Which function is used to lock a file in FoxPro DBMS?A.FLOCK( )B.RLOCK( )C.LOCK( )D.LOCK
Which function is used to lock a file in FoxPro DBMS?
A.FLOCK( )
B.RLOCK( )
C.LOCK( )
D.LOCK
相关考题:
synchronized和java.util.concurrent.locks.Lock的比较,描述正确的是() A.Lock不能完成synchronized所实现的所有功能B.synchronized会自动释放锁C.Lock一定要求程序员手工释放,并且必须在finally从句中释放D.Lock有比synchronized更精确的线程语义和更好的性能
symchronized和java.util.concurrent.locks.Lock的比较,描述正确的是() A.Lock不能完成symchronized所实现的所有功能。B.symchronized会自动释放锁。C.Lock一定要求程序员手工释放,并且必须在finally中释放。D.Lock比symchronized更精确的线程语义和更好的性能。
YoucreateaWebpagethatcontainsthefollowingcode.Youneedtoprovidethefollowingimplementation.EachtimetheAddFilebuttonisclicked,anewdivelementiscreated.ThenewdivelementisappendedaftertheotherfileuploaddivelementsandbeforetheAddFilespan.Eachnewelementhasauniqueidentifier.Whichcodesegmentshouldyouuse?()A.$(#AddFile).click(function(){varid=File+++lastId;varitem=$(.File:first).clone(true);$(input:file,item).attr({id:id,name:id});item.insertBefore(#AddFile);});B.$(#AddFile).click(function(){varid=File+++lastId;$(.File:first).clone(true).attr({id:id,name:id}).insertBefore(#AddFile);});C.$(#AddFile).click(function(){varid=File+++lastId;});D.$(#AddFile).click(function(){varid=File+++lastId;varitem=$(.File:first).clone(true);$(input:file,item).attr({id:id,name:id});item.insertAfter(input[type=file]);});
当小区出现Inconfig状态时,可采用哪些方法来解决() A.任意更改一个参数B.Restart该小区C.等待1小时D.Lock/Unlock小区的OM