How can we determine whether a variable is set?

519

I am using singleton pattern and found that two objects are created , how is it possible?

304

How do you check if a string is lexicographically in java?

494

What is the advantage of varchar2 over char?

788

How is character variable converted into numeric variable and vice versa?

582

why the backwheel of tractor is bigger than frontwheel?

1567

Are you planning to continue your studies and training at Wegmans Food Markets?

671

Can you set the session out time manually?

370

Please enumerate the various components of the Spark Ecosystem.

240

how to set the startup position of the form?

1507

You have a video transcoding application. The videos are processed consistent with a queue. If the process of a video interrupts in one instance, it resumes in another instance. Presently there’s a large backlog of videos that must process, for this, you wish to feature a lot of instances. However, you would like these instances solely until your backlog reduce. That of those would be an economical way to do it?

118

Explain capacitance, inductance, resistance.

614

what is transient voltage?

1785

hi, they have given 2 tables to write quries in SQL SERVER 2000 based on table as follows . 1st table :author: COLUMNS AS FOLLOWS pk. AUTHOR F_NAME DOB NATIONALITY 2ND TABLE BOOKS: COLUMNS AS FOLLOWS; PK ISDN F.K AUTHOR LANGUAGE PUBLISH_DATE; 1) RETRIVE author who is indian and hindi write in a) as joins b) sub quries 2)retrive who is younger author ; 3)retrive author who wrote more than one book in different language. 4)retrive author who has wrote in different language in each year write all queries in sql for sql server

1795

Mention what is the function that is used to transfer a pl/sql table log to a database table?

477