mysql建表时报Index column size too large. The maximum column size is 767 bytes.解决办法:在建表语句的后面加入:ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 ROW_FORMAT=DYNAMIC; 示例: CREATE TABLE QRTZ_JOB_DETAILS ( SCHED_NAME VARCHAR(120) NOT NULL, JOB_NAME VARCHAR(200) NOT NULL,…
给物体加了个trail renderer,使用了Legacy Shaders/Transparent/Diffuse,并将颜色调成白色半透明.在编辑器里效果是对的,但在ios上真机测试变成黑色的.然后看TrailRenderer的文档(http://docs.unity3d.com/Manual/class-TrailRenderer.html),里面写道: Trail Renderers should use a material that has a Particle Shader. 于是改…
启动失败一 ERROR: [2] bootstrap checks failed [1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536] [2]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144] 永久解决: #修改文件…