Cloud Computing
1. Different ways of Data EncryptionA: a) Encrypting when data is at rest– Let’s suppose some data is in the database and is in encrypted form. Somebody wants to read …
AWS Solution Architect Associate – Exercise Questions – Part 1
Please comment on this page, if you need any explanation regarding these questions. Check correct answers in Bold & Italic font. 1. You have deployed a three-tier web application in …
Relational & Non-Relational Databases
Relational or SQL Databases These are also called SQL databases. These are used to store structured data. Relational Databases stores data in rows and columns. Relational Databases can be accessed …
Amazon CloudWatch & CloudTrail
Amazon CloudWatch It’s an Amazon web service that monitors the AWS resources and the applications you run on AWS in a particular region. It enables monitoring for EC2 and other …
Common mistakes using a few PHP functions
Common mistakes using a few PHP functions: empty() – commonly mistaken due to different results with different content. Most of the time it will not be necessary to use this …
Naming conventions – PHP
Here are the suggested naming conventions for Variables, Classes, Functions and Files. Naming Variables Use all lower case. Use _ to separate words, e.g. $green_color_value Use descriptive names (except loop …
Best coding Practices – PHP
Never put phpinfo() in the root directory Assignments in arrays may be aligned. When splitting array definitions onto several lines, the last value may also have a trailing comma. Never …
Node.js
How to enable v8 inspector for debugging and profiling? –inspect –inspect=<PORT NO> NodeJS is advised to be used for? Single Page Applications JSON APIs based Applications Data steaming applications Data …
Compile time & run time
Q1. Difference between Run time and compile time? A: To become an executable program, source code should be compiled into machine code. This compilation process is known as compile time. …
jQuery
Q: What is the difference between onload() and document.ready()? A: In a page, we can have only one onload function but we can have more than one document.ready function. Document.ready …
