回答:按照sql标准来说 = null这种语法本来就是错误的,在oracle postgresql mssql等企业级数据库中这种语法根本就不支持。判断是否为null的标准sql规范是is null 和is not null。sql是个公共的数据库查询语言有他自己的标准。mysql postgresql mssql oracle等都不同程度的遵循不同的sql标准并且各自都又在自家产品中加入了他自己的特色...
问题描述:[hadoop@usdp01 ~]$ hbase shellSLF4J: Class path contains multiple SLF4J bindings.SLF4J: Found binding in [jar:file:/opt/usdp-srv/srv/udp/2.0.0.0/hdfs/share/hadoop/common/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]...
问题描述:2022-10-21 17:26:57`SEVERE`io.prometheus.jmx.shaded.io.prometheus.jmx.JmxCollector`io.prometheus.jmx.shaded.io.prometheus.jmx.JmxCollector collect`JMX scrape failed: java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.NoIni...
回答:已解决 mysql 启动失败导致。
...eduped │ └── util-deprecate@1.0.2 └── upath@1.1.2 npm ERR! missing: mkdirp@0.5.1, required by node-pre-gyp@0.10.3 npm ERR! missing: minimist@0.0.8, required by mkdirp@0.5.1 npm ERR! missing: mini...
...,打开工程属性,发现头部有黄色叹号(Build path entry is missing: org.eclipse.jdt.launching.JRE_CONTAINE...rg.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/openjdk-12),而 JRE 那里 写着 unbound,怎么办? 很简单,双击 那个 unbo...
problem: You will create a program that will find the missing letter from a string and return it. If there is no missing letter, the program should return undefined. There is currently no test case fo...
ChatGPT和Sora等AI大模型应用,将AI大模型和算力需求的热度不断带上新的台阶。哪里可以获得...
大模型的训练用4090是不合适的,但推理(inference/serving)用4090不能说合适,...
图示为GPU性能排行榜,我们可以看到所有GPU的原始相关性能图表。同时根据训练、推理能力由高到低做了...