elephant | Persistence library that provides common data structures | SQL Database library

 by   takenet C# Version: 0.10.30 License: Apache-2.0

kandi X-RAY | elephant Summary

kandi X-RAY | elephant Summary

elephant is a C# library typically used in Database, SQL Database applications. elephant has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Today's applications store data in different places like the own process memory, SQL databases, Redis, and other NoSQL databases. Usually, the developer uses distinct code patterns for each one of these storage engines. For memory storage, primitives and simple data structures are used, like lists and hashes. And for SQL databases, the most common pattern is the repository + unit of work. While this seems like the right thing to do (since you cannot perform advanced queries on a Redis database - for instance), sometimes the developer doesn't need the specific capabilities of that engine, and so there's no need to implement the storage engine specific pattern instead of using simple data structures. For instance, there's no semantic difference between a repository GetById method and a Dictionary (hash table) TryGetValue method. But even if the application only uses the first method, probably the developer will implement something like the repository pattern for SQL data access. But what happens if the persistence layer needs to be moved to Redis or Elasticsearch? Probably, the developer will implement the repository pattern for the target engine, leaving empty some methods that are not supported (like queries on Redis). Or maybe, they will need to refactor the code that uses the storage class... The idea behind this library is to expose a common layer that can be used with multiple storage engines, while isolating the specific capabilities of each one, allowing the developer to compose the application storage infrastructure accordingly to its needs. It starts from common data structures, expanding according to the capabilities of each target engine.
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            kandi-support Support

              elephant has a low active ecosystem.
              It has 50 star(s) with 21 fork(s). There are 37 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 3 open issues and 4 have been closed. On average issues are closed in 48 days. There are 7 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of elephant is 0.10.30

            kandi-Quality Quality

              elephant has 0 bugs and 0 code smells.

            kandi-Security Security

              elephant has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              elephant code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              elephant is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              elephant releases are not available. You will need to build from source code and install.
              Installation instructions, examples and code snippets are available.

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            elephant Key Features

            No Key Features are available at this moment for elephant.

            elephant Examples and Code Snippets

            No Code Snippets are available at this moment for elephant.

            Community Discussions

            QUESTION

            How can I use struct efficiently in my quiz?
            Asked 2021-Jun-11 at 10:34

            I'm trying to create a simple quiz with struct. But my program here is very repetitive. How can I modify it and make it more efficient? Especially to check if the answers are correct I do not want to declare a separate variable and store it as int correct. Thank You.

            ...

            ANSWER

            Answered 2021-Jun-11 at 09:50

            The only thing you can do is define the correct variable in the struct itself. You can use a loop for decreasing the repetitiveness but obviously the question and the answers will have to be stored, it cannot be simplified further.

            Source https://stackoverflow.com/questions/67934693

            QUESTION

            Compare arrays in PostgreSQL
            Asked 2021-Jun-08 at 17:51

            I have a table in postgres with a value column that contains string arrays. My objective is to find all arrays that contain any of the following strings: {'cat', 'dog'}

            ...

            ANSWER

            Answered 2021-Jun-08 at 17:51

            You can use && operator to find out whether two array has been overlapped or not. It will return true only if at least one element from each array match.

            Source https://stackoverflow.com/questions/66604682

            QUESTION

            R: How to search a character string using target and replacement words stored in a separate dataframe?
            Asked 2021-Jun-06 at 20:42

            Start with an input character string like this: goats <- c("he gets her goat. they get her dog. i get my elephant.")

            My goal is to gsub a list of search and replacement terms from a separate dataframe applied to the original chr string object (goats). Here is a very simplified example of what such a dataframe will look like.

            The problem with my regex syntax is that it stops after the first row of the target list is applied to the text object. I would like to continue to loop through the target list until all terms have been exhausted. I tried:

            ...

            ANSWER

            Answered 2021-Jun-06 at 02:02

            There are some issues in the for loop -

            • 1:seq_along(targlist$target) is incorrect. seq_along(targlist$target) already gives you the index to iterate over.
            • You should subset targlist$target and targlist$replacement in the loop with the row index i.e i.
            • In the loop goats is not changing at all, you should apply gsub on newgoat instead.

