collectable | performance immutable data structures for modern JavaScript | Dataset library

 by   frptools TypeScript Version: v0.31 License: MIT

kandi X-RAY | collectable Summary

kandi X-RAY | collectable Summary

collectable is a TypeScript library typically used in Artificial Intelligence, Dataset applications. collectable has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

An all-you-can-eat buffet of high-performance, persistent, immutable, functional data structures. Collect them all!. Note: This library is an ongoing work in progress. The data structures mentioned below are all working nicely, but will probably have additional methods introduced as time goes on, and there may be some breaking changes in future versions when work commences to iron out API inconsistencies between data structures. Documentation is also somewhat lacking and out of date, but take a look at the functions folder for each data structure package, which is almost as good as actual documentation, due to the one-operation-per-file policy, and the comprehensive TypeScript annotations.
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            kandi-support Support

              collectable has a low active ecosystem.
              It has 260 star(s) with 15 fork(s). There are 10 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 22 open issues and 36 have been closed. On average issues are closed in 34 days. There are 16 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of collectable is v0.31

            kandi-Quality Quality

              collectable has no bugs reported.

            kandi-Security Security

              collectable has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              collectable 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

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

            Top functions reviewed by kandi - BETA

            kandi's functional review helps you automatically verify the functionalities of the libraries and avoid rework.
            Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of collectable
            Get all kandi verified functions for this library.

            collectable Key Features

            No Key Features are available at this moment for collectable.

            collectable Examples and Code Snippets

            No Code Snippets are available at this moment for collectable.

            Community Discussions

            QUESTION

            Lua C - Is there a way to keep a value in C, but still have it not garbage collected?
            Asked 2021-Apr-30 at 20:22

            I am creating a thread in lua c, but i want to keep it just in C, without making it a variable in the environment/etc. But when i throw away the thread value that gets pushed by lua_newthread, it gets garbace collected shortly after, and so becomes useless. In this thread i want to run arbitrary lua code passed by the user, allowing them to use the exclusive functions/variables that are isolated from other threads.

            Is there a way to mark a thread/userdata/table value as non-garbage-collectable?

            ...

            ANSWER

            Answered 2021-Mar-25 at 20:43

            No, you have to reference it somewhere or disable GC. Use lua_ref to reference is in mostly-hidden place: registry. (debug.getregistry())

            Source https://stackoverflow.com/questions/66807244

            QUESTION

            How do you fix a memory leak within Django tests?
            Asked 2021-Mar-23 at 13:01

            Recently I started having some problems with Django (3.1) tests, which I finally tracked down to some kind of memory leak. I normally run my suite (roughly 4000 tests at the moment) with --parallel=4 which results in a high memory watermark of roughly 3GB (starting from 500MB or so). For auditing purposes, though, I occasionally run it with --parallel=1 - when I do this, the memory usage keeps increasing, ending up over the VM's allocated 6GB.

            I spent some time looking at the data and it became clear that the culprit is, somehow, Webtest - more specifically, its response.html and response.forms: each call during the test case might allocate a few MBs (two or three, generally) which don't get released at the end of the test method and, more importantly, not even at the end of the TestCase.

            I've tried everything I could think of - gc.collect() with gc.DEBUG_LEAK shows me a whole lot of collectable items, but it frees no memory at all; using delattr() on various TestCase and TestResponse attributes and so on resulted in no change at all, etc.

            I'm quite literally at my wits' end, so any pointer to solve this (beside editing the thousand or so tests which use WebTest responses, which is really not feasible) would be very much appreciated.

            (please note that I also tried using guppy and tracemalloc and memory_profiler but neither gave me any kind of actionable information.)

            Update

            I found that one of our EC2 testing instances isn't affected by the problem, so I spent some more time trying to figure this out. Initially, I tried to find the "sensible" potential causes - for instance, the cached template loader, which was enabled on my local VM and disabled on the EC2 instance - without success. Then I went all in: I replicated the EC2 virtualenv (with pip freeze) and the settings (copying the dotenv), and checked out the same commit where the tests were running normally on the EC2.

            Et voilà! THE MEMORY LEAK IS STILL THERE!

            Now, I'm officially giving up and will use --parallel=2 for future tests until some absolute guru can point me in the right directions.

            Second update

            And now the memory leak is there even with --parallel=2. I guess that's somehow better, since it looks increasingly like it's a system problem rather than an application problem. Doesn't solve it but at least I know it's not my fault.

