今天无意中碰见了 case expressions must be constant expressions 的问题 写了一个 switch(item.getItemId()) { case R.id.action_settings: Toast.makeText(this ,"action_settings" ,Toast.LENGTH_LONG).show(); System.out.println("onOptionsItemSelected"); bre
报错日志: SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".SLF4J: Defaulting to no-operation (NOP) logger implementationSLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.[INFO] Scanning for projects...[
我在部署构件至 maven nexus 私服时,有时会出现 Failed to deploy artifacts: Failed to transfer file: ... Return code is: 4XX, ReasonPhrase: ... 类似这样的错误,那么这些错误是怎么产生,又如何解决呢?我在此将自己在部署过程中遇到的错误整理汇总一下,供大家参阅,希望对大家有所帮助. 一.错误的请求.Return code is: 400, ReasonPhrase: Bad Request.