wget -q https://www.postgresql.org/media/keys/ACCC4CF8.asc -O - |
sudo apt-key add -
sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/
`lsb_release -cs`-pgdg main" >> /etc/apt/sources.list.d/pgdg.list'
// Use Gists to store code you would like to remember later on | |
console.log(window); // log the "window" object to the console |
#include<iostream> | |
#include<conio.h> | |
using namespace std; | |
void tower(int, char[], char[], char[]); | |
void main() | |
{ | |
int N; |
<div class="row" style="background-color:#006699;"><br> | |
<div class="col-sm-6"></div> | |
<div class="col-sm-3"> | |
<div class="widget"> | |
<form class="form-search"> | |
<input class="form-control" type="text" placeholder="Search.."> | |
</form> | |
</div> | |
</div> | |
<div class="col-sm-1" ><ul class="social-network"> |
service mongod start | |
service mongod stop | |
service mongod restart | |
show dbs --->will show all database | |
use [database name]---->will use the db | |
db.dropDatabase() ---> will drop database of selected database or else test db is deleted |
def home(request): | |
from django.template import Context | |
from django.template import Template | |
from django.template.loader import render_to_string | |
x = '{% load custom_tags %} {% user_count %}' | |
prepare = {'tags':x} | |
x = render_to_string('home.html',context=prepare,request=request) | |
template = Template(x) | |
context = Context({}) | |
y = template.render(context) |
create table student( | |
rollno number(5), | |
nam varchar(50)); | |
create table audittrail( | |
rollldata number(5), | |
namedata varchar(50), | |
operationname varchar(60), |
create or replace Type Personobj as object( | |
fisrt_name varchar(20), | |
last_name varchar(20), | |
date_of_birth Date, | |
member function getAge return number | |
); | |
create or replace type body Personobj as | |
member function getAge return number is | |
begin |
--ROLLUP AND CUBE OPERATIONS | |
select department_id , sum(salary) | |
from employees group by department_id | |
order by department_id; | |
select department_id ,job_id, sum(salary) | |
from employees group by department_id,job_id | |
order by department_id; |
Hhello world , this is for the defense of the compiler project code for kids . |