文章浏览阅读340次。介绍在编译weston时,遇到错误egl: Undefined reference to `gbm_format_get_name' when linking with libEGL谷歌了一下也没有结果。后来发现libEGL.so隶属于mesa库文件,在github上查找https://gitlab.freedesktop.org/mesa/mesa.git发现在mesa的源......
1 子查询表结构如下需求查询用户分数大于其所在工作(job)分数的平均分的所有grade的属性,并且以id的升序排序SQL语句select t1.* from grade t1where score>(select avg(score) from grade t2where t1.job = t2.jobgroup by job)order by t1.id;注意的是where子句......
文章浏览阅读4.5k次。1、Exception in thread "main" java.lang.Exception: When running with master 'yarn' either HADOOP_CONF_DIR or YARN_CONF_DIR must be set in the environment. at org.apache.spark.deploy.SparkSubm..._spark报exception in thread "main" java.lang.ex......