annoy | Approximate Nearest Neighbors in C++/Python

 by   spotify C++ Version: 1.17.3 License: Apache-2.0

kandi X-RAY | annoy Summary

kandi X-RAY | annoy Summary

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

Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk

            kandi-support Support

              annoy has a medium active ecosystem.
              It has 11472 star(s) with 1099 fork(s). There are 318 watchers for this library.
              There were 1 major release(s) in the last 12 months.
              There are 49 open issues and 334 have been closed. On average issues are closed in 80 days. There are 5 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of annoy is 1.17.3

            kandi-Quality Quality

              annoy has 0 bugs and 0 code smells.

            kandi-Security Security

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

            kandi-License License

              annoy 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

              annoy releases are available to install and integrate.
              It has 1335 lines of code, 132 functions and 22 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

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            kandi's functional review helps you automatically verify the functionalities of the libraries and avoid rework.
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            Get all kandi verified functions for this library.

            annoy Key Features

            No Key Features are available at this moment for annoy.

            annoy Examples and Code Snippets

            Lua code example
            C++dot img1Lines of Code : 22dot img1License : Permissive (Apache-2.0)
            copy iconCopy
            local annoy = require "annoy"
            local f = 3
            local t = annoy.AnnoyIndex(f) -- Length of item vector that will be indexed
            for i = 0, 999 do
              local v = {math.random(), math.random(), math.random()}
              t:add_item(i, v)
            t:build(10) -- 10 trees
            C++dot img2Lines of Code : 4dot img2License : Permissive (Apache-2.0)
            copy iconCopy
              pip install hererocks
              hererocks here --lua 5.1 --luarocks 2.2
              export PATH="$(pwd)/here/bin/:$PATH"
              luarocks make
            C++dot img3Lines of Code : 2dot img3License : Permissive (Apache-2.0)
            copy iconCopy
              luarocks install busted
              busted test/annoy_test.lua
            annoy - precision test
            Pythondot img4Lines of Code : 36dot img4License : Non-SPDX (Apache License 2.0)
            copy iconCopy
            from __future__ import print_function
            import random, time
            from annoy import AnnoyIndex
            except NameError:
                # Python 3 compat
                xrange = range
            n, f = 100000, 40
            t = AnnoyIndex(f, 'angular')
            for i in xrange(n):
                v = []
            annoy - mmap test
            Pythondot img5Lines of Code : 11dot img5License : Non-SPDX (Apache License 2.0)
            copy iconCopy
            from annoy import AnnoyIndex
            a = AnnoyIndex(3, 'angular')
            a.add_item(0, [1, 0, 0])
            a.add_item(1, [0, 1, 0])
            a.add_item(2, [0, 0, 1])
            b = AnnoyIndex(3)
            print(b.get_nns_by_item(0, 100))
            annoy - simple test
            Pythondot img6Lines of Code : 8dot img6License : Non-SPDX (Apache License 2.0)
            copy iconCopy
            from annoy import AnnoyIndex
            a = AnnoyIndex(3, 'angular')
            a.add_item(0, [1, 0, 0])
            a.add_item(1, [0, 1, 0])
            a.add_item(2, [0, 0, 1])
            print(a.get_nns_by_item(0, 100))
            print(a.get_nns_by_vector([1.0, 0.5, 0.5], 100))
            copy iconCopy
            echo $XDG_SESSION_TYPE
            Creating dictionary from text files
            Pythondot img8Lines of Code : 34dot img8License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            txt = """
            you are annoying me so much
            you're incredibly annoying
            I find you annoying
            you are annoying
            you're so annoying
            how annoying you are
            you annoy me
            you are annoying me
            you are irritating
            you are suc
            annoying thread exceptions and is there any way to disable them?
            Pythondot img9Lines of Code : 7dot img9License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            r = req.get("")
               robux_balance = r.json()['RobuxBalance']
            except KeyError:
            sending messages to everyone with discord python bot
            Pythondot img10Lines of Code : 7dot img10License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            for guild in client.guilds:
                for member in guild.members:
                        await member.send("Hello!")
                        pass #incase they have dms off

            Community Discussions


            Disabling Hot Reload for .NET Core project in Visual Studio 2019
            Asked 2022-Mar-31 at 22:10

            Some time ago, a Visual Studio update added a hot reload feature. It be handy, but it also can be annoying especially when you're testing and you don't want to reset the current state of the front end. Visual Studio injects the script whether you're debugging or not.

