AWS Certification Exam : 9 Online Education providers which you can use

AWS Certification Exam : 9 Online Education providers which you can use

AWS certification exams are quite popular and in demand. AWS is an open cloud provider with largest market share.

Certification gives you  any benefits or not, is always a debatable topic. I am not going into that aspects of certifications, in my view, if you do not see any value in certifications, you can still use them as a benchmark of your own learning journey.

Amazon has multiple certification exams under four categories. These categories are Architecting, Developing, Operations and Specialties. …

9 things you need to know about Java 9

9 things you need to know about Java 9

Java 9 has been released in the market. It has lots of new improvements and additions. In this article, I am enlisting 9 things of this major release.

Java 9

  1. Introduction of Jshell

Now, java has joined the league of languages with a shell. Languages like python, ruby and R were having a handy shell in which we can evaluate our code on the fly. Now java has introduced Jshell using which we can eval our java code easily. The jshell tool provides an interactive command-line interface for evaluatin declarations statements and expressions of the java programming language.…

How to handle checkout when we are selling unique products?

How to handle checkout when we are selling unique products?

Checkout process for unique product has to be handled in different way than products which are available in quantities. Products with one quantity are unique product. Paintings, concert tickets, hotel rooms, flight tickets ( when you choose a specific seat) are unique products. Old household items are also unique items.

We have two types of process for processing any purchase. In first type, we can do cart based checkout where a user usually add more than one product to their cart.…

In defense of QA team: Who is responsible for errors in any software or website?

In defense of QA team: Who is responsible for errors in any software or website?

Consider this hypothetical situation.

Something very precious was in a building. Building was being guarded by a guard who was responsible for the safety of precious item. A thief using his intelligence and luck stole that precious item from building. At a later stage, thief was caught but he claims that only security guard can be prosecuted for theft, in fact he demands that his act should be rewarded as a skill.

What is your first reaction? Impressed with thief’s arguments?…

2 things you should never do as a programmer

2 things you should never do as a programmer

You will find lots of guides and articles on the internet about what you should do to be a good programmer. A lot has been written on what we should do to excel in any field.

In my view, its not only what we do which make us good in our profession. It mostly depends on what we should not do which make us excel at our work.

In this article I am making short list of two things which any programmer should not do.…

How to optimize all databases and tabels on mysql server?

How to optimize all databases and tabels on mysql server?

Optimization of database tables in mysql is a process which has to be carried out regularly to make your database in good health.

According to mysql manual,

OPTIMIZE TABLE should be used if you have deleted a large part of a table or if you have made many changes to a table with variable-length rows (tables that have VARCHAR, VARBINARY, BLOB, or TEXT columns). Deleted rows are maintained in a linked list and subsequent INSERT operations reuse old row positions. You can use OPTIMIZE TABLE to reclaim the unused space and to defragment the data file.

How to optimize Magento speed?

How to optimize Magento speed?

I came across this good collection of some good suggestions by Guido Jansen about Magento speed optimization. Most of  suggestion are not exclusive Magento, but totality it is good list to optimize any Magento or PHP based application.  As of he has not finished his target of listing 101 suggestions, but a must read for anyone who wants to optimize Magento speed.

 

http://www.gxjansen.com/101-ways-to-speed-up-your-magento-e-commerce-website/