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Fun with LTSpice

No more fiddling around with boxes of components and searching for datasheets of components that arent available only to find that the reason why your MOSFET is not triggering correctly is because of an incorrect calculation i made when I read the datasheet!
Recently got the hang of modelling circuits in the wonderful but slightly weird (Well, not really, it's just the keyboard commands are weird like F5 to delete a component etc)
What's nice is that you can measure voltage/current and set the run time conditions (seconds, minutes etc) and also set the voltage input conditions (sin

Exploring Ansible's Drupal image

Something very nice about Ansible and the whole devops movement are companies like Digital Ocean with their ready to go Drupal images, in this case lets see what 11080335 gives you

In my case I got the 11080335 from using a direct curl request and parsing the output via python's json tool

An Ansible / Digital Ocean catch

If you get this error when running your new Ansible scripts, the problem may be that you're not running the right HEAD/2.0 digitalocean API from Ansible

ValueError: invalid literal for int() with base 10: 'xxx'

In any case, still have to love a project that names its releases after Van Halen tracks!

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Ubercart bitcoin module receives major update

Just spent a few hours giving the Ubercart Bitcoin module a lot of love, main change now is using the Guzzle HTTP library with composer_manager to make sure HTTP/1.1 is fully supported when talking to Blockchain.info

And ofcourse some lovely fresh configuration panels

JetBrains adding value to Arduino with their editor?

Spotted this recently whilst seeing if there's a better editor around than the default Arduino editor https://youtrack.jetbrains.com/issue/CPP-364 - Lots of votes to integrate this functionality into the somewhat lacking existing Arduino editor - based on JetBrains existing CLion IDE

JetBrains write terrific software and a licence is a fantastic investment, lets hope it comes together!

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Drupal 7 adding custom AJAX commands

Sometimes the existing Drupal AJAX Framework commandset isn't quite all you want todo.

Fortunately it's quite simple to add your own

Create your extension to the AJAX prototype - place it in a file 'thing.js' - data from your module will be serialised and sent here

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Drupal 7 Anonymous User Sessions

In Drupal 7 anonymous sessions were disabled for performance reasons, there's generally not really any reason why you need or should be tracking anonymous users

 

But what if you want to do some session handling but don't necessarily need the user to login with a full Drupal account?

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U2515H Dell LCD Upgrade

I recently upgraded my Xubuntu linux workstation LCD to the wonderful Dell U2515H

This is a fantastic monitor! Highly recommended - working nicely at full resolution with my T420S, the differences with the new IPA LCD technology are substantial - there is just no comparison to lower end LCD's anymore

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