Tutorials

AWS Developer Certification – Exam Tips

AWS, Tutorials
AWS provides certifications in 3 major categories called Developer certification, Sysops/devops certification and  solutions architect certifications. Each category has Associate and Professional level certifications, like AWS developer certification assoicate and AWS developer certification professional etc. For any professional certifications, relevant associate certification is mandatory to complete. We are going to see the complete details which you need to know about AWS developer certification and exam tips in this post. AWS Official link for AWS Developer Certification AWS Certified Developer–Associate (DVA-C01) Examination Guide   AWS Developer Certification - Topics: IAM (Identity Access Management) Users, Groups, Roles and Policies are part of IAM.

Generate angular + Java code using yeoman & Jhipster

Angular, Articles, Java, Tutorials
Generate angular + Java code using yeoman & Jhipster Ensure you have installed yeoman (yo when dealing with npm and yarn) and jhipster (generator-jhipster when dealing with npm and yarn). If not installed, have a quick look at,     Step 1: Run yo jhipster     It will ask around 10 to 15 questions, you can provide the sample values as per the above screenshot and proceed to step 2:   Step 2: Angular 5 & Java Codes are generated   Yeoman generating the java source code:     yeoman generating the angular source code:     Both client (angular 5 - as on march 1st ) and server applications are successfully generated.     Step 3: Run mvnw to run the server application I ran mvnw (in...

How to install some npm packages in local / for dev only ?

Tutorials
How to install some npm packages in local / for dev only ? Sometimes we may need to install some tools/servers only for development purposes, and we dont want that to move to production or our live servers. So while installing itself if we mention that --save-dev then it will not be generated in our production build and will not be moved to production.   Also prefer to install these tools/components without -g to stop installing that globally and making sure to install where ever we need or whichever project requires installing only in that projects.     Example commands:   npm install lite-server - This command installs lite-server npm install lite-server -g - This command installs lite-server globally. npm install lite-server --save-dev ...

Autocomplete using Angular 4/5/6 with Bootstrap 4

Angular, Frameworks, Tutorials
Autocomplete using AngularJS 2 with Bootstrap 4: Autocomplete is a functionality that completes words/phrases/strings without the need to type them in full. It predicts the remaining strings/words/phrases/characters based on the input or the word has been typed so far. If you are looking autocomplete functionality using jQuery then check in the below link, http://www.ngdeveloper.com/autocomplete-using-jquery-php-and-mysql/ This post explains autocomplete using angularjs 2 in bootstrap 4. Combining md-* components with bootstrap will create some alignment and UI issues. But I have done my best to provide best responsive header autocomplete search using angularjs 2 with bootstrap 4.   Autocomplete using AngularJS 2 with Bootstrap 4 - Demo:     AngularJS 2...
How to find the installed applications in Ubuntu ?

How to find the installed applications in Ubuntu ?

Tutorials
How to find the installed applications in Ubuntu ? If you are new to Ubuntu then you may be facing lot of difficulties to work with Ubuntu. If you have already worked in windows 7/any windows platform, then understanding and working with Ubuntu platform need really some patience. I recently started working with Ubuntu to understand the Linux platform. I really liked the system very much, but many small things like "Finding the installed application in Ubuntu" and "working with paint/screenshot capturing" are making me to spend more time to install/work/understand it. I just want to do a small painting in Ubuntu, but the default provided paint application "gnome-paint editor" is not really looking good both in user interface wise and features wise, so browsed and concluded like "Pinta" ...
How to take screenshots in Ubuntu 14.04 ?

How to take screenshots in Ubuntu 14.04 ?

Tutorials
How to take screenshots in Ubuntu 14.04 ? By default gnome is provided in ubuntu 14.04, but personally I could not find that tool as a good tool for all our needs in the screenshot captures. So I came across a tool named "Shutter", this I feel as one of the best tool in ubuntu for screenshot feature.   Learn how to install shutter and make a default one in ubuntu 14.04 ?   Now you have done setting up shutter in your machine. Let's start working with shutter.   Before starting just see the keyboard shortcuts for screenshot capturing,   1. To take a screenshot of full screen:   press PrtScr   2. To take a screenshot of active/current screen: Press Alt+PrtScr   3. To take a screenshot of a particular portion/area of a ...
Responsive data table using dataTables.js

Responsive data table using dataTables.js

Jquery, Tutorials
Responsive data table using dataTables.js: We can not see a single web application without a data table. Data table is used somewhere in all the applications to store transactions, user informations, product informations etc.,   Nowadays only data table is not enough to fulfill all user needs, so datatables.js came up with sorting, searching, pagination and responsive to support all kind of devices. It's just a single js file which covers sorting, searching, pagination and responsiveness for a data table.   Requirements & Imports: 1. jQuery <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script> 2. Bootstrap (for page responsiveness) <script src="http://getbootstrap.com/dist/js/bootstrap.min.js"></scrip...
Dynamic Content rendering on radio selection

Dynamic Content rendering on radio selection

Jquery, Tutorials
Dynamic Content rendering on radio selection Almost 82% of the sites are dynamic now. Static websites are started changing/converting to dynamic websites for easy maintenance and better user interactivity. Shopping websites/social network websites are loading their content dynamically on-demand to maintain their performance. Similar way we are going to see how to render the contents dynamically on change of radio selections.   Requirements & Imports: 1. jQuery: <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>   2. Bootstrap [CSS & JS] - include only if you need it to be responsive. <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css" rel="stylesheet"> <script s
Rust Programming Language Tutorials and Example

Rust Programming Language Tutorials and Example

Tutorials
Rust: Rust is an expression-based programming language developed by Mozilla. Why one more programming language ? When mozilla planned for rust browser, it tried to use the C++ but eventhough C++ is historically been a great language, if you put a security in front, then we can not proceed with C++. So Mozilla planned for rust programming language with better security and great speed. .rs is the extension used for the rust files.   Rust Installation: You can download the Rust Installation packages here.   Command to compile and execute Rust Program: compile: rustc file_name.rs Run: file_name file_name.rs Hello World Program: hello.rs [plain] // fn means function and compiler begins its execution always from main() fn main() { println!("Hello, wor...

AsyncTask with Broadcast Receiver in Android – Tutorial and Example

Tutorials
AsyncTask with Broadcast Receiver in Android: What we are going to do ? We are going to see an example for AsyncTask in Android with Broadcastreceiver. In our example we will be fetching the operator and circle information for the received new SMS sender phone number. What is AsyncTask & BroadcastReceiver? AsyncTask: [sociallocker] AsyncTask is basically to do a aynchronous jobs in android, which is nothing but the background processes. We can use AsynCTask to call URL's, to fetch some details from internet and any business logics which needs some URL to be called/some details need to be sent to any URL's. BroadCast Receiver: Broadcast receiver is basically to observe the incoming requests such as messages/bluetooth requests etc. If we want any business logics on