Skip to main content

Digilasku osa 4

Digilasku on tehty täysin asiakkaan toiveiden mukaiseksi. Saimme asiakkaalta listan halutuista ominaisuuksista jotka priorisoimme. Lähdimme implementoimaan järjestelmää hyvin lyhyen (varmaankin noin kahden tunnin) suunnittelun jälkeen. Tarkoituksena oli scrum-tyyliin demota järjestelmää usein ja hakea siten lopullista muotoa.

Homma ei aivan haluamallamme tavalla sujunut. Kesälomien takia pääsimme näyttämään järjestelmää vain muutaman kerran kolmen kuukauden aikana. Tämä vaikutti järjestelmään varmasti paljon. Käyttäjäpalautteen puutteen takia jouduimme arvailemaan toteutuksessa jonkin verran. Jotkut arvauksista osui oikeaan, toiset väärään.

Käyttäjäkokemusten puuttuessa, teimme järjestelmän sisään oman osion, jossa käyttäjä voi kertoa parannusehdotuksista ja bugeista käytön ohessa. Tästä on ollut huomattavaa hyötyä, sillä olemme saaneet tätä kautta merkittävän osan bugiraporteista ja parannusehdotuksista. Asiakkaan mukaan kynnys yhteydenottoon on merkittävästi pienempi, koska raportointi aiheuttaa vain vähän lisävaivaa. Vaikka osa raporteista on ollut hieman lyhyitä, ovat ne parempia kuin ei mitään.

Comments

Post a Comment

Popular posts from this blog

I'm not a passionate developer

A family friend of mine is an airlane pilot. A dream job for most, right? As a child, I certainly thought so. Now that I can have grown-up talks with him, I have discovered a more accurate description of his profession. He says that the truth about the job is that it is boring. To me, that is not that surprising. Airplanes are cool and all, but when you are in the middle of the Atlantic sitting next to the colleague you have been talking to past five years, how stimulating can that be? When he says the job is boring, it is not a bad kind of boring. It is a very specific boring. The "boring" you would want as a passenger. Uneventful.  Yet, he loves his job. According to him, an experienced pilot is most pleased when each and every tiny thing in the flight plan - goes according to plan. Passengers in the cabin of an expert pilot sit in the comfort of not even noticing who is flying. As someone employed in a field where being boring is not exactly in high demand, this sounds pro...
Post a Comment
Read more

Emit structured Postgres data change events with wal2json

A common thing I see in an enterprise system is that when an end-user does some action, say add a user, the underlying web of subsystems adds the user to multiple databases in separate transactions. Each of these transactions may happen in varying order and, even worse, can fail, leaving the system in an inconsistent state. A better way could be to write the user data to some main database and then other subsystems like search indexes, pull/push the data to other interested parties, thus eliminating the need for multiple end-user originating boundary transactions. That's the theory part; how about a technical solution. The idea of this post came from the koodia pinnan alla podcast about event-driven systems and CDC . One of the discussion topics in the show is emitting events from Postgres transaction logs.  I built an utterly simple change emitter and reader using Postgres with the wal2json transaction decoding plugin and a custom go event parser. I'll stick to the boring ...
Post a Comment
Read more

Extracting object properties from an IFC file with IfcOpenShell

Besides the object geometry information, IFC files may contain properties for the IFC objects. The properties can be, for example, some predefined dimension information such as an object volume or a choice of material. Some of the properties are predefined in the IFC standards, but custom ones can be added. IFC files can be massive and resource-intensive to process, so in some cases, it helps to separate the object properties from the geometry data. IfcOpenShell  is a toolset for processing IFC files. It is written mostly in C++ but also provides a Python interface. To read an IFC file >>> ifc_file = ifcopenshell.open("model.ifc") Fetch all objects of type IfcSlab >>> slab = ifc_file.by_type("IfcSlab")[1] Get the list of properties >>> slab.IsDefinedBy (#145075=IfcRelDefinesByType('2_fok0__fAcBZmMlQcYwie',#1,$,$,(#27,#59),#145074), #145140=IfcRelDefinesByProperties('3U2LyORgXC2f_hWf6I16C1',#1,$,$,(#27,#59),#145141), #145142...
Post a Comment
Read more