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Antonio Ospite, attacchi teoristici

Oggigiorno il futuro non è più quello di una volta.
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Low-cost and precise rotary encoder with magnetic spheres

da ao2, May 31, 2018
in
  • arduino
  • dev
  • hacking
  • hardware

You know what they say that constraints drive creativity, I think this post is just another little example of that.

Usually I do not put time constraints to my hobby projects, but I make sure to have some other kind of constraints, like keeping the cost low and trying to reuse stuff that I already have.

In this case I needed a way to measure the angle and speed of a rotating object for some of my projects, and I wanted a rotary encoder that was inexpensive, but precise enough to work at very low speeds.


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Nftables experiments: ICMPv6, Hop-by-Hop Options header

da ao2, April 27, 2018
in
  • ipv6
  • linux
  • networking

I experimented a little with nftables, even though it's not clear whether it will ever completely replace iptables, especially after the news about bpfilter, but it was an interesting exercise anyways.

After converting some iptables rules, I looked at how others were using nftables to write a more idiomatic configuration; I found some ruleset for a host firewall, and I tried to add them to my configuration.

When testing those rules I found that some ICMPv6 packets were not being matched as I would have expected.


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Little hacks for a GoPro Hero 3 White

da ao2, March 28, 2018
in
  • fun
  • hacking
  • hardware

Someone came to me with a broken GoPro Hero 3 White which wasn't turning on anymore, asking if there was a cheap way to fix it.

After tearing it down, a quick inspection revealed that the two flat-flex cables (the Shutter button one and the Power/Mode+LCD one) were both damaged, so neither the buttons or the LCD were working.

However, making contacts on the PCB traces of the Power button resulted in some reaction from the camera, so I knew there was still a chance.


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libam7xxx-0.1.7 released

da ao2, March 7, 2018
in
  • am7xxx
  • debian
  • dev
  • linux
  • opensource
  • projectors

The libam7xxx-0.1.7 release is out; it's a maintenance release with no big new features.


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Tweeper 1.2.0 released, Instagram locations and Twitter permalinks

da ao2, February 27, 2018
in
  • php
  • social networks
  • web
  • xml
  • xsl

Tweeper is a web scraper which converts Twitter and other social media websites to RSS.

On Febrauary 25th 2018 version 1.2.0 of Tweeper has been released. The tweeper Debian package has also been updated.


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Fun with flexagons, and SVG

da ao2, January 31, 2018
in
  • dev
  • fun
  • gimp
  • graphics
  • inkscape
  • math

If you don't know Vihart and her "Hexaflexagon series", go check it out:


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drupal-init-tools: quick and easy Drupal 8 setup

da ao2, August 2, 2017
in
  • dev
  • drupal
  • Drupal Planet
  • drush
  • web

Drupal 8 is quite an improvement over previous versions of Drupal with regard to the reproducibility of a site from a minimal source repository.

The recommended way to set up a new Drupal 8 site is to use composer, and the most convenient way to do that is via drupal-composer/drupal-project, which brings in Drush and drupal-console as per-site dependencies; from there the site can be installed and managed.

However the fact that Drush and drupal-console are per-site dependencies poses a problem: they are not available until the site dependencies have been downloaded, this means that it's not really possible to add “bootstrapping” commands to them to make it easier to set up new projects.


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Tweeper 1.1.0 released, Twitter to RSS without promoted tweets

da ao2, July 4, 2017
in
  • php
  • social networks
  • web
  • xml
  • xsl

Tweeper is a web scraper which converts Twitter and other social media websites to RSS.

On June 27th 2017 version 1.1.0 of Tweeper has been released.


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Drupal 8 migration log - Part 1 - intro, the front page

da ao2, June 12, 2017
in
  • dev
  • drupal
  • Drupal Planet
  • drush
  • php
  • web

Most of the information I have come across about migrating from Drupal 6 to Drupal 8 is about migrating content, however before tackling this problem another one must be solved, maybe it is obvious and hence understated, so let's spell it out loud: preserving the site functionality.


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vidi: MIDI-driven video content editing

da ao2, December 12, 2016
in
  • art
  • fun
  • gstreamer
  • midi
  • video

One of the first YouTube video I remember is Hyperactive by Lasse Gjertsen:


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  • Can be used as an improvised
    34 settimane 1 giorno fa
  • Thanks for reply! hope
    37 settimane 4 giorni fa
  • I have the same problem since
    37 settimane 6 giorni fa
  • someone have the same
    38 settimane 23 ore fa
  • PS: Also force my router to
    38 settimane 4 giorni fa
  • Since 23/06/2022 at evening
    38 settimane 4 giorni fa
  • Which resistors did you use.
    1 anno 1 settimana fa
  • (Try removing "ip6 hoplimit
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  • This did the trick for
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