How to clone a git repo from one remote to another

John Bachir's Code Blog
January 24, 2019
git clone --mirror old-remote-url
cd repo.git
git push --mirror new-remote-url

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Measuring Sidekiq with Librato

John Bachir's Code Blog
July 03, 2015

Here's what I recently put together so I could measure some Sidekiq behavior with Librato. This code makes use of the librato-metrics gem.

Measure the time taken to perform each type of job

I put this in my lib directory:

class SidekiqMetrics
 def call(worker, msg, queue)
 librato_queue = Librato::Metrics:: . . .

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How to make a git branch be based off of a different branch from what it was originally branched off from

An easy thing to do covered confusingly in 2-dozen other blog posts around the web. But not here my friend.

John Bachir's Code Blog
March 27, 2015
git checkout branch-you-are-working-on
git rebase --onto branch-you-want-it-based-on branch-it-is-based-on

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Benchmarking Postgres vs. Redis Reads

John Bachir's Code Blog
March 21, 2015

I was curious what would be the difference in performance between Postgres and Redis for basic read operations. Redis is highly optimized for writing and reading specific types of data structures, where Postgres, with its ACID guarantees and general-purpose features, can't compete. But for the most basic read operations, where Postgres . . .

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Setting Priorities For Sidekiq Workers

John Bachir's Code Blog
March 07, 2015

I love Sidekiq, and Medstro is a Sidekiq Pro customer. We started out with pretty basic usage, using no custom workers, only using the ActiveRecord extension which enables .delay that you might be familiar with in other queueing systems. We also use devise-async to automatically catch all our outgoing devise email.

We've . . .

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MetaInspector

John Bachir's Code Blog
October 09, 2014

MetaInspector is a handy gem which makes it easy to get information about a webpage such as…

So let's say that you have a field in your app's user profiles for "personal . . .

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Monitoring connection quality of Amtrak wifi vs. phone tethering

John Bachir's Code Blog
July 17, 2014

Kudos to Amtrak for having free Wi-Fi. But the network quality is dependent on a mobile data connection, which varies throughout the trip. Meanwhile, I also have tethering on my phone.

One might guess that the connection quality would be pretty much identical between the two, since they both rely on similar or the same networks over . . .

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