• Tech

    FreePik is Hacked

    One of the most popular stock graphics site FreePik is hacked. Hackers accessed email addresses and passwords of users. Although the passwords were saved in hashed format. Hashed format means the if your password was (for example) 123456, the password will be saved in encoded format with some algorithm. So…

  • Academia - Thesis

    Mastering LaTeX for Thesis Paper Writing

    I have started my Masters in Computer Science and Engineering this February having Data Science as the major. I was always curious about writing thesis papers and doing research in Machine Learning and Data Science. This opens up my opportunity of doing so after many years. In this series, (probably…

  • Certifications

    Facebook Blueprint Certification

    Facebook Blueprint certification is a popular certification program for digital marketeers by Facebook. Facebook itself design the course outline and exam questions. I took the exam on June 22nd, 2020. Thanks to Facebook Developer Circles team for sponsoring the exam cost for DevC Leads who completed the course materials on…

  • Data and AI

    Working with GIS / Spatial Data and PostgreSQL

    Intro to PostgreSQLPostgreSQL is an open-source object-relational database system. It usesSQL language to perform operations. PostgreSQL is known for safely storing data that is also and scale-able in the most complicated data workloads.PostgreSQL born in 1986 at the University of California at Berkeley.PostgreSQL built-in got many amazing features aimed to…

  • Academia - Coding - Data and AI

    Hands-on with MongoDB

    MongoDB is a popular database program. This is highly popular for cross-platform development. It doesn’t have any tables but stores data in a JSON like file system. Entries are called documents. Speciality about MongoDB is: in MongoDB you don’t need to create predefined table structures. You can add any kind…

  • Data and AI - বাংলা

    মেশিন লার্নিংঃ অ্যালগরিদম পারফর্মেন্স কম্পারিজন

    মেশিন লার্নিং এর ক্ষেত্রে একটি প্রবলেমকে একাধিক অ্যালগরিদম এর সাহায্যে সল্ভ করা যায়, এক্ষেত্রে মূল উদ্দেশ্য থাকে যে অ্যালগরিদম টির পারফর্মেন্স, টাইম কম্পেলক্সিটি, অ্যাকুরেসি তুলনা মূলক ভাল, সেটিকেই ব্যবহার ভাল হয়। একটি প্রবলেম এর মাধ্যমে এই ব্যাপারটি লক্ষ্য করলে আরও ভাল্ভাবে বুঝা যাবে, এর জন্য একটি সহজ প্রবলেম, যেটি হচ্ছে…