baum | Nested Set pattern for Laravel 's Eloquent ORM

 by   etrepat PHP Version: 2.0.0-alpha1 License: MIT

kandi X-RAY | baum Summary

kandi X-RAY | baum Summary

baum is a PHP library. baum has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

A nested set is a smart way to implement an ordered tree that allows for fast, non-recursive queries. For example, you can fetch all descendants of a node in a single query, no matter how deep the tree. The drawback is that insertions/moves/deletes require complex SQL, but that is handled behind the curtains by this package!. Nested sets are appropriate for ordered trees (e.g. menus, commercial categories) and big trees that must be queried efficiently (e.g. threaded posts). See the wikipedia entry for nested sets for more info. Also, this is a good introductory tutorial:
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            kandi-support Support

              baum has a medium active ecosystem.
              It has 2231 star(s) with 465 fork(s). There are 90 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 129 open issues and 126 have been closed. On average issues are closed in 244 days. There are 29 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of baum is 2.0.0-alpha1

            kandi-Quality Quality

              baum has 0 bugs and 0 code smells.

            kandi-Security Security

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

            kandi-License License

              baum is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              baum releases are not available. You will need to build from source code and install.
              Installation instructions, examples and code snippets are available.
              baum saves you 498 person hours of effort in developing the same functionality from scratch.
              It has 1172 lines of code, 205 functions and 17 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed baum and discovered the below as its top functions. This is intended to give you an instant insight into baum implemented functionality, and help decide if they suit your requirements.
            • Updates the tree structure .
            • Map a tree recursively .
            • Validate the bounds of the node .
            • Bootstrap the node .
            • Hooks to hierarchical nodes
            • Reloads the model
            • Rebuild the left and right indexes for this set .
            • Create a new model .
            • Parse the given stub .
            • Run migration command .
            Get all kandi verified functions for this library.

            baum Key Features

            No Key Features are available at this moment for baum.

            baum Examples and Code Snippets

            No Code Snippets are available at this moment for baum.

            Community Discussions

            QUESTION

            generating a Markov chain simulation using a transition matrix of specific size and with a given seed, using the mchmm library
            Asked 2022-Feb-23 at 20:48

            I am trying to generate a Markov simulation using a specific sequence as start, using the mchmm library coded with scipy and numpy. I am not sure if I am using it correctly, since the library also has Viterbi and Baum-Welch algorithms in the context of Markov, which I am not familiar with.

            To illustrate, I will continue with an example.

            ...

            ANSWER

            Answered 2022-Feb-23 at 20:48

            The states in the MarkovChain instance a are 'A', 'B' and 'C'. When the simulate method is given a string for state, it expects it to be the name of one of the states, i.e. either 'A', 'B' or 'C'. You get that error because data[-3:] is not one of the states.

            For example, in the following I use start='A' in the call of simulate(), and it generates a sequence of 10 states, starting at 'A':

            Source https://stackoverflow.com/questions/71239580

            QUESTION

            How to get rid of Series heading (column heading) using Pandas Library in Python
            Asked 2021-Nov-11 at 06:25

            Using pandas Library, I made dictionaries that are nested in a list from file “german_words.csv”. (for Info: “german_words.csv” is file with German words and corresponding English translated words)

            german_words.csv (It's just sample, current file contains thousands of words):

            ...

            ANSWER

            Answered 2021-Nov-11 at 06:25

            Create Series by column Deutsch like index, select column English and then convert to dictionaries:

            Source https://stackoverflow.com/questions/69912099

            QUESTION

            How to iterate over strings in pandas dataframe and remove unwanted words
            Asked 2021-Jun-20 at 17:15

            I am a beginner, so some of the terms you use may go over my head. I'm trying to clean up a Pandas dataframe called names2. It consists of 599,864 rows, 549,317 of them are non-null. In each row under the column in question, 'primary_profession' there is either 1 string, an array of strings or NaN.

            Here is a look at how I loaded the dataframe

            ...

            ANSWER

            Answered 2021-Jun-20 at 05:11

            Try the below code and let us know of the status.

            Source https://stackoverflow.com/questions/68052156

            QUESTION

            How to drop a Pandas DataFrame row if a certain value is in a column
            Asked 2021-Jun-19 at 03:11

            I have a Pandas dataframe with one column, director_name, containing directors of movies and another column, death_year, containing either NaN or a float which describes the year they passed away (example: 1996.00). How do I drop all the rows which possess directors that have died as expressed by a float being in the death_year column?

            ...

            ANSWER

            Answered 2021-Jun-18 at 18:43

            You can use .loc and .notna():

            Source https://stackoverflow.com/questions/68040002

            QUESTION

            Object.entries from json to read out with svelte
            Asked 2021-May-19 at 22:02

            i have a question, i have follow JSON file:

            ...

            ANSWER

            Answered 2021-May-19 at 13:08

            QUESTION

            Azure Function Queue Trigger Connection - can I set this from a variable or specifically Azure Application Configuration?
            Asked 2021-Apr-20 at 15:29

            As simple as I can put it, I have the following:

            ...

