丁月五香天线播放线路二

如今他用来给刘家做聘礼，要一对还原才好，少了一只不吉利。5-3 attacks 7-2 end up together, because the 5-3 monster has a higher health value, but the opponent's attack power exceeds the 5-3 health value (3 points), so 5-3 will be destroyed, on the other hand, 7-2 only has 2 blood, so the 5-attack monster will destroy him.This class can meet the basic requirements, but if we put a class like this without thread safety protection into a multi-threaded environment, there will definitely be problems. How to solve them? The first thing we think of is adding the synchronized keyword to the getInstance method, as follows:2. Continuous affirmation methodHe explained in detail how to fix the configuration problem with his server. In short, the problem stems from the assumption that BIND (a system that implements DNS protocol) disables recursion by default; The solution requires "instructing BIND to accept only recursive requests from servers in its data center. "Model