zoom | fast datastore and querying engine | JSON Processing library

 by   albrow Go Version: v0.19.1 License: MIT

kandi X-RAY | zoom Summary

kandi X-RAY | zoom Summary

zoom is a Go library typically used in Utilities, JSON Processing applications. zoom has no bugs, it has a Permissive License and it has low support. However zoom has 5 vulnerabilities. You can download it from GitHub.

Because Redis does not allow you to use strings as scores for sorted sets, Zoom relies on a workaround to store string indexes. It uses a sorted set where all the scores are 0 and each member has the following format: value\x00id, where \x00 is the NULL character. With the string indexes stored this way, Zoom can issue the ZRANGEBYLEX command and related commands to filter models by their string values. As a consequence, here are some caveats to keep in mind:.
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            kandi-support Support

              zoom has a low active ecosystem.
              It has 276 star(s) with 24 fork(s). There are 18 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 2 open issues and 15 have been closed. On average issues are closed in 166 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of zoom is v0.19.1

            kandi-Quality Quality

              zoom has no bugs reported.

            kandi-Security Security

              zoom has 5 vulnerability issues reported (0 critical, 3 high, 2 medium, 0 low).

            kandi-License License

              zoom 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

              zoom releases are available to install and integrate.
              Installation instructions, examples and code snippets are available.

            Top functions reviewed by kandi - BETA

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            Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of zoom
            Get all kandi verified functions for this library.

            zoom Key Features

            No Key Features are available at this moment for zoom.

            zoom Examples and Code Snippets

            Visit a zoom level .
            javadot img1Lines of Code : 4dot img1License : Non-SPDX
            copy iconCopy
            @Override
              public void visit(Zoom zoom) {
                LOGGER.info(zoom + " used with Dos configurator.");
              }  
            Visit a zoom level .
            javadot img2Lines of Code : 4dot img2License : Non-SPDX
            copy iconCopy
            @Override
              public void visit(Zoom zoom) {
                LOGGER.info(zoom + " used with Unix configurator.");
              }  

            Community Discussions

            QUESTION

            Magnification Windows API - How to add Smoothing/Anti Aliasing
            Asked 2021-Jun-15 at 20:44

            Context

            Since Windows 10 version 2004 update, the Magnifier windows application was updated. And as with every update, there are some issues with it.

            Since those issues might take a long time to fix, I've decided to implement my own small project full screen magnifier.

            I've been developing in c#, .Net 4.6 using the Magnification API from windows magnification.dll . All went good and well, and the main functionality is now implemented. One thing is missing though, a smoothing Mode for pixelated content... Windows Magnifier implements an anti aliasing/ smoothing to the Zoomed in content.

            I've checked and the Magnification API, doesn't seem to provide that option.

            how do i add smoothing mode to magnifier on windows magnification API?

            I'm aware of pixel smoothing methods, but not familiar with win32 API to know where to hook the smoothing method to, before the screen refreshes.

            EDIT:

            Thanks to @IInspectable answer, after a small search i found this call to the Magnification API in a python project.

            Based on that, I wrote this snippet in my C# application , and it works as intended!

            ...

            ANSWER

            Answered 2021-Jun-15 at 17:03

            There is no public interface in the Magnification API that allows clients to apply filtering (other than color transforms). This used to be possible, but the MagSetImageScalingCallback API was deprecated in Windows 7:

            This function works only when Desktop Window Manager (DWM) is off.

            Even if it is still available, it will no longer work as designed. From Desktop Window Manager is always on:

            In Windows 8, Desktop Window Manager (DWM) is always ON and cannot be disabled by end users and apps.

            With that, you're pretty much out of luck trying to replicate the results of the Magnifier application's upscaler using the Magnification API.

            The Magnifier application appears to be using undocumented API calls to accomplish the upscaling effects. Running dumpbin /IMPORTS magnify.exe | findstr "Mag" lists some of the public APIs, as well as the following:

            • MagSetLensUseBitmapSmoothing
            • MagSetFullscreenUseBitmapSmoothing

            Unless you are willing to reverse-engineer those API calls, you're going to have to spend your time on another project, or look into a different solution.