            ANSWER

            Answered 2021-Apr-15 at 07:54

            can I set this from a variable or specifically Azure Application Configuration?

            No, It actually gets the value from the environment variable.

            But if it is really necessary, you can import the required configuration into the environment variable when the function starts.

            From your question description, it seems you are developing on Visual Studio, so just set settings in local.settings.json when develop on local. And upload the settings easily by using this:

            Source https://stackoverflow.com/questions/67098505

            QUESTION

            default argument in function for creating a dictionary creates an infinete loop of self references
            Asked 2021-Apr-10 at 22:52

            a have a problem with the following with the following code:

            ...

            ANSWER

            Answered 2021-Apr-10 at 22:52

            Using empty dictionary as defaults are actually bad ideas, mainly because dictionaries are mutable objects, meaning if you accidentally changing the content of the dictionary, it is there to stay (cause reference to object stays the same). See: Why is the empty dictionary a dangerous default value in Python?

            I would suggest changing your populateTree function to something like:

            Source https://stackoverflow.com/questions/67039743

            QUESTION

            Extracting Data from a JSON file to HTML
            Asked 2021-Mar-27 at 14:57

            I am relatively new to extracting data from a JSON file to a HTML page. Please could someone help. When I try to extract data from the file shows.json, it shows up on my page when deployed as 'Undefined'.

            Here is the code that I have used to extract the data from the JSON file and show it on a chosen page.

            HTML:

            ...

            ANSWER

            Answered 2021-Mar-09 at 11:27

            You can loop through the contents of the json using the .map() function.

            Source https://stackoverflow.com/questions/66534472

            QUESTION

            vladimir-yuldashev/laravel-queue-rabbitmq 5.4 requires illuminate/support 5.4.*
            Asked 2020-Oct-09 at 07:06

            I am updating my laravel from 5.5.* to 5.6.0. Upon composer install after updating my composer.json to require laravel 5.6.0 it is showing this:

            vladimir-yuldashev/laravel-queue-rabbitmq 5.4 requires illuminate/support 5.4.* -> satisfiable by laravel/framework[v5.4.36], illuminate/support[v5.4.0, v5.4.13, v5.4.17, v5.4.19, v5.4.27, v5.4.36, v5.4.9].

            And:

            vladimir-yuldashev/laravel-queue-rabbitmq 5.4 requires illuminate/database 5.4.* -> satisfiable by laravel/framework[v5.4.36], illuminate/database[v5.4.0, v5.4.13, v5.4.17, v5.4.19, v5.4.27, v5.4.36, v5.4.9].

            What version of vladimir-yuldashev/laravel-queue-rabbitmq is compatible with l5.6.0? Any help would be deeply appreciated.

            Here is my composer.json file:

            ...

            ANSWER

            Answered 2020-Oct-09 at 07:06

            That would be a 7.0 version I think.

            Source https://stackoverflow.com/questions/64275348

            QUESTION

            Swift Using a UISlider in a UITableViewCell the right way?
            Asked 2020-Sep-11 at 20:03

            I am struggling to properly use UISliders in a UITableViewCell. Here is the Idea:

            • The User can set different Jobs which he needs to fulfil tasks. The amount of different Jobs cannot be known in advance. Lets say for example User1 needs for his Band only Guitarists and Drummers, where someone else needs Guitarists, Drummers, Singers, Keyboarders and so on.

            What I want him to provide is that depending on which Jobs he needs, he can set the amount of people he needs for a specific job. I am using a UISlider in a TableViewCell to let him do this.

            But here comes the trouble:

            (1) The Label under the UISlider doesn't show the right amount while the User drags the Slider (2) The prepareForReuse function doesn't work properly. I want the User to have the Slider back at 0 and the Label showing 0 when a reused Cell gets used. (3) Finally the jobAmountNeeded Array doesn't have the right values stored (or no values at all) and therefore the saved Amounts in Firebase aren't right.

            In my opinion all three Problems are connect to the same source.

            Therefore I would be more than pleased, if someone could help me. :)

            Thanks for your help everyone!

            ...

            ANSWER

            Answered 2020-Sep-11 at 20:03

            Start simpler...

            First, let's add a "current value" property to your SliderClass (I'm calling it a SoloJob class, as it seems more logical):

            Source https://stackoverflow.com/questions/63850330

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

            Vulnerabilities

            No vulnerabilities reported

            Install baum

            Baum works with Laravel 5 onwards. You can add it to your composer.json file with:. Run composer install to install it.
            After the package is correctly installed the easiest way to get started is to run the provided generator:. Replace model by the class name you plan to use for your Nested Set model. The generator will install a migration and a model file into your application configured to work with the Nested Set behaviour provided by Baum. You SHOULD take a look at those files, as each of them describes how they can be customized. Next, you would probably run artisan migrate to apply the migration.

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            About Nested SetsThe theory behind, a TL;DR versionInstallationGetting startedUsageFurther informationContributing
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