Programmer Think

while Loop Syntax Format: Loop Initial Value;                   While {loop body;   Step statement;} Execution process: first judge the Boolean expression, when the Boolean expression is true, execute the loop body and step statement, and then judge the Boolean expression again after execut ...

Experiment purpose and requirements Objective: by designing a personal telephone number query system, we can further be familiar with the concept, basic knowledge and skills of some binary trees, and use the basic knowledge and skills to solve simple object-oriented programming problems. Realize fast query according to the information entered b ...

Note: the article comes from   Write-Ahead Log , the author works at Thoughtworks   Martin Fowler . This paper mainly writes "pre write log", a common technology in modern distributed database. Pre write log The persistence guarantee is provided by persisting each state change to the log in the form of command without ref ...