摘要：
String severName = "10.6.62.244";System.out.println(severName.split(".").length);//----0System.out.println(severName.split("\\.").length);//----4Strin... 阅读全文
摘要：
开着idea，死机了，关机重启。重启之后，重新打开idea报错java.lang.AssertionError:upexpected content storage modification。goole得到：If you cannot even open your project in Intell... 阅读全文