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09 Aug Ruby on Rails: Benchmarking your ActiveRecord queries

Posted at 19:31h in latest, Rails, Ruby by heridev 0 Comments

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First of all, in some cases, the time spent in that query is really low so maybe, a good way to see if you can improve it is to compare that functionality with the same query after making some tweaks, such as lazy loading, using...

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18 Jul How to find the source declaration of any method in Ruby?

Posted at 22:40h in latest, Ruby by heridev 0 Comments

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Let’s say you want to see where it is declared the method `last` from ActiveRecord, you can do so Just as simple as: There you go

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23 Jun Instancia Tierra sin memoria disponible – Error R14

Posted at 16:27h in generales by heridev 0 Comments

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Ahora una triste historia para programadores/arquitectos de software: Erase una vez una clase llamada `God` la cual implementaba el método `create_planet` Cierto día fue invocada por primera vez La instancia Earth(Tierra) era maravillosa y resplandeciente, llena de vida, animales, árboles, oxígeno limpio, aguas cristalinas totalmente...

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15 May How to retry when exceptions happens in Ruby on Rails

Posted at 20:50h in activerecord, Ruby by heridev 0 Comments

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A really simple retry when exceptions happen in Ruby on Rails as in this example I’m using a `find_by` from ActiveRecord ORM. If we run that method in the Rails console, we will see a few attempts to find that record and it will retry...

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11 Aug Starting Android Java development like a Boss

Posted at 15:03h in Android, Android testing, Mockito by heridev 0 Comments

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Do you want to start learning Android Java with the right foot? If you are a beginner starting with Android Java, I would highly recommend you to study and practice this incredible series of videos as you will start with the right foot and doing...

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25 May Ruby: benchmark/analyze memory for CSV generation with a big collection of ActiveRecord objects

Posted at 14:53h in backend, Ruby by heridev 0 Comments

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11 May Export and import/restore data for one table using ActiveRecord from Rails console

Posted at 18:00h in activerecord, backend, Rails, Ruby by heridev 0 Comments

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This will create an array of hashes like this: In case that something goes wrong you can restore your data doing something like this: As always keep reading, coding and relax

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30 Apr Having troubles with a gem dependency when it’s supposed to use the library from the system?

Posted at 22:09h in generales by heridev 0 Comments

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I was having troubles after switching between branches, here is the basic troubleshooting trick. As simple as that, thanks for reading Keep reading, coding and relax, peace H.

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15 Sep Google Chrome 61.xx bit my finger :) – Element not clickable at point error in Capybara

Posted at 23:15h in cucumber, Rails, rspec, Ruby, Testing by heridev 0 Comments

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My test suite is failing due to the latest changes in Google Chrome version (61.xx), seems like something has changed and now you need to manually scroll right/bottom/top if you are using Capybara RSpec or cucumber with selenium driver because if the element is not...

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02 Aug How to test your http requests for actions in React Redux

Posted at 21:00h in javascript, javascript frameworks, react, redux, testing by heridev 0 Comments

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Another name for this post would be: How to test async store.dispatch react redux actions. Seems like there is a lot of confusion about this topic, so I would show you how easy is to test that kind of actions using JEST, the important thing...

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