摘要:
yum: # 安装scl源yum install centos-release-scl scl-utils-build # 列出可用scl源yum list all --enablerepo='centos-sclo-rh' yum list all --enablerepo='centos-scl 阅读全文
摘要:
异或1 奇偶数:十进制转二进制数逐个位数异或的值为零是奇数 private static void isOdd(int a) { int b = 0; String binStr = Integer.toBinaryString(a); for (int x = 0, len = binStr.le 阅读全文
摘要:
1,id>=的(子查询)形式实现 select * from test where id >= (select id from test limit 9000000,1)limit 0,100 2,使用join的形式; SELECT * FROM test a JOIN (SELECT id FRO 阅读全文