Category Archives: Web

Brackets – New Code Editor for Web Development – Worth a Try!

October 17, 2014 by Nidhi Rai · Leave a comment
brackets

I came across this code editor, Brackets, today morning as I was browsing AngularUI home page and saw the mention under IDE plugins. Brackets is an open-source code editor for the web built using web technologies, primarily Javascript. After spending sometime with it, I found it to be very interesting one. You may want to give it a try. One caution is that there are still some bugs out there. Following are some real cool features why you would love Brackets to start with: Code completion Inline editor Live Preview Language Support   Code Completion One cool feature with Bracket is code completion feature. I have not tested with different …

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Javascript – StapesJS Hello World with Code Example

October 10, 2014 by Nidhi Rai · Leave a comment
stapesjs

This article represents facts around what is StapesJS and why you would want to make a note of it or, in other words, get started with it. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos. Following are the key points described later in this article: What is StapesJS? Key Reasons Why You May Love StapesJS StapesJS Hello World – Code Example   What is StapesJS? A tiny Javascript framework, StapesJS provides simple and easy-to-understand-and-use building blocks that could be helpful in coding our web apps using libraries/frameworks such as JQuery, ReactJS, Zepto etc. I must say that I have …

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Trends – Top 5 Javascript Web Frameworks – Oct 2014

October 9, 2014 by Nidhi Rai · Leave a comment

This article represents top 5 Javascript frameworks for web apps as of this month, Octobar 2014. Please note that that I call them out as top 5 based on Google trends and that is it. To my amaze, I found meteorjs as a real cool one which I would try and post my opinion in future blogs. Please feel free to comment/suggest if I missed to mention one or more popular frameworks. Also, sorry for the typos.   Following are the top 5 frameworks: AngularJS ReactJS EmberJS MeteorJS KnockoutJS or BackboneJS   AngularJS One of my personal favorites, AngularJS is trending upward. Take a look at the plot below:   …

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Learn Javascript – OOPs Inheritance Concepts with Code Example

October 8, 2014 by Ajitesh Kumar · Leave a comment
inheritance

This article represents OOPs inheritance concepts in Javascript along with code examples. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos. Following are the key points described later in this article: What is Inheritance? Inheritance – Code Example What is Inheritance? As per Wikipedia page on Inheritance, In object-oriented programming (OOP), inheritance is when an object or class is based on another object or class, using the same implementation (inheriting from a class) or specifying implementation to maintain the same behavior (realizing an interface; inheriting behavior). As per Webopedia page on inheritance, In object-oriented programing (OOP) inheritance is a …

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Learn Javascript – OOPs Encapsulation with Code Examples

October 7, 2014 by Ajitesh Kumar · Leave a comment
encapsulation in javascript

This article represents one of the key OOPs concepts such as Encapsulation along with code examples. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos. Following are the key points described later in this article: Encapsulation – Basic Concepts Encapsulation – Code Examples   Encapsulation – Basic Concepts As per Wikipedia page, Encapsulation is the packing of data and functions into a single component….It allows selective hiding of properties and methods in an object… In OOPs based language, access specifier such as “public”, “private” and “protected” are used to specify the access properties of member variables and methods. Following …

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Learn Javascript – Classes & Objects with Code Examples

October 7, 2014 by Ajitesh Kumar · Leave a comment
classes_and_objects

This article represents OOPs concepts on classes and objects in Javascript along with code examples. In later articles, I shall also visit the topics of Inheritance and Encapsulation. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos. Following are some of the key points described later in this article: What are Classes? What are Objects? Code Examples – Classes & Objects   What are Classes? Class is a construct used in several object-oriented programming languages such as Java/C++ etc, primarily, to model real-world objects. For instance, company, vehicle, shape, car, circle etc. Unlike programming languages such as Java where …

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AngularJS – How to Use AngularJS with Legacy UI Code?

September 29, 2014 by Ajitesh Kumar · Leave a comment

This article represents tips on how to use AngularJS with legacy UI code which could present challenges such as those described later in this article. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos. Following are some of the key points described later in this article: Is it that easy to create Angular apps in Legacy UI? Can I use AngularJS with existing forms? Is it OK to use Angular with JQuery-based UIs? Browser compatibility, especially, for IE-sensitive applications   Is it that easy to create Angular apps with Legacy UI Code? Yes, it is! All you need to do is …

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Learn PHP – How to Write A Class in PHP

September 25, 2014 by Nidhi Rai · 1 Comment

This article represents some high-level concepts and a code example on how to write a PHP class and use it elsewhere. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos. Following are some of the key points described later in this article: Why write a PHP class? Key aspects of a PHP class A PHP class – Code Example Using PHP class in PHP files   Why Write a PHP Class? As a beginner, I have come across this common thing that PHP developers tend to write one or more functions in the PHP files/scripts. As a matter of …

