Software tenbagger
“Tenbagger” is a term coined by legendary investor Peter Lynch to describe stocks that provide tenfold value on the initial investment. As software engineers we make …
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Squashing ruby on rails database migrations
Why? There are several reasons why you’d want to squash the database migrations in your Ruby on Rails application:
In a long running project you may end up with hundreds of …
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Understanding a Postgres query plan
A query plan is a sequence of steps used by a database to access data. Being able to read a query plan is key to understanding the performance of an SQL query. While tuning a query …
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JPA Entity Relationships
In a relational database, the relationships between two tables are defined by foreign keys. Typically, one table has a column that contains the primary key of another table’s row. …
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