Browser rendering principles are explained using a construction site analogy, and everything from DOM/CSSOM creation to the difference between reflow/repaint is covered from a performance optimization perspective.
The principles of networks and HTTP are explained using packet and logistics delivery analogies, and the differences between TCP and UDP are covered, as well as the reality of HTTP as confirmed by Python socket code.
The concept of context switching and the hidden costs (overhead) of multitasking are explained with Spring Boot server tuning examples and code, and the importance of the appropriate number of threads is analyzed.
The difference between ‘processes and threads’ is explained using a digital fulfillment center analogy and Java code, and we analyze the pros and cons of multi-process/multi-thread along with concurrency issues (Race Conditions) that arise in real-world practice.
