Monthly Archives: April 2020

Corona and time for Astronomy

Posted on April 30, 2020 by schrievkrom

I did not much in Astronomy over the last years, but during the lock down I had time to show my son some stuff. He took some free hand pictures (projection from eyepiece (Okular)), which are pretty good considering the … Continue reading →

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New Smalltalk cup

Posted on April 30, 2020 by schrievkrom

My son noticed, that I was pretty worried about my broken Smalltalk cup and so I got a new cup from him on my birthday. Thank you Torben !

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ICU Wrapper for VASmalltalk mentioned

Posted on April 30, 2020 by schrievkrom

Hey, that’s cool. My wrapper for the ICU library for VASmalltalk has been mentioned at the ICU project

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PUM oriented apps – Project Installation Sencha ExtJS

Posted on April 21, 2020 by schrievkrom

If you create a first application with pum you must create also an application for Sencha ExtJS. I use WebStorm and the plug-in from Sencha. So when creating a new app in your Sencha workspace you end up with a … Continue reading →

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Some days are starting badly ….

Posted on April 21, 2020 by schrievkrom

My Smalltalk cup gots broken in my dish washer ….

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Gemstone/S – Used during local elections 2020 in Bavaria

Posted on April 20, 2020 by schrievkrom

We had two dates last month – collecting results for the Kommualwahlen (local elections) 2020 in Bavarian (Bayern) for Bayerischen Rundfunk. On 15.03. and 29.03. we used Gemstone/S to manage and playout the results of that election for their Internet … Continue reading →

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Gemstone/S and its Query capabilities

Posted on April 20, 2020 by schrievkrom

That’s a topic. Gemstone/S is an object oriented database, so in contrast to relational databases, an OO-Database has its strength in maintaining direct connections (associations) between objects. These associations can be seen as materialized views of SQL-queries in relational databases, … Continue reading →

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PUM oriented apps – CRUD API Call structures

Posted on April 20, 2020 by schrievkrom

The API structure of PUM has been developed to support the Javascript library we actually use – Sencha ExtJS. One base construct in ExtJS is a “store“. In REST terms a store is a list-resource (containing domain objects) with up … Continue reading →

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PUM oriented apps – Session Handling

Posted on April 17, 2020 by schrievkrom

When adding REST-structure to your model in PUM, several classes are added to the model – in the API hierarchy and the domain hierarchy. One of these classes is an application user class (as mentioned in an ealier posting) and … Continue reading →

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PUM oriented apps – Server scheduling …

Posted on April 16, 2020 by schrievkrom

Application with more than a few users need more answering tasks on the server … and we enter the world of concurrency and Linux configuration. PUM oriented apps are considered to run behind an Apache server, not because I like … Continue reading →

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