, I was able to reimport the module successfully again.

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