pinnacle surveyors

Year Six: As a 2B engineer, gradually began to do a job, in 09 years to write less code, do some of the release, resource coordination, relationship processing, Shang and other things, completed a p to M transformation (in another sense: this code farm waste). But after doing m, only to know that management is really an art, especially when the management of a group of girls, is at the pinnacle of the art hall. At that time from a warrior to hear a t

investors, embarked on the pinnacle of life.2.Spring Boot Birth Now that spring is so good, why is spring Boot? As spring grows more and more hot, spring slowly from a small and fine framework into a broad chatty framework, on the other hand with the development of new technologies, such as the rise of Nodejs, Golang, Ruby, let Spring gradually look cumbersome, A large number of tedious XML configurations and third-party consolidation configurations

, to achieve simultaneous read and write. Different isolation levels do not have the same locking policy in the database: Read Uncommitted -read does not need to lock, write only need to add a row of locks VCC The scenario for transaction reads is optimized. The database holds multiple versions of the record, and other read-only transactions/non-transactional reads can access the previous version of the record directly when the update occurs, without waiting for the lock. There is always a