30 April 2021

"SORT" is not stable !

Once in a while, you find something that challenge everything you thought you knew about a given subject. In may case I just found the the sort order using the default SORT ... BY X Y is not stable. That is, if you have several element with the same X and Y, they can be sorted in any order, and there is no guaranty that they will be sorted in the same way by consecutive sorts.

28 April 2021

World Map Generation 1


It’s fairly commonly knowledge that generating a map can be done in a lot of different ways. This post is the first on a set that will speak of the ideas and algorithms we used to create the map for our toy program to display.

23 March 2018

Global Jam Service Paris-Est Marne-la-Vallée

Another year, another great Service Jam. For the second time this was done on the ground of  university "Paris-Est  Marne-la-Vallée". The theme was, once more, both very simple and quite brainstorming : 

Yes, No, Yes, No, Maybe, No, Yes

30 November 2017

Changing the DataMatrix code size

Another (very) short article/news. This time about a problem when using Adobe LifeCycle in SAP (transaction sfp) : if you add a dataMatrix code to the page, the size of the code seems to be fixed. This article gives a very quick fix to this problem

30 October 2017

oData date property cause an "invalid value" error

This small article is to describe a problem with some date property that arises during the creation of an oData entity : one date was generating an "invalid value" error (return code code 500). This was occurring after we filled the return structure, with the correct value.

28 June 2017

New Mesh generation

After a long time being blocked by professionnal projects and constraints, I come back to my small self-learning game project. I made several modification to my project, mainly on the graphical side, following a brutal change of PC with no save...

4 March 2017

Global Jam Service Paris-Est Marne-la-Vallée

Since a few years, my wife partcipate into the "Global Jam Service", a Jam where you have to prototype a innovative service in 48h.  Last year I decided to also participate, seeing this as a way to learn new methodologies, while having fun. 

10 February 2017

Corrupted PDF Generation in ABAP

PDF generation in ABAP is simple, and a lot of tutorials show how to develop an application that generate such a PDF and save it on the back-end or on the front-end. However, from times to times, the generated PDF is corrupted. This occured for several clients. This notes describes the problem, and provide a solution.

12 June 2016

HR Renewal : No detail screen for leave request

In our current project, we have to implement a stand-alone HR Renewal project, with the leave request management as the main application. We had a problem with the validation of a request. While the manager could accept or reject a leave request, it could not see the detail of the request.