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Questions tagged [oslo]

"Oslo" was the codename for SQL Server Modeling CTP, a model-driven development toolset using the "M" Modelling Language. The project was canceled in late 2010.

"Oslo" was the codename for SQL Server Modeling CTP, a model-driven development toolset using the "M" Modelling Language. The project was canceled in late 2010.

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32 questions
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Textual Domain-Specific language (DSL) development with Microsoft Visual Studio

I did some searches on developing a DSL in visual studio. At the beginning, I found out there is a Visualization and Modeling SDK for VS2010. It has a tool called DSL tool. But it seems that it is only for graphical DSL development. Then I saw some…
Wayne Yeung
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Composite Oriented Programming (COP), .NET 4.0, MEF, and the Oslo Repository

There seems to have been some interest over the past year around COP within the .NET community (ala Qi4j). A few folks have rolled there own COP frameworks (see links below) and it would appear .NET 4.0's Dynamic Dispatch and MEF might have a…
J Healy
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What problems will Microsoft's Oslo project solve?

I watched few videos/webcasts about "Oslo" but I still fail to see how it all comes together. I understand that Oslo is a modeling platform. What's the process to create a DSL? Is it more than just a tool to create DSLs? I understand that MGramma…
Vadim
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Shift reduce and reduce reduce conflicts

I'm having a hard time wrapping my head around this and need some help understanding shift reduce and reduce reduce conflicts. I have a grammar which I can't seem to understand why it's problematic. I could attach the grammar, but I want to learn…
John Leidegren
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4 answers

What advantages does using Oslo and M have and when would you use it?

After attending a talk on Oslo/M I am struggling a bit to see the advantages of using it over existing methods and in what situation it would be useful. I know its quite new and not all details have been released etc but can some one give me some…
alexmac
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T4 vs CodeDom vs Oslo

In an application scaffolding project on which I'm working, I'm trying to decide whether to use Oslo, T4 or CodeDom for generating code. Our goals are to keep dependencies to a minimum and drive code generation for a domain driven design from user…
user29439
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3 answers

Oslo's Intellipad: How to set up the 3 column MGrammarMode?

I've been using Oslo for MSchema. Works great. I can write an M Schema for a database design and it generates T-SQL to build the entire db with PKs, FKs, checks for integrity etc. I've set up a .bat file to compile the .m into .mx then load it…
Weej
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Openstack: Oslo_Config NoSuchOptError for a Deprecated Name - probably need to define Deprecated_Opts?

I recently made a code fix in trove to rename a config parameter name in vertica from 'cluster_member_count' to 'min_cluster_member_count'. Also, I deprecated the value of the old parameter so it can be backwards-compatible. Here is the group…
punsoca
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What is model driven development good for?

Microsoft, of Cairo fame, is working on Oslo, a new modeling platform. Bob Muglia, Senior Vice President of Microsoft Server & Tools Business, states that the benefits of modeling have always been clear. In simple, practical terms, what are the…
user290
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1 answer

Neutron error: oslo_privsep.daemon.FailedToDropPrivileges: privsep helper command exited non-zero (1

during the configuration of Neutron (OpenStack Stein), I found this error oslo_privsep.daemon.FailedToDropPrivileges: privsep helper command exited non-zero (1) All services are running but this error still appears as you can see…
jbacelo
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What do you think about Microsoft Oslo MGraph?

MGraph is a great textual data format brought by Microsoft "Oslo". Do you think it has a chance to get as broad as XML is today? Example (Google Geocode): { name = "waltrop, lehmstr 1d", Status { code = 200, request: "geocode" …
Lars Corneliussen
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Will I be able to create dynamic classes at runtime in Oslo?

For instance, will I be able to create an application that allows users to create and modify existing types at runtime? Will I be able to persist instances of those types in SQL without having to worry about the user who adds 100,000 records and…
Sean
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1 answer

How to use oslo_config to load config file only without register_opts?

After studying the usage of oslo_config, I found if I want to use few config values from a config file (test.conf), I need to declare these opts in my program and register them, as follows. test.conf [test] enable = True usr_name = ‘Joe’ hobby =…
talihsu
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What is Microsoft OSLO?

Is it a DSL generation tool or natural query language?
David Robbins
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How can I create XSD files from M documents?

Does anyone know of a nice way to: produce XSD documents from an SQL Server Modeling Framework model consume conformant XML documents using that model and add directly into the DB created from the model? I can't see any obvious way from the…
Andrew Matthews
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