DDDebanjan Dasinpixforge-image-upload.hashnode.dev·Apr 13 · 5 min readYour Image upload system is wrong !Most developers take the image upload system too easy while writing garbage code. Real Image upload system is far complex than they can actually imagine , in this blog post i gonna tell you the flaws 00
DDDebanjan Dasinsmtp-deba.hashnode.dev·Dec 6, 2025 · 5 min readSending Emails – How Is It Done Under the Hood?email or Electronic Mail is just like a sending letters through post office. For this article we will take a real life scenario for posting mails physically to the recipent. Real-life posting : Bob lives in Kolkata, pincode 700119, and his old friend...00
DDDebanjan Dasindocker-mongodb.hashnode.dev·Nov 12, 2025 · 2 min readRecently faced this authentication error in mongoDB connection using docker containerIn my projects i do use docker containers for the db as it is heavy to have databases in locally and it will hectic in long run so why not using docker containers. Docker containers made developers job much easier by the help of virtualization. So gr...00
DDDebanjan Dasinauthentication-chai-aur-code.hashnode.dev·Jun 7, 2025 · 2 min readAPI (Application Programming Interface)API is a set of protocols or rules to build and integrate application softwares. In simple words an API is like a contract between an information provider and information user establisher.It sets the format for the information or content required fro...00
DDDebanjan Dasinauthentication-chai-aur-code.hashnode.dev·May 30, 2025 · 2 min readTCP(Transport Control Protocol) handshakeIn networking TCP handshakes are very very important . Typically our web browser talks for use with the servers. when we type a url or a domain in the search engine then first DNS lookup is happend . What is DNS lookup? DNS lookup is the process wher...00