            Third update

            Thanks to Tim Boddy's reply to this question I tried using chap to figure out what's making memory grow. Unfortunately I can't "read" the results properly but it looks like some non-python library is actually causing the problem. So, this is what I've seen analyzing the core after a few minutes running the tests that I know cause the leak:

            ...

            ANSWER

            Answered 2021-Mar-23 at 13:01

            First of all, a huge apology: I was mistaken in thinking WebTest was the cause of this, and the reason was indeed in my own code, rather than libraries or anything else.

            The real cause was a mixin class where I, unthinkingly, added a dict as class attribute, like

            Source https://stackoverflow.com/questions/66720626

            QUESTION

            How to connect my collectable items with the random generator and use a list of words for generating in UNITY 2D
            Asked 2020-Dec-18 at 03:33

            I have a script for random word generating:

            ...

            public TextMeshPro largeText;

            ...

            ANSWER

            Answered 2020-Dec-18 at 03:33

            In your OnTriggerEnter script you can store the letters in an List like this,

            Source https://stackoverflow.com/questions/65350277

            QUESTION

            Syntax error when creating an object in a p5js sketch
            Asked 2020-Dec-09 at 12:12

            I am trying to create a background scenery with objects cloud, mountain, tree, canyon etc. Everything is going well, except when I reached creating the cloud object. I have declared the var cloud for the cloud object and initialized the values of the coordinates of cloud in the setup function as cloud = (pos_x: 200, pos_y: 70, diameter: 130);. However, when I try to create the cloud object with the ellipse shape in the draw() function as mentioned below, it gives me 2 problems:

            1. I do not get the autofill cloud.pos_x when I enter cloud. in the ellipse();
            2. Error *sketch.js:23 Uncaught Syntax Error: Unexpected token ':'* (dot on top of each other), after I run the code.

            I hope I have given you enough details to understand the issue. Thank you.

            ...

            ANSWER

            Answered 2020-Dec-09 at 12:12

            You have a syntax error which tells you that you used some invalid character. Here it is because you don't create an object with (...) but with {...}.

            Replacing

            Source https://stackoverflow.com/questions/65216160

            QUESTION

            How to debug GC in PyPy?
            Asked 2020-Nov-17 at 14:54

            I've been trying to switch from CPython to PyPy recently, and while trying to solve a bug, more precisely an error 139 with SIGSEGV signal (so a Segmentation Fault), I tried to investigate the garbage collection through the GC module by looking at the gc.garbage attribute list.

            In CPython, I could for example run the following piece of code (taken from there with modifications) to check lingering objects in the GC garbage list:

            ...

            ANSWER

            Answered 2020-Nov-17 at 14:14

            It's not possible to do what you're trying to do. Even on CPython, the list gc.garbage will by far not contain all objects that are reclaimed, even if you enable debug mode, but only the ones that have been found to be in cycles. That's unlikely to be relevant to anyone except the authors of the cycle-finding logic itself. And on PyPy, the notion of "being in a cycle" is even less relevant; as you have probably understood already from the various links you point to, PyPy's GC is quite different.

            No, there is no way to inspect all objects that are dying. In fact PyPy's GC is optimized for objects that die young, and for all of these (which are typically 80%-90% of all objects in a program) then the structure of the GC is such that there is no way to even know what the dying objects are. These 80%-90% of objects occupy space that is reclaimed in bulk, not one by one.

            In all likelihood, you're looking at your problem from the wrong end. If you can describe a bit more what your problem is, we can try to come up with better solutions. In the meantime, note that you can run pypy -X faulthandler to get at least some kind of traceback when you get a segfault.

            Source https://stackoverflow.com/questions/64875327

            QUESTION

            Best practice for pulling bulk data from api and storing in database
            Asked 2020-Nov-15 at 07:22

            I have written a small application in ASP.NET Core to create and manage collections of cards for a collectable card game. I currently have a version that successfully downloads bulk card data via API call, parses the JSON response, and loads it into local SQL Server database. I then use the local data to add the cards to the collections, lookup prices, etc. As an academic exercise, I'm deliberately overcomplicating the design of this as if it were a large scale enterprise application since I really have no reason to build it other than to learn more about programming, so I'm wondering about best practices for something like this?

