timeseriesdb | Automatically exported from code.google.com/p/timeseriesdb | JSON Processing library
kandi X-RAY | timeseriesdb Summary
kandi X-RAY | timeseriesdb Summary
TimeSeriesDb is a .NET library designed to store vast amount of data series in flat files. Items in sequence have a non-decreasing index, and may be accessed as a stream going either forward or in reverse. Storage is done as blocks with memory mapped files or streams, and dynamically generated serialization code. Optionally the size of data may be shrunk by storing deltas rather than full values using 7bit number encoding. Requirements: Visual Studio 2010 or later (Might be backported if there is enough interest). This is an open source project. If you want it improved, participate and let your suggestions be heard.
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QUESTION
In my application I have a POCO class called Parameter
which is imported from a .csv file and stored in a mongodb collection. As the POCO class is used in projects outside of my repository project, I do not wish to use ObjectId as Id, which would make it neccessary to add references to MongoDb all over the place, where there should be none. Now, There are two different types of Parameters, non-numerical and numerical. The former have a unique code that may look like this A013
or this 104
, the latter have none, so I thought I might use the code for the non-numerical parameters as Id and well, just anything for the numericals. In the end I tried to get a string representation of a Guid for the sake of simplicity (ha!) by not having to manage any numbers or anything. However, I struggle to get it working.
So here's the result:
...ANSWER
Answered 2018-Mar-17 at 06:58Well, the root of all your problems is that key field (Id
) does not actually play a role of a key: you don't match the items by this field during update (matching by Name
) and you generate the new value for this field each time the object is updated which causes expected problems.
Finally you got a workable solution, but how does this model
QUESTION
I would like to bulk-INSERT/UPSERT a moderately large amount of rows to a postgreSQL database using R. In order to do so I am preparing a multi-row INSERT string using R.
...ANSWER
Answered 2017-Apr-12 at 00:03RPostgreSQL has a "CopyInDataframe" function that looks like it should do what you want:
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