Databases are giant 'cabinets': Storing and retrieving memories with Rails When we first create a web service, there is one concept that is most confusing. "Where exactly is the information I enter...
The 3-step structure is not the end - the real power that creates the world lies in "repetition" and "assembly" Earlier, we said that most concepts in the world are made up of a 3-step structure (3...
Why database-table-record? Why does the world like '3 steps (3 depth)' like this? When learning programming, surprisingly, one keeps discovering the fact that the structure keeps dividing into 3 st...
We have just explained the database (DB) using metaphors such as library, memory, librarian, and network. Now, let's actually see it in action. Let's see how a web service stores information, how i...
When you first learn to code, everything is new and fascinating at first. Drawing stars is fascinating, and displaying the first page with Rails is almost thrilling. But once this feeling passes, a...
These days, people say. "AI codes so well... Now, why should people learn to code?" The pressure from these words feels very realistic, like a lie. Especially for those who start learning programmi...
A miraculous experience that can be completed in just 30 minutes, creating your own blog service— Creating a website can start so beautifully and quickly like this People who are learning programmi...
The day I first ran Rails, I changed from someone who wrote code to 'someone who creates the web' When learning programming, there is a thought that lingers in your head. "Someday... Will I be able...
Why Ruby: What Beginners Should Learn Before 'Language' People who are first exposed to coding always ask similar questions. "Why learn Ruby? Wouldn't it be better to learn Java, JavaScript, or Pyt...
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