TREEWALKER LEARNING CENTER
A blog to learn about Apps, Barcode, RFID, POS, IOT, Beacons and much more.....Arrow functions in Javascript
In ECMAScript 2015 , also known as ES6 , many new features were introduced. One of the feature which get introduced was "Arrow Functions". /********* Traditional way *************/ var func1 = function old(x,y) { return x+y; } /************* New way...
read moreOptimize the performance of the website using Pagespeed
PageSpeed is a module developed by Google which helps to optimize the page speed of the website. You can install this module in Apache and NGINX server. Below I will detail you about the complete installation and options which can improved the performance of the...
read moreDifference between QR code and Data Matrix
QR code and Data Matrix are known as 2D barcodes. Data Matrix was developed by German inventor Klein Rolf Dieter and Rohde Ulrich in year 1989 and patented back in year 1992. QR code was developed in year 1994. Data Matrix was largely used by many organizations and...
read moreConfigure Magento with Redis
In the previous post "Install Redis on Amazon EC2 Server" we had seen the process to install Redis on the server. In this article we will see how to integarte the Redis with Magento1.x There are few php extension we need to install before we do integration with...
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Install Redis on Amazon Ec2 server
Few days back we have installed Redis in Amazon cloud server and integrating it with Magento. So I thought of sharing the process if it could help anyone. Before we move on installation we need to understand what is Redis. What is Redis ? Redis in-memory data...
read moreWhat is RFID
What is RFID? RFID stands for Radio Frequency Identification. It uses radio waves to identify any object which has unique identification no. which get transmitted when it comes in contact of the RFID antenna.The RFID reader then reads the data sent by RFID tag. Why...
read moreDisplay category in the product grid in magento
In this blog we are trying to override the product grid in magento admin to display the category name. To achieve that we have override the Mage_Adminhtml_Block_Catalog_Product_Grid class. We have created a module by name TW_Salesproduct. You can give name whatever...
read moreDisplay products and payment method in order grid in magento
Recently we were asked by the client to display the products name and payment method in order grid in magento. To achieve that we have override the Mage_Adminhtml_Block_Widget_Grid class. We have created a module by name TW_Salesproduct. You can give name whatever you...
read moreWhat is beacon?
Beacon is a device which transmits the data using Bluetooth Low Energy (BLE) technology. Any device which is Bluetooth enabled captures the data transmitted by the beacon with a certain proximity radius. It consumes less battery and detects the location of the device...
read moreMerging multiple excel files data in single master excel file
Few days back I was looking for merging the multiple excel file, located at some specific path, in single excel file. To achieve that I used the library “PHPExcel”. If you can download the git by clicking the below link Download PHPExcel To start with , you can...
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