            A note on the upscaling algorithm: If you look closely you'll notice that the upscaled image doesn't exhibit any of the artifacts associated with smoothing algorithms.

            The image isn't blurred in any way. Instead, it shows sharp edges everywhere. I don't know what upscaling algorithm is at work here. Wikipedia's entry on Pixel-art scaling algorithms lists some that have very similar properties. It might well be one of those, or a modified version thereof.

            Source https://stackoverflow.com/questions/67988506

            QUESTION

            ReactJS: TypeError: Cannot read property 'latitude' of undefined
            Asked 2021-Jun-15 at 18:50

            I am trying to check if latitude and longitude exist in my SQL database, as currently when they are undefined, it leaves my web app blank on load with the following error TypeError: Cannot read property 'latitude' of undefined

            My code was originally

            ...

            ANSWER

            Answered 2021-Jun-15 at 18:36

            Looking at error TypeError: Cannot read property 'latitude' of undefined. My guess is value of device.deviceData is undefined.

            So,Please do verify with console.log(device) if deviceData field exists in device.

            And, to fix above issue you can try

            Source https://stackoverflow.com/questions/67991606

            QUESTION

            How to make map draggable in D3v6
            Asked 2021-Jun-15 at 12:55

            I have a Drilldown world map(continent map + country map) where the second map(the country map) is zoomed-in onload by using fitExtent function. Since it is zoomed-in, I wanted to implement a draggable feature where I can drag the map and see other part of the map.

            ...

            ANSWER

            Answered 2021-Jun-15 at 12:55
            var svg = d3.select("#mapDiv")
                .append("svg")
                .attr("width", width)
                .attr("height", height)
                .style("background-color", "white")
                .style("border", "solid 1px black")
                .call(d3.zoom()
                    .on("zoom", function (event) {
                        svg.attr("transform", event.transform)
                    })
                    .scaleExtent([1, 1])
                )
                .append("g");
            

            Source https://stackoverflow.com/questions/67938213

            QUESTION

            What is the best approach to show only a specific country using OpenLayers 6
            Asked 2021-Jun-14 at 23:23

            So what I want the view to show is only the map of Bulgaria like shown in this picture Bulgaria map

            I want the user to not be able to drag the view outside the boundaries of this picture and after zooming to be able to see the full country but again not be able to go too much outside the country. This is the code I am using for now without the limitations that I need. HTML:

            ...

            ANSWER

            Answered 2021-Jun-14 at 19:06

            If you define the country's extent:

            Source https://stackoverflow.com/questions/67974614

            QUESTION

            How to keep Opengl Scatter Instances size unchanged?
            Asked 2021-Jun-14 at 21:58

            Here is my question, i will list them to make it clear:

            1. I am writing a program drawing squares in 2D using instancing.
            2. My camera direction is (0,0,-1), camera up is (0,1,0), camera position is (0,0,3), and the camera position changes when i press some keys.
            3. What I want is that, when I zoom in (the camera moves closer to the square), the square's size(in the screen) won't change. So in my shader:
            ...

            ANSWER

            Answered 2021-Jun-14 at 21:58

            Sounds like you use a perspective projection, and the formula you use in steps 1 and 2 won't work because VP * vec4 will in the general case result in a vec4(x,y,z,w) with the w value != 1, and adding a vec4(a,b,0,0) to that will just get you vec3( (x+a)/w, (y+b)/w, z) after the perspective divide, while you seem to want vec3(x/w + a, y/w +b, z). So the correct approach is to scale a and b by w and add that before the divde: vec4(x+a*w, y+b*w, z, w).

            Note that when you move your camera closer to the geometry, the effective w value will approach towards zero, so (x+a)/w will be a greater than x/w + a, resulting in your geometry getting bigger.

