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Articles in RUBY

Ramblings :: Raspberry Pi and First World Problems

And now, dear reader, a brief intercalary segue\u2026.. Stating the obvious, I've been doing a lot of work recently with the Raspberry Pi. In truth, I've been trying to discern and/or work around its...

Ramblings :: Good Practices for Configuring Docker Private Registries

Private registries can be very helpful when using Docker \u2014 particularly if you're wanting to be able to share code locally without either making it public or incurring the cost of a round trip. Th...

Max De Marzi :: Importing the Hacker News Interest Graph

Graphs are everywhere. Think about the computer networks that allow you to read this sentence, the road or train networks that get you to work, the social network that surrounds you and the interest g...

Ramblings :: Docker Commandline Arguments are Context Sensitive

TL;DR: Position of the commandline arguments matter. `-v` before `run` means something totally different than `-v` *after* `run`. More details below the link.

Ramblings :: Abusing Awk

Almost ashamed to admit I did this, yet it's still kinda cool. I use awk for a lot of commandline parsing; I learned it back in 1989\u2026. before perl was much of a thing. For some problems, awk "ju...

Saturn Flyer :: The 4 Rules of East-oriented Code: Rule 4

Often the rules we create are defined by their exceptions. It is difficult to create a program which continually passes objects and never returns data. Often the first rule of \xe2\u20ac\u0153Always return self\xe2\u20ac...

Ramblings :: Cron the Eater of (CPU) Time

Note: This behaviour was observed on a Pi B+; it was not observed on a Pi 2. I happened to have top up while doing the bonded Nic test and noticed that the load was awfully high. Then the following po...

Ramblings :: Why it’s Important to use TLS with Docker Swarm

There is nothing wrong with your docker host. Do not attempt to adjust the picture. We are controlling transmission. If we wish to make it louder, we will bring up the volume. If we wish to make it so...

Running with Rails – Dev Blog not only for Rails fanatics :: Ruby global method cache invalidation impact on a single and multithreaded applications

Most of the programmers treat threads (even green threads in MRI) as a separate space, that they can use to simultaneously run some pieces of code. They also tend to assume, that there's no "indir...

Running with Rails – Dev Blog not only for Rails fanatics :: Ruby global method cache invalidation impact for a single and multi threaded applications

Most of the programmers treat threads (even green threads in MRI) as a separate space, that they can use to simultaneously run some pieces of code. They also tend to assume, that there's no "indir...