generally use sqoop-1.4.7.bin__hadoop-2.6.0.tar.gz as a compressed package so I would like to ask the master: where is sqoop-1.4.7.tar.gz commonly used? What scene? what s the difference between sqoop-1.4.7.bin__hadoop-2.6.0.tar.gz and sqoop-1.4...
1, the following code package gof.singleton; import java.util.HashSet; import java.util.Set; import java.util.concurrent.CountDownLatch; public class Singleton2 { private static Singleton2 singleton = new Singleton2(); private Si...
assume your current url: http: abc.com a b in Chrome, call the following valid document.cookie= abc=efg;path= a document.cookie= abc=efg;path= a b document.cookie= abc=efg;path= the following are not valid document.cook...
how to change its display value dynamically? for example, there is a button for the next day, the previous day, after clicking, you can dynamically change the display date ...
under PHP 5.6.37 ubuntu14.04.1, sometimes the request will report this error: PHP Startup: Unable to load dynamic library usr lib php 20131226 redis.so - usr lib php 20131226 redis.so: undefined symbol: igbinary_serialize,. ...
Jump method: _ this represents the component instance _this.router.navigate([ analysis examdetail ], { queryParams: _this.params }); in the new route: constructor(private route: ActivatedRoute, private mrequest: M...