Table: Post
Column | Type | Table Modifiers |
---|---|---|
id | integer | not null |
title | character varying | not null |
description | character varying | not null |
meta | character varying | not null |
dbClient := datastore.Client | |
database := dbClient.Database(datastore.DatabaseName) | |
collection := database.Collection("users") | |
user_count, _ := collection.FindOne( | |
context.Background(), | |
bson.D{}, | |
) | |
fmt.Println("Number of users", user_count) |
package db | |
import ( | |
"context" | |
"fmt" | |
"log" | |
"os" | |
"go.mongodb.org/mongo-driver/mongo" | |
"go.mongodb.org/mongo-driver/mongo/options" |
Table: Post
Column | Type | Table Modifiers |
---|---|---|
id | integer | not null |
title | character varying | not null |
description | character varying | not null |
meta | character varying | not null |
0xe6fcE3877BA7C73e6Acad9F77bDCF2E14A53245c |
#! /bin/bash | |
# Usage: | |
# sh add_cron.sh [key_file] [user] ip | |
key_file=$1 | |
username=$2 | |
ip=$3 | |
if [ $# -le 2 ]; then |
- Directories | |
- Files | |
- Inode | |
Each inode describes a data structure on the hard disk, storing the properties of a file. | |
Struct | |
- Owner, Group Owner of the file. | |
- File type | |
- Permissions |
## List all indexes | |
``` | |
SELECT i.relname as indname, | |
i.relowner as indowner, | |
idx.indrelid::regclass, | |
am.amname as indam, | |
idx.indkey, | |
ARRAY( | |
SELECT pg_get_indexdef(idx.indexrelid, k + 1, true) |
## Restoring with tar from a compressed archive. | |
### Test the command first with 't' argument | |
tar -ztvpf /archive/full-backup-02-March-2016.tar.gz | |
### Extract with 'x' argument | |
tar -zxvpf /archive/full-backup-02-March-2016.tar.gz |
# Money in INR(Indian Rupees) | |
def convert(no): | |
rev_no = no[::-1] | |
ans = '' | |
for index, char in enumerate(rev_no): | |
ans = char + ans | |
if index >= 2 and index % 2 == 0 and len(no) > index + 1: | |
ans = ',' + ans |
# Method 1 | |
fn main() { | |
for x in 1..101 { | |
match x { | |
x if x % 15 == 0 => println!("{} FizzBuzz", x), | |
x if x % 5 == 0 => println!("{} Buzz", x), | |
x if x % 3 == 0 => println!("{} Fizz", x), | |
_ => println!("{}", x), | |
} |