            How can hot reload be disabled? My Visual Studio version is 16.10.3




            Answered 2021-Aug-27 at 14:23

            You can change this feature here:

            Tools > Options > Projects and Solutions > ASP.NET Core > Auto build and refresh option

            Options to automatically build and refresh the browser if the web server is running when changes are made to the project.

            Your options in this dropdown are the following:

            1. None
            2. Auto build on browser request (IIS only)
            3. Refresh browser after build
            4. Auto build and refresh browser after saving changes

            Also note my version of VS is 16.11.1.



            How to mock the formik useFormikContext hook when writing unit tests with jest
            Asked 2022-Mar-20 at 10:42

            I have a simple component see below, that basically attempts to grab some data from the formik FormContext using the useFormikContext hook.

            However when attempting to write unit tests for this component it wants me to mock the hook which is fine, however, mocking the hook with typescript means returning well over 20 properties most of which are a variety of methods and functions.

            Has anyone found a better way of doing this? Just seems a bit annoying even if I get it to work as I only need 1 field from the hook.




            Answered 2021-Dec-22 at 13:29

            I resolved this issue not 100% sure it is the best solution but have posted here in case it helps anyone with a similar issue.

            I basically overwrote the FormikType allowing me to ignore all of the fields and methods I wasn't using, it clearly has some drawbacks as it is removing the type-safety, but I figured since it was only inside the unit test it is somewhat okay.




            Create-React-App creates this that prevents me from clicking or editing directly the app unless I delete it in the elements browswer editor
            Asked 2022-Mar-17 at 00:14

            I recently did a global install of create-react-app and am having an issue where sometimes, when I'm working on a project, instead of editing directly what I have rendered in , it creates this container around the entire app.

            Upon further inspection it looks like it is an which is rendered in the browswer as this:



            Answered 2022-Jan-21 at 21:43

            So after MUCH research and testing, I finally figured this out and I hope it can save anyone in the same situation I was in 😊

            I have found two solutions that can solve this, one with a .env file that sometimes works, and the other solution is with css that I want to say always will solve this issue.

            Fix #1: .env solution

            In the root folder level (the same level as the .gitignore, package.json,, yarn.lock, /src), create a .env file and include the following in it:



            3 dots above first line while I write code in react in Visual Studio Code, it moves the code and its very annoying
            Asked 2022-Mar-02 at 23:20

            Sorry if it's a simple thing - I really searched for an answer. When I'm coding react or JS in Visual Studio Code, while I'm writing a line with three dots appears/disappears (like saving or compiling but it's not) that moves me down and up the code... I have tried to uninstall every extension but it doesn't fix it. It's really annoying and makes me write on the wrong line. I uploaded a pic to show what I mean!



            Answered 2022-Mar-02 at 23:20

            Try disabling GitLens, I believe the problem started after their latest update:



            process is not defined on hot reload
            Asked 2022-Feb-02 at 19:03

            I have a react app made with create react app, and hot reloading kills the page entirely with the error:



            Answered 2021-Dec-15 at 22:41

            I fixed it. I did 2 things:

            • Updated npm to latest
            • Updated react-scripts to latest

            Not sure which one fixed it.



            Remove ticks / tiny white line from colorbar ggplot2
            Asked 2022-Feb-02 at 18:09

            how to remove that white line from a ggplot2 colourbar?



            Answered 2022-Feb-02 at 15:07

            You can set the ticks.colour= within guide_colorbar() by referencing via guides()... here ya go:



            How to make Kotlin Multiplatform work with Android Studio's project view?
            Asked 2022-Jan-28 at 06:57

            I am trying to build a template of a Multiplatform library module in Android studio that can interoperate seamlessly with other normal Android library and application modules. I've found it's easy enough to make a Multiplatform Android project technically work in terms of compiling, running and publishing artefacts, but one problem I can't seem to solve is getting the source sets to show correctly in the Android project files pane view.