            Source https://stackoverflow.com/questions/67966029

            QUESTION

            Zoom changed listener
            Asked 2021-Jun-14 at 21:29

            I wonder, Is exists in the flutter_map package v. 0.13.1 some zoom change event listener?

            I try to change stroke width according to zoom size. How can I handle this?

            ...

            ANSWER

            Answered 2021-Jun-14 at 21:29

            You could use the MapOptions property onPositionChanged it is a callback called every time you move on your map, even when you are just zooming. From this callback you could populate a Stream which you would be able to listen.

            Here is my full test code:

            Source https://stackoverflow.com/questions/67968181

            QUESTION

            Why viewer showing broken geometry if the model is loaded partially?
            Asked 2021-Jun-14 at 18:38

            As our forge viewer app sometimes needs to load large model, we are trying partial loading as mentioned here-

            Minimizing Viewer workloads

            Now we are facing a strange problem. When we load a big element(single dbid) and try to rotate or zoom to the item, viewer displaying the item in a very strange way. It's like some parts of the item is cut down. Like this-

            But the item should look like this -

            It's not a problem for some other items of the same model. Could you please tell me what's going on here?

            ...

            ANSWER

            Answered 2021-Jun-14 at 18:38

            I can see some heavy quantization artifacts...

            This Looks like a 'large offset issue' bug.

            Try shifting the model's global offset to the origin, like this article explains: Model aggregating in viewer - coordinate issue

            Source https://stackoverflow.com/questions/67888881

            QUESTION

            Type 'CustomMap' is missing the following properties from type 'Map'
            Asked 2021-Jun-14 at 15:50

            I have created a custom KmlLayer class to which I had to add in a value of the custom map class to the map property similar to this guide here:

            https://developers.google.com/maps/documentation/javascript/examples/layer-kml

            Like so:

            ...

            ANSWER

            Answered 2021-Jun-14 at 15:50

            I believe typescript wants your CustomMap to extend google.maps.Map. But since you seem to be using composition, I guess you'll have to proxy all those methods.

            Source https://stackoverflow.com/questions/67876374

            QUESTION

            Python socket doesn't connect even when I tried all numbers in the range of 0-255
            Asked 2021-Jun-14 at 13:01

            Made a very simple client-server, wanted to check if just by checking 0-255 for the last number in the ip (e.g = '8.8.8.' and then using the numbers 0-255 for the last number). However, when I run it it always pauses on 0 and then it just zooms through numbers 1-255. any idea why?

            Server:

            ...

            ANSWER

            Answered 2021-Jun-14 at 13:01

            You need a fresh socket for each connect:

            Source https://stackoverflow.com/questions/67970607

            QUESTION

            How do I set up navigator using Getx and Auto Route?
            Asked 2021-Jun-13 at 14:28

            Problem: I am having trouble setting up navigation using GetX and AutoRoute.

            Code Setup: According to the GetX documentation, if you want to use GetX navigation you have to replace MaterialApp() with GetMaterialApp(). You also set the routes.

            ...

            ANSWER

            Answered 2021-Jun-13 at 14:28

            You don't need external routing plugin, GetX already did that for you, and if you want to navigate, just use Get.toNamed("/some-page") and it will show you the page you wanted. Same goes to nested route.

            For Example

            Source https://stackoverflow.com/questions/67945471

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

            Vulnerabilities

            No vulnerabilities reported

            Install zoom

            Zoom is powered by Redis and needs to connect to a Redis database. You can install Redis on the same machine that Zoom runs on, connect to a remote database, or even use a Redis-as-a-service provider such as Redis To Go, RedisLabs, Google Cloud Redis, or Amazon Elasticache. If you need to install Redis, see the [installation instructions](http://redis.io/download) on the official Redis website. To install Zoom itself, run go get -u github.com/albrow/zoom to pull down the current master branch, or install with the dependency manager of your choice to lock in a specific version.

            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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