---
title: "Blogs by Rohit Kumar"
description: "Read BigBinary blog posts by Rohit Kumar."
canonical_url: "https://www.bigbinary.com/blog/authors/rkr090"
markdown_url: "https://www.bigbinary.com/blog/authors/rkr090.md"
---

# Blogs by Rohit Kumar

Read BigBinary blog posts by Rohit Kumar.

## Posts

### Debug failing puppeteer tests due to background tab

[Debug failing puppeteer tests due to background tab](https://www.bigbinary.com/blog/debugging-failing-tests-in-background-tab-in-puppeteer)

- Author: Rohit Kumar
- Published: August 15, 2018
- Categories: Misc

Debugging failing tests in puppeteer because of background tab

### Generating filmstrip using puppeteer for better debugging

[Generating filmstrip using puppeteer for better debugging](https://www.bigbinary.com/blog/generating-filmstrip-using-puppeteer-for-better-debugging)

- Author: Rohit Kumar
- Published: May 24, 2018
- Categories: Misc

Generating filmstrip using puppeteer for better debugging

### Practical usage of identity function

[Practical usage of identity function](https://www.bigbinary.com/blog/practical-usage-of-identity-function)

- Author: Rohit Kumar
- Published: March 20, 2018
- Categories: Misc

Practical usage of identity function

### Ruby 2.4 Integer#digits extract digits in place-value

[Ruby 2.4 Integer#digits extract digits in place-value](https://www.bigbinary.com/blog/ruby-2-4-implements-integer-digits-for-extracting-digits-in-place-value-notation)

- Author: Rohit Kumar
- Published: February 23, 2017
- Categories: Ruby 2.4, Ruby

Ruby 2.4 implements Integer#digits for extracting digits in place-value notation
which is useful in calculating checksum digits.

### Ruby 2.4 MatchData#values_at

[Ruby 2.4 MatchData#values_at](https://www.bigbinary.com/blog/ruby-2.4-adds-matchdata-values-at-for-extracting-named-and-positional-capture-groups)

- Author: Rohit Kumar
- Published: December 21, 2016
- Categories: Ruby 2.4, Ruby

Ruby 2.4 adds ability to extract named capture groups through values_at

### Ruby 2.4 implements Array#min and Array#max

[Ruby 2.4 implements Array#min and Array#max](https://www.bigbinary.com/blog/ruby-2-4-implements-array-min-and-max)

- Author: Rohit Kumar
- Published: November 17, 2016
- Categories: Ruby 2.4, Ruby

Ruby 2.4 implements Array#min and Array#max to find the minimum and maximum
value of the array

### Hunting down a memory leak in shoryuken

[Hunting down a memory leak in shoryuken](https://www.bigbinary.com/blog/hunting-down-a-memory-leak-in-shoryuken)

- Author: Rohit Kumar
- Published: November 15, 2016
- Categories: Ruby

Hunting down a memory leak in shoryuken worker

### Ruby 2.4 Extracting captured data from Regexp results

[Ruby 2.4 Extracting captured data from Regexp results](https://www.bigbinary.com/blog/ruby-2-4-adds-better-support-for-extracting-captured-data-from-regexp-match-results)

- Author: Rohit Kumar
- Published: November 10, 2016
- Categories: Ruby 2.4, Ruby

Ruby 2.4 adds support for extracting named captures and positional capture
groups from Regexp match results

### Ruby 2.4 Regexp#match? not polluting global variables

[Ruby 2.4 Regexp#match? not polluting global variables](https://www.bigbinary.com/blog/ruby-2-4-implements-regexp-match-without-polluting-global-variables)

- Author: Rohit Kumar
- Published: November 4, 2016
- Categories: Ruby 2.4, Ruby

Ruby 2.4 now allows matching a regex without updating global variables using
Regexp#match?. This is a faster option to match regexes when we don't care about
the match data

### Migrating Rails app from postgresql to sql server

[Migrating Rails app from postgresql to sql server](https://www.bigbinary.com/blog/migrating-from-postgresql-to-sqlserver)

- Author: Rohit Kumar
- Published: October 13, 2015
- Categories: Rails

Migrating rails app from postgresql to sql server

## Links

- [Human page](https://www.bigbinary.com/blog/authors/rkr090)