            So you can see in the Project view here, the sources are divided into android, native and common directories and their respective test directories, for a total of six source directories:

            In the Android Project view this is rendered by build targets instead of source file directories, so that this 'typing-sdk' module example has total of 10 different sub-modules. And you'll notice androidMain and androidTest are not among them: instead of being rendered as submodules, their sources fall under an inline kotlin directory instead; you can see the main and test com.demo.typing packages respectively.

            It is a little annoying that every single build target gets its own submodule, when in practice, one will virtually never actually need to use some of these, like 'iosArm64Test' for example. Nevertheless, I can live with redundant submodules. The central problem here is that each of these submodules are populated with the wrong source files.

            So whereas in the file structure, both the common and native sets have their own source files, as you can seen here:

            In the Android Project View, every single submodule contains the Android sources!?

            Either this is a bug in how Android Studio interoperates with the Kotlin Multiplatform Gradle Plugin, or there's something wrong with the Gradle build file I have written, which is this (using Gradle 7.1):



            Answered 2022-Jan-28 at 06:57

            IntellIJ is the recommended IDE to use when it comes to Multiplatform development.

            Android Studio is for more Android Specific things, I don't think Android project view is something JetBrains wants to support, maybe there will be a Kotlin Multiplatform Project View at some point, but not at the moment.

            (If you open a Spring, NodeJS, iOS or any other type of project the Android Project View will similarly seem broken)



            What is the proper way to make an object with unpickable fields pickable?
            Asked 2022-Jan-26 at 00:11

            For me what I do is detect what is unpickable and make it into a string (I guess I could have deleted it too but then it will falsely tell me that field didn't exist but I'd rather have it exist but be a string). But I wanted to know if there was a less hacky more official way to do this.

            Current code I use:



            Answered 2022-Jan-19 at 22:30

            Yes, a try/except is the best way to go about this.

            Per the docs, pickle is capable of recursively pickling objects, that is to say, if you have a list of objects that are pickleable, it will pickle all objects inside of that list if you attempt to pickle that list. This means that you cannot feasibly test to see if an object is pickleable without pickling it. Because of that, your structure of:



            How to avoid fixing extracted methods code snippet at top or bottom of Android Studio
            Asked 2022-Jan-14 at 09:16

            After updating Android Studio to Arctic Fox | 2020.3.1 version, The IDE fixes extracted methods code snippet at top or bottom of screen depending on scrolling direction. As you can see in the image below, it's annoying because it fills a large part of screen.

            Is there any way to avoid showing extracted methods code snippet?



            Answered 2021-Sep-29 at 20:59

            I found an answer here. it fixes the bug at the expense of having popup windows appear whenever you want to refactor something. i should have stayed on 4.2 XD


            credit goes @Chris Clarke.

            maybe this helps reduce your time googling



            Pattern synonyms as overloadable 'smart constructors'
            Asked 2022-Jan-09 at 16:29

            There's a fine tradition of including 'smart constructor' methods in an interface (class):



            Answered 2022-Jan-09 at 16:29

            If you could put pattern synonyms in the class instance, then your solution would be even simpler: you wouldn't need empty or singleton in the class at all as they would be definable in terms of PEmpty and PSingleton. Alas, as you know, this is impossible in the current GHC.

            As is, you can only define functions and types in your class, and without access to constructors (like [] and : in your list example), you need two functions to define a pattern synonym: one for extracting data from the type and one for embedding into it.

            As to your specific points about ugliness, some are unavoidable, but for others, there may be a slightly cleaner approach.

            It's annoying that these need to be explicitly bi-directional patterns; especially since the 'under where' line is so directly comparable to the instance overload.

            Alas, this one is unavoidable. Without access to constructors in the class, you need to use explicitly bidirectional patterns.

            For the empty pattern I have to introduce an explicit (==) test and supporting Eq constraint -- to achieve a simple pattern match. (I suppose I could call an isEmpty method.)

            I personally think your code would be cleaner with an isEmpty method. For what it's worth, you can use a default signature if you like, like:


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


            No vulnerabilities reported

            Install annoy

            You can download it from GitHub.


            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            pip install annoy

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            gh repo clone spotify/annoy

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