Leonid Shevtsov

Leonid Shevtsov has asked 22 questions and find answers to 45 problems.

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About

Ruby, Javascript, React, React Native, Golang, Elixir, Clojure developer.

Personal site: https://leonid.shevtsov.me

Github: https://github.com/leonid-shevtsov

Leonid Shevtsov questions

How to get a user's PayPal account using the PayPal API?
How to dump a database using mysql (no mysqldump on server)
What's the best way to run a Linux virtual server in Windows 7?
Code coverage tools for haml?
Is there a function like String#scan, but returning array of MatchDatas?
Are there any solutions for translating measurement units on Rails?
Clojure - how to make def forms evaluate at run time instead of compile time
Exact opposite to Ruby's CGI.parse method?
How can I avoid putting the magic encoding comment on top of every UTF-8 file in Ruby 1.9?
Is there a way to make Rails ActiveRecord attributes private?

Leonid Shevtsov answers

How to implement `upsert` for PostgreSQL in ActiveRecord?
Determine last line in Ruby
Why are private variables in an object "visible" from the outside world?
Combine two images (.JPG) using PHP GD
Mime type detection fails with fileinfo on PHP 5.3.8
What is the down migration for adding a polymorphic reference
Exact opposite to Ruby's CGI.parse method?
Sublime - delete all lines containing specific value
Support for adding lazy load for images in Markdown
Why is Date.today - 6.months + 6.months != Date.today?