BigMap | big map , use buffer , help | Hashing library

 by   Chunlin-Li JavaScript Version: v0.1.1 License: MIT

kandi X-RAY | BigMap Summary

kandi X-RAY | BigMap Summary

BigMap is a JavaScript library typically used in Security, Hashing applications. BigMap has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can install using 'npm i big-map' or download it from GitHub, npm.

This package provides you with a big map. It uses Buffer as its storage space rather than heap memory. It implemented by node js pure javascript code (ES6), no other dependencies. Its feature is still relatively simple, and performance worse than build-in Object or Map, but sometimes in order to get more space, we have no other choice. Use Buffer implementation does not exist v8 engine heap memory limit of 1.4GB, you can store 4GB, 8GB or more data therein, as long as sufficient physical memory.
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            kandi-support Support

              BigMap has a low active ecosystem.
              It has 18 star(s) with 1 fork(s). There are 2 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              BigMap has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of BigMap is v0.1.1

            kandi-Quality Quality

              BigMap has 0 bugs and 0 code smells.

            kandi-Security Security

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

            kandi-License License

              BigMap 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

              BigMap releases are available to install and integrate.
              Deployable package is available in npm.
              Installation instructions are not available. Examples and code snippets are available.

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            BigMap Key Features

            No Key Features are available at this moment for BigMap.

            BigMap Examples and Code Snippets

            No Code Snippets are available at this moment for BigMap.

            Community Discussions

            QUESTION

            Tooltip in worldmap created via d3.js
            Asked 2021-May-21 at 15:04

            I have created a worldmap using the d3 and now able to create the specific countries to have hover effect , however I have also created the tooltip what I want to do now is to get the country map in the tooltip (the country which is hovered) i have used d3 v4 to do all this.

            I have made changes suggested by CodeSmit but it seems I'm missing a lot of things.

            ...

            ANSWER

            Answered 2021-May-21 at 15:04
            TL;DR:

            The .html method on D3 selections first deletes anything that's already inside those elements before setting the new contents. Thus, to initiate an element's base HTML content with .html, be sure to call it first before adding anything else to the element, and also do not call .html later on, or risk it overwriting anything that was added to it.

            You're close. You've got a number of issues though.

            1. d3-tip Not Used

            You're including the d3-tip library, but you're not making real use of it at all. Because of this, it's adding to the confusion. You have your own

            which is what actually appears. If you don't need the tooltip to float where the cursor is (which is what d3-tip is for), then I'd highly recommend starting by stripping out all your code making use of this library.

            2. Doesn't Make It Into Tooltip

            Your "mouseover" event fails to add the country SVG element for two reasons:

            First, because you're selecting the #tipDiv element which never appears since it's part of the d3-tip code that doesn't get used. To fix this, I think you want to select the div.tooltip element instead. Since you already have the 'tooltip' variable set to this, you don't need d3.select; you can simply do:

            Source https://stackoverflow.com/questions/67580736

            QUESTION

            Fetch data from api on client side instead of on build
            Asked 2021-May-08 at 19:25

            I've tried a bunch of stuff from the Gatsby docs, and have tried messing with the .js page, nothing wants to work.

            Code I want to fetch on client side instead of on build:

            ...

            ANSWER

            Answered 2021-May-08 at 19:25

            I actually ended up resolving this with:

            import React from "react"; import styles from '../styles/styles.scss' import Header from '../components/header'

            export default class FetchObjkts extends React.Component { state = { loading: true, objkts: [] };

            async componentDidMount() { const url = "https://staging.api.tzkt.io/v1/bigmaps/523/keys?value.issuer=tz1V9ZviaGUWZjGx4U7cGYFEyUGyqpFnVGXx&active=true"; const response = await fetch(url); const data = await response.json(); this.setState({ objkts: data, loading: false }); }

            render() { ... }

            Instead of using node for the data, I used useEffect() to fetch from client-side.

            Source https://stackoverflow.com/questions/67441914

            QUESTION

            Attempt at displaying data results in graphql error "Cannot read property 'map' of undefined"
            Asked 2021-May-06 at 20:38

            Here's the code in my gatsby-node.js:

            ...

            ANSWER

            Answered 2021-May-06 at 20:38

            You have a typo. You are querying for edges and node, not nodes. So your code should look like:

            Source https://stackoverflow.com/questions/67419535

            QUESTION

            Api fetch on gatsby producing error in GraphQL
            Asked 2021-May-06 at 01:15

            This is the code I tried in gatsby-node.js, using gatsby develop to interface with graphql... I'm trying to source data from a blockchain indexer to display on my website.

