qmaruf

// pass by ref example

#include <iostream>
using namespace std;

/*
	store memory address using pointer type variable.
	int* x : x is a variable to store memory address
	of another variable.
	*x : use this syntax to access value from memory address.

qmaruf

#create db
create(a{n:"a"}),(b{n:"b"}),(c{n:"c"}),(d{n:"d"}),(e{n:"e"}),
a-[:parent_of]->b,
a-[:parent_of]->c,
b-[:parent_of]->d,
d-[:parent_of]->e,
e-[:parent_of]->c,
d-[:parent_of]->c;

#do query

qmaruf

START n=node(*) 
WHERE has (n.name) 
and n.name="Google" 
RETURN n

qmaruf

#count node
START n=node(*) 
RETURN count(n) 

#count relationship
START r=relationship(*)
RETURN count(r)

qmaruf

#get all nodes
START n=node(*)
RETURN n;
 
 
#delete all nodes
MATCH (n)
OPTIONAL MATCH (n)-[r]-()
DELETE n,r

qmaruf

#create db
create(a{n:"a"}),(b{n:"b"}),(c{n:"c"}),(d{n:"d"}),(e{n:"e"}),
a-[:parent_of]->b,
a-[:parent_of]->c,
b-[:parent_of]->d,
d-[:parent_of]->e,
e-[:parent_of]->c,
d-[:parent_of]->c;
 
#do query

qmaruf

#nodes.csv
Node	Rels	Property
0	4	TEST
1	0	TEST
2	1	TEST
3	1	TEST

#rels.csv
Start	Ende	Type	Property
0	3	FIVE	Property

qmaruf

maruf@leopard:~/Desktop/bi/batch-import$ java -server -Xmx4G -jar target/batch-import-jar-with-dependencies.jar target/db nodes.csv rels.csv 
Usage: Importer data/dir nodes.csv relationships.csv [node_index node-index-name fulltext|exact nodes_index.csv rel_index rel-index-name fulltext|exact rels_index.csv ....]
Using: Importer target/db nodes.csv rels.csv

Using Existing Configuration File

Importing 4 Nodes took 0 seconds 

Importing 4 Relationships took 0 seconds 

qmaruf

pip install --user package-name

qmaruf

im1 = imread(file1);
im2 = imread(file2);
imshow(im1);
figure, imshow(im2);