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PHP – How to Install Apache 2.4 with PHP 5.6 on Windows

September 23, 2014 by Nidhi Rai · 5 Comments

This article represents instructions on what’s needed to be done to install Apache 2.4 with PHP 5.6 on Windows (64-bit). Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos. Following are the key steps/points described later in this article: Install Apache 2.4 Install PHP 5.6 Configure Apache 2.4 for PHP Configure PHP 5.6 Test Install Apache 2.4 This step looks to be obvious. However, after I am done with the entire installation, it looked to be a bit tricky especially when you got 64-bit Windows. If you go to website, http://httpd.apache.org, you are taken to download page for win32 …

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Authentication using One Time Password (OTP) technique – Part 1

September 22, 2014 by Ankesh Anupam · 5 Comments

This gallery contains 3 photos.

Why two factor authentication? With the increase in password theft, phishing attacks and other hacking techniques, the conventional text based user name and password based authentication seem to be insufficient because of the rapid rise of network level threats. The traditional way of just memorizing the password to validate one’s identity is not enough and web sites and applications are now expecting one to possess email Id or a smartphone to communicate with another short-lived randomized password, One Time Password (OTP), as one more factor to the authentication. Here we will discuss the approach to generate the OTP and use it for the two factor authentication technique. In the next …

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Template – HTML5 BoilerPlate with Spring MVC & GAE

September 21, 2014 by Ajitesh Kumar · Leave a comment

This article provides instructions on how to create your quick Google App Engine (GAE) based web application project using Eclipse IDE, based on Spring MVC and HTML5Boilerplate (or Initializr) HTML project templates. Note that this is my personal way to get started quickly with any GAE-based web projects within 5 minutes or so and upload the same on Google cloud. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos. Following are key points described later in this article: Create HTML template projects using Initializr Create Google App Engine/Spring MVC template project Create Google Web Application project & Import Files …

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Javascript – Why Use Modernizr?

September 18, 2014 by Nidhi Rai · Leave a comment

This article represents quick concepts and reasons on why one would like to use Modernizr, a Javascript library. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos. Following are the key points described later in this article: What is Modernizr? Why use Modernizr?   What is Modernizr? As per the Modernizr website, Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser. When I first read this punchline, I could not really figure out as to what is the purpose of this library, or simply speaking, what are some of the important use-cases given …

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AngularJS – Recommended Directory Structure for Angular Apps

September 16, 2014 by Ajitesh Kumar · Leave a comment

This article represents the recommended folder structure that you would want to create/adopt for your next Angular App. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos. Following are the key aspects of organizing your angularJS app files into the recommended folder structure described and displayed later in this article: Identify key Angularjs elements (files/folders):Following are key elements of AngularJS that need to be stored in form of files within different folders: Core Module: Core module representing the Angular app Components:Components such as following that are used in the core module: Services Filters Directives Important point to note is …

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Java – Top 5 Exception Handling Coding Practices to Avoid

September 15, 2014 by Ajitesh Kumar · Leave a comment
exception handling coding practices

This article represents top 5 coding practices related with Java exception handling that you may want to watch out for or better say, avoid, while doing coding for exception handling. Recently, I have been involved with code review of multiple Java projects and found following as most commonly seen coding instances across various Java projects. As a matter of fact, I recently ran sonar code analysis on Spring Core project (Spring Framework) and found the below mentioned instances related with exception handling. Please note that these are suggested to be avoided as a general coding practice and do not mean that they can not be used at all. There are …

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AngularJS – 10 Best Practices to Create Custom Directives

September 14, 2014 by Ajitesh Kumar · Leave a comment
best_practices_angularjs_directives

This article represents top 10 best practices that one may want to apply while creating custom directives. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos. Following is listed the best practices for creating custom directives: Naming Convention: Prefer using two or three letter prefix (except ng) while naming directives to avoid collision with future HTML releases. Using “ng” as prefix might collide with AngularJS OOTB directives in future. Directive Definition Object (DDO): Prefer returning DDO rather than a function. TemplateUrl Usage: Prefer storing HTML template code in a seperate file and assign the path to templateUrl variable. Attribute …

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AngularJS – Non-nested Directive-to-Directive Communication – Code Example

September 13, 2014 by Ajitesh Kumar · Leave a comment
non nested directives communication

This article presents concepts and code example around non-nested directives-to-directives communication in AngularJS. The demo for the code example presented later in this article can be accessed on this page, Demo – Non-nested Directives-to-Directives Communication. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos.   Following are the key points described later in this article: What is Directive-to-Directive Communication? Service Helps Directives Communicate Code Example – Non-nested Directives Communication   What is Directive-to-Directive Communication? When the change in one or more attributes of one directive need to trigger one or more events in other directives resulting in updating of their …

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