competitive programming and imp Topics

  Collections And Packages lambda in java java_tricks_for_cp ------------------------------------------------

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Edit mode on like doc in website: //in console document . body . contentEditable = true document . designMode = 'on' change color in cmd: -- see color list help color -- set color. e.g. set green color color 2   show cmd history command, and choose from that which you want: press F7 Unable to change system variable path in Windows 10 as an Admin When you search with "Environment Variable" you will get two result "Environment Variable for your account" - This will only allow you to change "user variable". system variable will be disabled. "Edit the system environment variable" - With this option you can change both (user & system variables). But once you click this link, you will get a popup where you need to click on "Environment Variables".' -------------

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  https://selfstudycp.blogspot.com/2021/09/sql-interview-questions.html                                 -:  Summary :- SQL > select sysdate , systimestamp from dual; SYSDATE   SYSTIMESTAMP --------- --------------------------------------------------------------------------- 24 - NOV - 21 24 - NOV - 21 03 . 11.45 . 205000 PM + 05 : 30 convert Month no to Month Name: SQL > select TO_CHAR ( TO_DATE ( 2 , 'MM' ) , 'MONTH' )  from dual; TO_CHAR ( TO_DATE ( 2 , 'MM' ) , 'MONTH' ) ------------------------------------ FEBRUARY DDL(Data Defintion Language): create,Alter,Truncate,Rename,Drop,FlashBack,Purge,Comment Create:  CREATE TABLE emp ( empNo Number ( 5 ),Ename varchar2 ( 20 ),Date_Of_Birth Date ,Sal Number ( 7 , 2 ) );             create table using existing tables (with data):       create table...