            ...

            ANSWER

            Answered 2021-May-06 at 01:15

            QUESTION

            Java: How to convert a list to HashMap (key being the list) in one line
            Asked 2019-Sep-02 at 13:39

            I have an arraylist of Strings:

            ...

            ANSWER

            Answered 2019-Sep-02 at 13:39

            Use Collectors.toMap():

            Source https://stackoverflow.com/questions/57757941

            QUESTION

            Mapping more strings to one value
            Asked 2018-Feb-26 at 05:07

            I have a constructor that maps the first letter of the words in a text file to all the words that start with that letter and are longer than 3 characters

            ...

            ANSWER

            Answered 2018-Feb-26 at 05:07

            Is this what you want?

            Source https://stackoverflow.com/questions/48980979

            QUESTION

            Map every key starting with the same char to wordlist
            Asked 2018-Feb-25 at 17:49

            How would you code a map so that the initial character of each word maps to the full word?

            Considering a wordlist that contains:

            • albert
            • ben
            • alice
            • cecilia

            The output should be {a=[albert,alice], b=[ben], c=[cecilia]}

            This is what I have right now but I don't understand how to map each key to all the correspondent words.

            The map is of type Map> bigMap;

            ...

            ANSWER

            Answered 2018-Feb-25 at 17:49

            Read all the lines and add it to a List. once that is done you can achieve the task at hand with a groupingBy collector.

            Source https://stackoverflow.com/questions/48976286

            QUESTION

            Why does the constructor handle the exception but I get a "not handled exception error" when I use it
            Asked 2018-Feb-25 at 15:51

            I have two constructors :

            ...

            ANSWER

            Answered 2018-Feb-25 at 15:30

            throws and catch are different. When a method declares in its signature that it throws an exception, the caller has to handle it by either rethrowing it back or by catching it.

            Source https://stackoverflow.com/questions/48975094

            QUESTION

            OSMdroid map source
            Asked 2017-Sep-02 at 22:48

            I have only javascript file that shows osmdroid map source, I used

            String[] OSMSource = new String[1];
            OSMSource[0] = "https://gps.4u.uz:55443/styles/bright-v9/";

            I opened this address, but there is nothing there, but gps.4u.uz is working well.

            But I have empty grid, if I use another source, it works. Please, help me what is wrong. My javascript file only redirection, it was not written for me. That is why, it is difficult for me to fix the problem. Here is my file:

            ...

            ANSWER

            Answered 2017-Sep-02 at 22:48

            osmdroid, the android library for maps, natively works with the Z/X/Y tile coordinate reference system, which is the same used as

            • openstreetmaps.org
            • google maps (static tiles)
            • bing
            • mapquest
            • mapbox
            • certain USGS sources
            • and many more

            The url pattern for most of this is nearly universally, http://server:port/path/zoom/x/y.png

            See the openstreetmap wiki about what the coordinates mean here: http://wiki.openstreetmap.org/wiki/Slippy_Map

            Long story short, the easiest way to solve your problem using osmdroid is the following: mMapView.setTileSource(new XYTileSource( "bright-v9",0,22,256,"", new String[]{"https://gps.4u.uz:55443/styles/bright-v9/"} ));

            Source https://stackoverflow.com/questions/46012045

            QUESTION

            GSL+OMP: Thread safe random number generators in C++
            Asked 2017-Jul-18 at 17:14

            I have a code in which I am trying to execute in parallel.

            ...

            ANSWER

            Answered 2017-Jul-18 at 17:14

            There are multiple issues here.

            Using omp_get_num_threads out of parallel regions

            Outside of a parallel region, omp_get_num_threads() always returns 1. Use omp_get_max_threads() instead, it will return the number of threads for any upcoming parallel region unless manually overridden. Especially threadvec has only one entry.

            Don't initialize the environment in a parallel region

            Calling gsl_rng_env_setup in a parallel region won't work properly. Also you are trying to allocate the whole vector of rngs by all threads... Simply remove the parallel region and use omp_get_max_threads() correctly. Or you could also do:

            Source https://stackoverflow.com/questions/45171623

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

            Vulnerabilities

            No vulnerabilities reported

            Install BigMap

            You can install using 'npm i big-map' or download it from GitHub, npm.

            Support

            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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