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Author: addshore (page 1 of 7)

gitgraph.js and for git visualization

I was looking for a new tool for easily visualizing git branches and workflows to try and visually show how Gerrit works (in terms of git basics) to clear up some confusions. I spent a short while reading stackoverflow, although most of the suggestions weren’t really any good as I didn’t want to visualize a real repository, but a fake set of hypothetical branches and commits.

I was suggested Graphviz by a friend, and quickly found which was going in the right direction, but this would require me to learn how to write DOT graph files.

Eventually I found gitgraph.js, which is a small JavaScript library for visualizing branching ‘things’, such as git, well, mainly git, hence the name and produce graphics such as the one below.

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Spike in Adam Conover Wikipedia page views | WikiWhat Epsiode 4

This post relates to the WikiWhat Youtube video entitled “Adam Conover Does Not Like Fact Checking | WikiWhat Epsiode 4” by channel Cntrl+Alt+Delete. It would appear that the video went slightly viral over the past few days, so let’s take a quick look at the impact that had on the Wikipedia page view for Adam’s article.

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Cambridge Analytica, #DeleteFacebook, and adding EXIF data back to your photos

Back in 2016 I wrote a short hacky script for taking HTML from facebook data downloads and adding any data possible back to the image files that also came with the download. I created this as I wanted to grab all of my photos from Facebook and be able to upload them to Google Photos and have Google automatically slot them into the correct place in the timeline. Recent news articles about Cambridge Analytica and harvesting of Facebook data have lead to many people deciding the leave the platform, so I decided to check back with my previous script and see if it still worked, and make it a little easier to use.

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Wikidata Map November 2017

It has only been 4 months since my last Wikidata map update post, but the difference on the map in these 4 months is much greater than the diff shown in my last post covering 9 months. The whole map is covered with pink (additions to the map). The main areas include Norway, Germany, Malaysia, South Korea, Vietnam and New Zealand to name just a few.

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Wikibase docker images

This is a belated post about the Wikibase docker images that I recently created for the Wikidata 5th birthday. You can find the various images on docker hub and matching Dockerfiles on github. These images combined allow you to quickly create docker containers for Wikibase backed by MySQL and with a SPARQL query service running alongside updating live from the Wikibase install.

A setup was demoed at the first Wikidatacon event in Berlin on the 29th of October 2017 and can be seen at roughly 41:10 in the demo of presents video which can be seen below.

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Wikidata Map July 2017

It’s been 9 months since my last Wikidata map update and once again we have many new noticable areas appearing, including Norway, South Africa, Peru and New Zealand to name but a few.  As with the last map generation post I once again created a diff image so that the areas of change are easily identifiable comparing the data from July 2017 with that from my last post on October 2016.

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Wikimedia Commons Android App Pre-Hackathon

Wikimedia Commons Logo

The Wikimedia Commons Android App allows users to upload photos to Commons directly from their phone.

The website for the app details some of the features and the code can be found on GitHub.

A hackathon was organized in Prague to work on the app in the run up to the yearly Wikimedia Hackathon which is in Vienna this year.

A group of 7 developers worked on the app over a few days and as well as meeting each other and learning from each other they also managed to work on various improvements which I have summarised below.

2 factor authentication (nearly)

Work has been done towards allowing 2fa logins to the app.

Lots of the login & authentication code has been refactored and the app now uses the clientlogin API module provided by Mediawiki instead of the older login module.

When building to debug the 2fa input box will appear if you have 2fa login enabled, however the current production build will not show this box and simply display a message saying that 2fa is not currently supported. This is due to a small amount of session handling work that the app still needs.

Better menu & Logout

As development on the app was fairly non existent between mid 2013 and 2016 the UI generally fell behind. This is visible in forms, buttons as well as app layout.

One significant push was made to drop the old style ‘burger’ menu from the top right of the app and replace it with a new slide out menu draw including a feature image and icons for menu items.

Uploaded images display limit

Some users have run into issues with the number of upload contributions that the app loads by default in the contributions activity. The default has always been 500 and this can cause memory exhaustion / OOM and a crash on some memory limited phones.

In an attempt to fix and generally speed up the app a recent upload limit has been added to the settings which will limit the number images and image details that are displayed, however the app will still fetch and store more than this on the device.

Nearby places enhancements

The nearby places enhancements probably account for the largest portion of development time at the pre hackathon. The app has always had a list of nearby places that don’t have images on commons but now the app also has a map!

The map is powered by the mapbox SDK and the current beta uses the mapbox tiles however part of the plan for the Vienna hackathon is to switch this to using the wikimedia hosted map tiles at

The map also contains clickable pins that provide a small pop up pulling information from Wikidata including the label and description of the item as well as providing two buttons to get directions to the place or read the Wikipedia article.

Image info coordinates & image date

Extra information has also been added to the image details view and the image date and coordinates of the image can now be seen in the app.

Summary of hackathon activity

The contributions and authors that worked on the app during the pre hackathon can be found on Github at the following link.

Roughly 66 commits were made between the 11th and 19th of May 2017 by 9 contributors.

Screenshot Gallery

Wikidata Map Animations

Back in 2013 maps were generated almost daily to track the immediate usage of the then new coordinate location within the project. An animation was then created by Denny & Lydia showing the amazing growth which can be seen on commons here. Recently we found the original images used to make this animation starting in June 2013 and extending to September 2013, and to celebrate the fourth birthday of Wikidata we decided to make a few new animations.

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Wikidata Map October 2016

I has been another 5 months since my last post about the Wikidata maps, and again some areas of the world have lit up. Since my last post at least 9 noticeable areas have appeared with many new items containing coordinate locations. These include Afghanistan, Angola, Bosnia & Herzegovina, Burundi, Lebanon, Lithuania, Macedonia, South Sudan and Syria.

The difference map below was generated using Resemble.js. The pink areas show areas of difference between the two maps from April and October 2016.

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Google Assistant & Wikipedia

googleassistant-wikipedia1The Google Assistant is essentially a chat bot that you can talk too within the new Allo chat app. The assistant is also baked into some new Google hardware, such as the pixel phones. During a quick test of the assistant, I noticed that if you ask it to “tell me an interesting fact” sometimes it will respond with facts from Wikipedia. Continue reading

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