Hello. My name is A.R. ZERIN. I am a Software Engineer and an Entrepreneur from Dhaka, Bangladesh .
Programming is my passion. Life is beautiful, so I am trying hard to enjoy it.
I have completed my Undergraduate Degree in Computer Science & Engineering at 2004 and working in the era of IT for last 10 years dedicatedly.
I believe that, he who aims at the sky, shoot higher much than he who aims at a tree.
I am a big fan of  Steve Jobs, Elon Musk.

Certification PMP
Interpersonal Skills List and Examples
January 11, 2018
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Active Listening Behavioral Caring Collaboration Comforting Communication Conflict Management Conflict Resolution Consulting Constructive Criticism Counseling Creative Thinking Customer Service Developing Rapport Diplomacy Diversity Empathy Encouraging Flexibility Group Facilitating Helping Others Humor Inquiry Inspiring Trust Instructing Interviewing Leadership Life Skills Listening Mediating Mentoring Motivation Negotiating Networking Nonverbal Communication Patience Persuasive Positive Reinforcement Problem Solving Public Speaking […]
Algorithm Dictionary php Programmer Programming Security
Steganography
January 11, 2018
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Images have been used to hide secret messages using a process called Steganography. Have you ever watched a spy movie where the operative goes to a profile and using the picture there, extracts a secret message? This is called steganography, concealing information inside something else. While there are many ways to accomplish this, one of […]
New Phrases
Mental Models – by defmacro
January 9, 2018
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These are some mental models I find useful. They’re rooted in decades of experience of thousands of experts – a modern equivalent of folk wisdom. Mental models are useful to quickly and correctly reason about seemingly intractable problems. They require quite a bit of intuition to properly internalize, but once you’ve internalized them they’re relatively […]
How To Java Programming Uncategorized
How to Code Signing to Your Java Project
January 9, 2018
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Recently I was developing an App using Java that will be launched from Website Directly using JNI Technique. I have created a Jar file. But problem is your Jar File will be not leaded or run if the Jar File is not signed with any Code Signing Certificate.   You must generate the CSR from […]
Entrepreneur Life Motivational Rules
8 Secret of Success
January 9, 2018
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How’s that for small talk! Although Richard was unable to give the girl a definitive answer in the moment, this single conversation led Richard down a path of discovery as he interviewed over 500 successful people to find out the 8 most common traits that they have in common. Passion: You need to be passionate […]
Business Dictionary Dictionary Word Of The Day
Frugal Innovation - Engineering - Word of the Day
January 9, 2018
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Frugal innovation or frugal engineering is the process of reducing the complexity and cost of a good and its production. Usually this refers to removing nonessential features from a durable good, such as a car or phone, in order to sell it in developing countries. Designing products for such countries may also call for an […]
Commands Linux CentOS
Nodejs Service Run on Server Reboot in Linux CentOS
January 2, 2018
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My nodejs software is installed in /root/soccer/public_html/ folder. I have a .sh script that start the service of nodejs, the .sh script name: node_auto.sh which file content is as follows: ################################### #!/bin/bash # My first script echo “Expost node Path ” export NODE_PATH=”/usr/local/lib/node_modules/npm/node_modules” echo “Start ProGateway servere” forever start app.js forever list ########################### Linux Command […]
Uncategorized
Effective Engineer Guide
December 29, 2017
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Uncategorized
Stripe Payment Gateway Error – Process Payment Unsafely – Settings Fixing
December 20, 2017
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If you integrate Stripe Payment Gateway in 3rd party shopping cart & faced the problem that transaction was not happening properly & have received the following error message: ######################################################################################################################## Failed (1326035). Reason: Sending credit card numbers directly to the Stripe API is generally unsafe. To continue processing use Stripe.js, the Stripe mobile bindings, or Stripe Elements. […]
PMP
Elaboration of the Processes Flow of the PMBOK® Guide 5th Edition by Ricardo Vargas
December 13, 2017
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Elaboration of the Processes Flow of the PMBOK® Guide 5th Edition  by Ricardo Vargas
Very well presentation of PMP processes in sequences Credit goes to: Ricardo Vargas. Process showing in the video can be downloaded from http://www.ricardo-vargas.com/pmbok5-processes-flow/