            Currently I have the application broken into four projects: an API client for pulling the card data from the external API, a data access/domain layer using EF Core and SQL server, a service layer that orchestrates everything, and a Blazor Server UI. The main thing that I'm struggling with is that my service layer is dependent on both the API client and the DBContext, so I'm wondering if there's a good way to consolidate the dependencies, since the data from both sources are mapped to the same domain objects.

            From what I've been reading, it seems like setting up a repository would be a good option and is common when there are multiple data sources being utilized. I have a 2nd version with repositories for accessing the local database but I'm not sure how to introduce the external API calls into this version. I think I could create separate implementations of the Card Repository Interface, one to access my local SQL database and another to access the external API but I'm not sure how the application would know when I need one or the other if I'm using dependency injection.

            For example, periodically I want to check for updated card data from the external API and update my database with the new data, but for the most part I'll be reading the card data from the local database for managing the collections. Any advice on how to approach this? I can give code examples if needed. Thanks.

            ...

            ANSWER

            Answered 2020-Nov-15 at 06:06

            Try limiting the number of sources you are pulling from that requires the logic to execute. Could you combine your data? Try streamlining your logic. Check this link out. It's for scanning changes in an SQL server.

            Check for changes to an SQL Server table?

            Source https://stackoverflow.com/questions/64841534

            QUESTION

            providing factory methods to other classes
            Asked 2020-Nov-04 at 15:50

            I want to create a GenericCollection class which is instantiated using another class as a template ("objects") and then performs task on it, such as loading objects from a database. My Collection basically looks like this:

            ...

            ANSWER

            Answered 2020-Nov-04 at 15:50

            With either a trait or an abstract class, you could instantiate static instead of self:

            Trait

            Source https://stackoverflow.com/questions/64679450

            QUESTION

            Rust Collect Hashmap from Iterator of Pairs
            Asked 2020-Jul-31 at 02:21

            We have a HashMap, over which we iterate and map to replace the values, but are running into an issue collecting that back to a new HashMap with different value type.

            ...

            ANSWER

            Answered 2020-Jul-30 at 13:52

            The issue is that iter() (docs) returns a 'non-consuming' iterator which hands out references to the underlying values ([1]). The new HashMap cannot be constructed using references (&String), it needs values (String).

            In your example, some_conversion seems to return a new String for the value part, so applying .clone() to the key would do the trick:

            Source https://stackoverflow.com/questions/63173420

            QUESTION

            GameObject property value not resetting on game restart
            Asked 2020-Jul-03 at 08:01

            Overview
            Consider a simple coin collecting game. There are two scripts, CollectableItem and ItemVault. The CollectableItem has a value property which tells the item's worth and it is added to the coin prefab. The ItemVault has a CurrentAmount property which stores the total value of collected coins and it is added to the player prefab.

            Problem
            The value of CurrentAmount property of ItemVault object does not reset on game restart inside Unity Editor.

            Code

            CollectableItem.cs

            ...

            ANSWER

            Answered 2020-Jul-03 at 08:01

            First of all:

            Make sure in _vault you are actually referencing an existing object reference in the scene, not a prefab asset - otherwise, yes you will be executing the method on the prefab instead which will not be reset on Scene load / Exiting PlayMode.

            You can confirm that by starting PlayMode and then in the Hierarchy click once on the vault slot in the Inspector. This will highlight the referenced object either in the Hierarchy (expected) or in the Assets (should not happen!).

            If this didn't help then your problem might be a timing issue.

            If your CollectableItem.Start is executed before ItemVault.Start got its chance to execute you might see different values.

            I usually go with the thumb-rule

            • Awake: Initialize yourself, so anything that does not depend on others
            • Start: Now access values of other components which have already been initialized in Awake

            So In your case I would do

            Source https://stackoverflow.com/questions/62710123

            QUESTION

            Unity2D how to identify different sprites under the same tag?
            Asked 2020-Jun-15 at 03:04

            For example, I have coins and crystals as my two different sprites. Because they are collectable so I marked both of them as "Collection" in the tag section. So how do I identify each sprite when they are under the same tag? Thanks.

            Sorry for any bad grammars since I'm not an English speaker.

            ...

            ANSWER

            Answered 2020-Jun-15 at 01:20

            If you are currently identifying them using something like gameObject.tag.Equals("Collection") then you could differentiate them by using gameObject.name.Equals("Coin") e.g

            Source https://stackoverflow.com/questions/62378038

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

            Vulnerabilities

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