archan937/ruby-mass
Introspect the Ruby Heap by indexing, counting, locating references to and detaching (in order to release) objects.
Related cards:
The Ruby Object Model
In Ruby (almost) everything is an Object. While this enables a lot of powerful features, this concept might be confusing for developers who have been programming in more static languages, such as Java or C#. This card should help understanding t...
Ruby constant lookup: The good, the bad and the ugly
In Ruby, classes and modules are called constants. This card explains how Ruby resolves the meaning of a constant.
The good
E. g. in the following example, Array could mean either Foo::Array or simply Array:
class Fo...
Bash: How to count and sort requests by IP from the access logs
Example
87.140.79.42 - - [23/Jan/2024:09:00:46 +0100] "GET /monitoring/pings/ HTTP/1.1" 200 814 "-" "Ruby"
87.140.79.42 - - [23/Jan/2024:09:00:46 +0100] "GET /monitoring/pings/ HTTP/1.1" 200 814 "-" "Ruby"
87.140.79.41 - - [23/Jan/2024:09...
Steve Wozniak, Steve Jobs, and the long road to the iPad. - By Tim Wu - Slate Magazine
Now in 2010, the iPad takes the same ideas to their logical extreme. It is a beautiful and nearly perfect machine. It is also Jobs' final triumph, the final step in Apple's evolution away from Wozniak and toward a closed model.
The JavaScript Object Model: Prototypes and properties
Speaker today is Henning Koch, Head of Development at makandra.
This talk will be in German with English slides.
Introduction
As web developers we work with JavaScript every day, even when our backend code uses anothe...
Ruby and Rails deprecation warnings and how to fix them
Add deprecation warnings and their solution or link to available solutions.
Global access to Rake DSL methods is deprecated. Please include Rake::DSL into classes and modules which use the Rake DSL methods.
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Ruby on Rails » Keeping Up With The Joneses: Keeping Rails and its extensions up to date » Pathfinder Development
There are many wonderful things about Rails and the Rails ecosystem. A clean, well-lighted path for keeping all your extensions up to date is not one of them.
Deal with different ways of counting weeks and weekdays in Ruby
Depending on where you live, different rules are used to determine the number of the week and a weekday. You have no chance whatsoever to get this...
How to examine an unknown Ruby object
When debugging your application, you will come across objects created by some gem or framework. You don't have the source code at hand, still need to inspect this object. Here are some tools to do so:
Relevant methods
`@object.methods - Obje...
How to make changes to a Ruby gem (as a Rails developer)
At makandra, we've built a few gems over the years. Some of these are quite popular: spreewald (> 1M downloads), active_type (> 1M downloads), and geordi (> 200k downloads)
Developing a Ruby gem is different from developing Rails applications, w...