Dr Milan Milanović (@milan_milanovic)

𝗧𝗼𝗽 𝗦𝘁𝗿𝗮𝘁𝗲𝗴𝗶𝗲𝘀 𝘁𝗼 𝗜𝗺𝗽𝗿𝗼𝘃𝗲 𝗔𝗣𝗜 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝟭. 𝗖𝗮𝗰𝗵𝗶𝗻𝗴 A cache hit never touches the database. On a miss, you query the DB and write to cache so the next caller doesn't pay the same cost. The part that engineers usually get wrong is invalidation. TTL is easy to implement and will absolutely serve ...

𝗜𝘀 𝘁𝗵𝗲 𝗷𝗼𝗯 𝗺𝗮𝗿𝗸𝗲𝘁 𝗳𝗼𝗿 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗴𝗲𝘁𝘁𝗶𝗻𝗴 𝗲𝘃𝗲𝗻 𝘄𝗼𝗿𝘀𝗲? Software engineering jobs were heaven for a few decades. Until Corona, if you're an engineer, recruiters would bombard you with offers. Yet, everything changed overnight. According to Vice, based on a December survey conducted by Blind o...

𝗠𝗼𝗱𝗲𝗿𝗻 𝗔𝗣𝗜 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗮𝗹 𝗦𝘁𝘆𝗹𝗲𝘀 Architectures for APIs have evolved along with how we use technology. The API market is now growing, necessitating the development of new API architectural styles that address scenarios other than client/server. Yet, we may steer our API style in a more unified direc...

𝗛𝗼𝘄 𝗚𝗜𝗧 𝗪𝗼𝗿𝗸𝘀 Git is a distributed version control tool that facilitates monitoring changes made to your code over time. Git makes it simple to track changes to your codebase and collaborate on projects with others. It was authored by Linus Torvalds in 2005 for developing the 𝗟𝗶𝗻𝘂𝘅 𝗸𝗲𝗿𝗻𝗲𝗹, with oth...

𝗟𝗼𝗮𝗱-𝗯𝗮𝗹𝗮𝗻𝗰𝗶𝗻𝗴 𝗼𝗽𝘁𝗶𝗼𝗻𝘀 𝗶𝗻 𝗔𝘇𝘂𝗿𝗲 Distributing workloads among various computing resources is known as load balancing. 𝗧𝗵𝗲 𝗴𝗼𝗮𝗹𝘀 𝗼𝗳 𝗹𝗼𝗮𝗱 𝗯𝗮𝗹𝗮𝗻𝗰𝗶𝗻𝗴 𝗮𝗿𝗲 𝘁𝗼 𝗺𝗮𝘅𝗶𝗺𝗶𝘇𝗲 𝘁𝗵𝗿𝗼𝘂𝗴𝗵𝗽𝘂𝘁, 𝗱𝗲𝗰𝗿𝗲𝗮𝘀𝗲 𝗿𝗲𝗮𝗰𝘁𝗶𝗼𝗻 𝘁𝗶𝗺𝗲, 𝗮𝗻𝗱 𝗽𝗿𝗲𝘃𝗲𝗻𝘁 𝗼𝘃𝗲𝗿𝗹𝗼𝗮𝗱𝗶𝗻𝗴 𝗼𝗳 𝗮𝗻𝘆 𝗽𝗮𝗿𝘁𝗶𝗰𝘂𝗹𝗮𝗿 𝗿𝗲𝘀𝗼𝘂𝗿𝗰𝗲. Distributing a task among redundant computing reso...

𝗛𝗼𝘄 𝗱𝗼𝗲𝘀 𝗦𝗶𝗻𝗴𝗹𝗲 𝗦𝗶𝗴𝗻-𝗢𝗻 (𝗦𝗦𝗢) 𝘄𝗼𝗿𝗸? Single sign-on (SSO) is an authentication process that allows a user to access multiple applications with a single login. This is accomplished using a central authentication server that stores the user's credentials and verifies them for each application. Here a...