Javascript closure simple example snippet

Demo

Counting with a local variable.

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How to make triangles or arrows using css border width

h2.entry-title { position: relative; }

h2.entry-title:after { content: ""; border-width: 15px; position: absolute; left: 179px; top: -4px; border-style: solid; border-left-width: 0; border-right: 15px solid green; border-left: 15px solid yellow; }

with all borders

h2.left-triangle:after { border:15px solid transparent; border-right: 15px solid green; }

left triangle

h2.right-triangle:after { border:15px solid transparent; border-left: 15px solid green; }

right triangle

h2.top-triangle:after { border:15px solid transparent; border-bottom: 15px solid green; }

top triangle

h2.down-triangle:after { border:15px solid transparent; border-top: 15px solid green; }

down triangle

Barchart using css and angularjs

Recently, I came across situation like generating a dynamic graph shown in screen-shot below. I have searched a lot for any javascript api to generate graph/chart like google chart, chartJs etc. But failed. Later decided to develop it with myself using css and angularJs, here is the github code, fork it and contribute :) happy coding!!  ( https://github.com/munawer-t/bar-chart-using-pure-css3-and-angularjs )

How turn on sql_mode to stric in mysql

1) Edit my.cnf
For Debian :
located at /etc/mysql/my.cnf , add to my.cnf

    [mysqld]
    sql_mode="STRICT_ALL_TABLES"

 If you want strict mode with full group by use this

[mysqld]
sql_mode="STRICT_ALL_TABLES,ONLY_FULL_GROUP_BY"

2) Restart mysql

3) Check it by running this query

SELECT @@GLOBAL.sql_mode;

Note: If you want turn off strict mode on run time just run this query

SET @@global.sql_mode='STRICT_ALL_TABLES'
OR
SET @@session.sql_mode='STRICT_ALL_TABLES'

Thats it.

Working with GhostScript : Convert PDF to images using ghostscript

Ghostscript is an interpreter for PostScript™ and (PDF) files, lets see how we can use it convert PDF to images.

-Install Ghostscript (I am using ubunutu, so I can perform)

sudo apt-get install ghostscript

- run these script via console to make images from pdf

gs -dUseCropBox -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -dAdjustWidth=0 -dNOPROMPT -sDEVICE=jpeg -dSAFER -dBATCH -dNOPAUSE -r140 -dJPEGQ=80  -dFirstPage='1' -dLastPage='8' -sOutputFile=/tmp/output/image-%d.jpg /tmp/downloads/sample.pdf

You can see output like this :

and your output folders will list your images :

FYI - Params :
-dFirstPage and -dLastPage specifies page limits , which is optional
-sOutputFile [output file] [input file]

:)

How to add force quit option in ubutnu 12.04

Just got updated my ubuntu version to 12.04 , One of my favorite tool was missing there -Force Quit .
Followed these step and I restored it there in panel

1- create a file named 'Force_Quit.desktop' and contents should be like this

[Desktop Entry]
Name=Force Quit
Comment=Force Kill an Unresponsive Running Application or Window
Exec=xkill
Icon=gnome-panel-force-quit
Terminal=false
Type=Application
StartupNotify=true

2- Place it applications folder , you can open application folder directly using these command
    nautilus ~/.local/share/applications/
3- Drag and drop 'Force_Quit.desktop' file in to Unity launcher.

Thats it !

How to check if a controller exists using Zend Framework

Have you ever wondered how to check if a controller/action exist in zend FM from any side of app ? Here is the code

        $front = Zend_Controller_Front::getInstance();
        $dispatcher = $front->getDispatcher();

        $test = new Zend_Controller_Request_Http();
        $test->setParams(array(
            'action' => 'index',
            'controller' => 'content',

                )
        );

        if($dispatcher->isDispatchable($test)) {
            echo "yes-its a controller";
            //$this->_forward('about-us', 'content'); // Do whatever you want
        } else {
            echo "NO- its not a Controller";
        }