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.

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/
Laravel 5
Laravel Error Fix: Laravel 5 InvalidArgumentException in FileViewFinder.php line 137: View [.admin] not found
December 6, 2017
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If you recently deployed you project to your production server or moved the project to another server, do not forget to clear the app cache by running these commands. php artisan cache:clear php artisan view:clear php artisan config:cache it should fix it. Also consider updating your .env file to match new environment variables.  
Certification PMP
PMP Terms Definition
November 13, 2017
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What is Organization Vision, Mission & Values: Organization Vision describes the desired future state of the organization. Organization Mission describes why the organization exist. Organization Values describes the ideals that bind the organization together, used to help guide decisions. Organization Project Management (OPM): Framework utilizing project, program, and portfolio management. Also link to organizational enablers. […]
Entrepreneur Fundamental
Lessons first-time startup founders can learn:
October 3, 2017
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Lessons first-time startup founders can learn:
What can be learnt from HBO’s Silicon Valley TV Serial: 1. Don’t sell immediately Lesson: Figure out your exit strategy from the get-go and set your goals. Did you build your startup to help people and change the world? Or do you just want to make money? Don’t immediately sell when you get your first […]
Coding IOS + Swift
IOS + Swift Code: Read Data from Remote Json File
September 6, 2017
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My JSON FILE: {"teams":[{ "id": "1", "clubName": "USJF", "isDeleted": "0" }, { "id": "2", "clubName": "Docume", "isDeleted": "0" }, { "id": 3, "clubName": "Chelsea", "isDeleted": 0 }, { "id": 4, "clubName": "Bercelona", "isDeleted": 0 }]} JSON FILE Screenshot: IOS CODE: // // ViewController.swift // HelloJson // // Created by Arifur Rahman Zerin on 9/5/17. // […]
Uncategorized
Protected: Neural Networks and Deep Learning – Week 2 – Quiz Answer
September 4, 2017
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There is no excerpt because this is a protected post.
Computer Learnings Neural Networks and Deep Learning
Protected: Neural Networks and Deep Learning – Week 1 – Quiz Answer
September 4, 2017
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There is no excerpt because this is a protected post.
Commands Linux CentOS Security Server
How To Check SHA 2/TLS 1.2 compatibility of your Linux server for Uninterrupted Communication
September 3, 2017
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Its been set that we must SHA 2/TLS 1.2 migrate by October 31st, 2017. This is how you can check by yourslef if your server is ready for the migration, review your LINUX server OS and see if it is running with OS that has TLSv1.2 support. I cheked my server OS & found RHEL […]
How To Programmer Security Server
Fixing Email Scrap in your XML API when you use CoudFlare
September 3, 2017
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Fixing Email Scrap in your XML API when you use CoudFlare
Recently I am using CloudFlare for one of my server. We give XML API support for one of our product. When any developer is trying to get their Order Details though our Shopping Cart API recently, somehow in the XML, all emails are scrapped.  Even I have found that, some additional javascript is added in […]