            Source https://stackoverflow.com/questions/67855198

            QUESTION

            NullpointerException error while working with choiceBox and arrays
            Asked 2021-Jun-06 at 09:30

            I am trying to get two different choice box to work at the same time However I am getting a nullpointer error in the initialize method. which is kind of weird cuz I am trying to initialize what is in the choice box but the IDE is giving me a nullpointer exception.

            this is my code

            ...

            ANSWER

            Answered 2021-Jun-06 at 08:01

            The issue is that you never say new ChoiceBox, so when you reference them with inputPieceType.getItems().addAll(pieces); or inputPieceAllience.getItems().addAll(allience); on line 62 they are calling methods for an item that was never created.

            You could do something like this to initialize the objects:

            Source https://stackoverflow.com/questions/67856837

            QUESTION

            How can I resolve "The argument type 'Object?' can't be assigned to the parameter type 'String'.dart(argument_type_not_assignable)"?
            Asked 2021-Jun-05 at 20:09

            I am trying to access the values of questionText from questions. When I am trying to extract String values from a map, the following error is displayed on Flutter. (The code is written in Dart):

            The argument type 'Object?' can't be assigned to the parameter type 'String'.dart(argument_type_not_assignable)

            Error:

            This is my main.dart file:

            ...

            ANSWER

            Answered 2021-Jun-05 at 20:09

            You need to let dart know the type of questions[_questionIndex]['questionText']

            Try this:

            Change questions[_questionIndex]['questionText']

            to questions[_questionIndex]['questionText'] as String

            In the error line

            Source https://stackoverflow.com/questions/67853012

            QUESTION

            Building Heatmap with two separate series having "Year" and "Month" information
            Asked 2021-Jun-04 at 21:25

            I am working on a dataset

            ...

            ANSWER

            Answered 2021-Jun-04 at 21:25

            Just fill the titles_count with 1 first, since they denote 1 count per row.

            Source https://stackoverflow.com/questions/67843385

            QUESTION

            Python game with list of dictionaries/ each question has 2 parts
            Asked 2021-Jun-02 at 00:07

            I have a list of dictionaries with questions. Need to loop over the dictionaries one at a time, can be done randomly as well. Each question has 2 parts and need to go through them separately.

            For example: question - 'Am I dog?' if the user answers 'yes', they should get 'bark', if they answer 'no', they should get 'what am I?'.

            The code is as follows:

            ...

            ANSWER

            Answered 2021-Jun-02 at 00:05

            This should work. i is a dictionary itself so I did a key look-up with i.

            Source https://stackoverflow.com/questions/67797331

            QUESTION

            How to print out a list of strings in Python functions?
            Asked 2021-May-30 at 17:24

            I'm writing a function called apply_to_list by using the existing function sort_words to take a list of string and print each of them out in an alphabetical order. Currently, the output I have is not in a list and each string is not inside quotation marks.

            Expected: Turn ["banana apple", "cat elephant dog"] into ["apple banana", "cat dog elephant"]

            My output:

            ...

            ANSWER

            Answered 2021-May-30 at 17:23

            I'd say that when you try and join strings in sort_words you are converting a list into a string and therefor your returned value won't be a list. So instead I say you create list of the returned values of sort_words.

            I've shown how this can be possible below

            Source https://stackoverflow.com/questions/67763830

            QUESTION

            How to stop previous song after clicking next images by using JavaScript
            Asked 2021-May-28 at 09:12

            I am Trying to make a simple game like there are so many animals images are there. I want to play a song after clicking on images. I have done that. But problem is after clicking next images the first images song should be stop then next image song will be continued. Here is the sample cide

            ...

            ANSWER

            Answered 2021-May-28 at 09:12

            Have you tried audio.pause() before you reassign the audio variable?

            This command may return an error the first time it's done, since audio hasn't been declared yet, but you can fix that by doing if(audio) audio.pause().

            Source https://stackoverflow.com/questions/67735908

            QUESTION

            Extract field name into new object using JQ
            Asked 2021-May-27 at 15:27

            Spring provides information about the environment at the env-endpoint. I would like to simplify the output, which looks something like this:

            ...

            ANSWER

            Answered 2021-May-27 at 13:51

            You can simply add properties objects, though in order go get that output in return you need to take value fields out too.

            Source https://stackoverflow.com/questions/67722229

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install elephant

            C# 8.0
            .NET Core 3.1

            Support

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            https://github.com/takenet/elephant.git

          • CLI

            gh repo clone takenet/elephant

          • sshUrl

            git@github.com:takenet/elephant.git

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