Devender Yadav devender-yadav

Static code analysis for python application

Pylint

How to install

pip install pylint

How to run

Let us assume, initally mongo is using /data/db1 dbpath and then /data/db2

Start mongo `/data/db1`

sudo mongod --dbpath=/data/db1

Export data from mongo `/data/db1`

mongoexport --db test_db --collection collection1 --out tb_collection1_db1.json

Fetching data via JDBC using pyspark

https://spark.apache.org/docs/latest/sql-data-sources-jdbc.html

Database used - MySQL

Data used - academia.stackexchange.com.7z from https://archive.org/details/stackexchange

Data from multiple tables are there in academia.stackexchange.com folder. I used PostHistory.xml.

Spark:sparkles:

Unified analytics engine for large-scale data processing (mostly in-memory).

Table of Content

How to choose split by column?

Idea is to use a uniformly distributed numeric column. So, we should prefer primary key and then any numeric column and we should avoid using text column for splitting.

How to determine the number of Mappers?

We should consider:

Number of rows
Number of tasks that can be run in parallel in Hadoop

sudo -u gitlab-psql /opt/gitlab/embedded/bin/psql -h /var/opt/gitlab/postgresql/ gitlabhq_production

Sql query to fetch discussions

 SELECT n.id,
 mr.iid AS merge_request_iid,

cat /etc/apt/apt.conf.d/localproxy

Put this value:

Acquire::http::Proxy "http://IP:PORT";

	package com.dev.util.aws;

	import java.io.File;
	import java.io.IOException;
	import java.nio.ByteBuffer;
	import java.nio.file.Files;
	import java.util.ArrayList;
	import java.util.List;

	import com.amazonaws.auth.AWSCredentials;

	pragma solidity ^ 0.4 .24;

	// simple counter program
	contract Counter{

	address public admin;
	uint count;

	constructor() public{
	count = 0;

	pragma solidity ^ 0.4 .24;
	pragma experimental ABIEncoderV2;

	contract DecentGov {

	address public admin;

	uint public proposalSubmissionStart;

	uint public proposalSubmissionEnd;