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Bulk Change the Date on Photos

March 13, 2018Categories: Random, Tutorial
I've got a new camera and I forgot to update the date. Consequently, the first photos are taken on 01/01/2017 instead of 04/03/2018. Given that more than 100 photos were taken, it would be a pain to change them one by one. So, here are the steps I did update the date: Download exiv2 . Just search…

Fix Jenkins Ignored Plugin "Check Now"

March 13, 2018Categories: IT, Tutorial
TL;DR: Check if a browser extension is blocking your request when you click Check Now While playing more with jenkins, I've encountered an error while requesting Check Now for plugin updates: it seemed that my request got ignored. I've tried different URLs (with and without HTTPS, stable or not…

Fade colors in Corona using Transitions

March 11, 2018Categories: Software, Tutorial
Corona provides transitions. According to this post , a transitionTo(...) would suffice: The user can also cancel the transition if needed (which is waht I would need to do later in the code). In case you're into custom stuff and the easing functions are not enough, you can create your own . A…

Fade Colors on a Polygon using the Game Loop

March 11, 2018Categories: Software, Tutorial
One of the features I need to implement is to smoothly change the fill/stroke color of a polygon, like this: A manual approach In order to better understand the mechanics, I built my own fading PoC. First, one would need to build the polygon: In this particular case, I have a text field and a…

Antialias a Polygon with Corona SDK

February 27, 2018Categories: Software, Tutorial
The other day I figured I needed to draw a polygon in Corona SDK . With display.newPolygon(...), the job is extremely easy and a result like (apologies for the JPEG artefacts): It is obvious that in non retina cases, one can see the aliasing of the polygon's edges. Hence I've thought and searched…

Update Jenkins on Ubuntu

February 16, 2018Categories: IT, Tutorial
I've got an installation of Jenkins on a Ubuntu 14.04.5 LTS which I needed to update. In order to do so I did the following: Download the new version (2.107 at the moment of writing this post). In /home/user/backup/ execute: Backup the old version (Jenkins war is installed in /usr/share…

Ignore ESLint Directives in Code

January 18, 2018Categories: Software, Tutorial
The other day I've had to refactor a piece of angular code. Unfortunately, the original code was written a long time ago and has some issues like having $scope in controllers and a rather large number of unused variables. changing the $scope to this is a very time-consuming task as it implies…

Monitor ethOS Distro with Elastic Search - 3

December 27, 2017Categories: IT, Software, Tutorial
Once we've set up the data sending from out ethOS machine , we can check that ElasticSearch collects data. With GET /ethos/_count , we get something like: If the count is greather than 0 , we can start analysing the data. Metrics I am currently measuring only machine. Therefore, I've set up some…

Proxy Content from URL with Webpack Dev Server

December 21, 2017Categories: Software, Tutorial
An application I'm working with has a large amount of static files (path starting with '/files/' ) deployed on a mounted volume in Docker . They are subsequently served via nginx . for local development, I thought of two options: Add files to the local dev server (e.g. copy assets) Build a proxy…

Monitor Docker Logs with ELK - 2

December 12, 2017Categories: IT, Tutorial
This second post in the series provides a starting point for visualising the log data. It makes some assumptions that logs are collected in a way described by the first part , so I would suggest to read through it if you haven't already. Verify First, make sure you have some data logged in: You…
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