• davidpm (44)in #programming • 5 years ago

  Disabling dangerous redis commands in Production redux

  I recently read a great article from Honeybadger that muses on what could happen to a production environment if a fat fingered developer did something like:…

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• davidpm (44)in #technology • 6 years ago

  Heuristics on the Practice of Programming

  A Living List What follows is a living list of heuristics I've come to internalize over the years as a developer. My goal is to periodically add to this list. Consider it a…

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• davidpm (44)in #programming • 6 years ago

  Git Interactive Rebase to Alter Commits

  Do you have skeletons in your git history? Maybe you want to re-write that history? I know I've been down that road, and since I've had to look up how to do this several times I…

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• davidpm (44)in #technology • 6 years ago

  Dropping Into B-trees

  My recent (and only) RailsConf talk:

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• davidpm (44)in #ruby • 6 years ago

  Create a command-line gem from scratch with Thor (part two)

  This is the last in a two-part post on creating a Ruby cli gem from scratch. Part one found here. Picking up from our last post, we want to start working on our user…

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• davidpm (44)in #ruby • 6 years ago

  Create a command-line gem from scratch with Thor

  This is the first in a two-part post on creating a Ruby command-line gem from scratch. Part two found here. Let's write a command-line interface (cli) as a Ruby gem. We need…

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• davidpm (44)in #blockchain • 6 years ago

  Blockchain Proof of Concept

  If you are a programmer and have been hearing all of the fuss about THE BLOCKCHAIN but haven't yet looked into it, and were looking for a starting point, this is the post for…

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• davidpm (44)in #sql • 6 years ago

  SQL Cheat Sheet

  SQL can do a lot: data insertion, querying, updating and deleting, schema creation and modification, and data access control. I have to look up this stuff more often than I'd…

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• davidpm (44)in #rails • 6 years ago

  Bootstrap with Rails and Postgres

  > rails new app_name ...gives you all you need to get started developing an application, notably using SQLite as the default datastore. I've always worked with…

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• davidpm (44)in #ruby • 6 years ago

  REGEX Multiline Anchors

  Ever try out a regular expression on rubular , stick it in your model: MEH_REGEX = /^(?=.*[a-zA-Z])(?=.*[0-9]).{8,}$/

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• davidpm (44)in #ruby • 6 years ago

  Rspec Config

  You've included rspec in your Gemfile , run bundle install and you want to initialize some examples to start testing. > rails g rspec:install

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• davidpm (44)in #rails • 6 years ago

  Rails MIME Types

  When using Rails to build an API you'll most likely be working with JSON or XML to pass around data. That is because most APIs today work exclusively with these MIME…

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• davidpm (44)in #ruby • 6 years ago

  Messages with Methods in Ruby

  You hear it all the time when reading about Ruby: everything is an object. Objects in Ruby communicate with other objects by passing "messages" back and forth to one another.…

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• davidpm (44)in #linux • 6 years ago

  CPUs

  Ever needed to check really quick how many CPUs your *nix machine is running? Maybe you're logged into a remote server, or maybe you just forgot. In any case, I keep finding…

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