whiteboard | A virtual whiteboard for keeping track of standup items

 by   pivotal-legacy Ruby Version: Current License: MIT

kandi X-RAY | whiteboard Summary

kandi X-RAY | whiteboard Summary

whiteboard is a Ruby library typically used in Productivity applications. whiteboard has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

A virtual whiteboard for keeping track of standup items
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            kandi-support Support

              whiteboard has a low active ecosystem.
              It has 148 star(s) with 80 fork(s). There are 34 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 12 open issues and 11 have been closed. On average issues are closed in 481 days. There are 26 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of whiteboard is current.

            kandi-Quality Quality

              whiteboard has no bugs reported.

            kandi-Security Security

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

            kandi-License License

              whiteboard 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

              whiteboard releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.

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            whiteboard Key Features

            No Key Features are available at this moment for whiteboard.

            whiteboard Examples and Code Snippets

            No Code Snippets are available at this moment for whiteboard.

            Community Discussions

            QUESTION

            A-frame mirror the code in my div on a 2d plane
            Asked 2021-Jun-11 at 21:19
            Problem

            I'm creating a 3d scene using a-frame (https://aframe.io) and I need some sort of way to mirror an html div onto a plane inside a-frame. For example, lets say that there is a div with some code where I can draw on it similar a whiteboard on the bottom left corner of the screen. Everything that I draw on the whiteboard should be mirrored to the a-frame plane. That way I should be able to see my whiteboard drawing in my a-frame scene.

            What I've tried

            I've tried using two components the a-frame html embed component (https://github.com/supereggbert/aframe-htmlembed-component) and the a-frame shader component (https://github.com/mayognaise/aframe-html-shader) and both work for displaying html in my scene on a 2d plane however the 2d plane in my scene doesn't mirror the whiteboard and doesn't update. That means when I draw something on my whiteboard, instead of mirroring onto 2d plane and showing what I've drawn in vr, there is just a whiteboard with nothing drawn on it.

            Problem I need solved and the ideal solution

            I need to be able to create a div in html with a whiteboard or other code on it and have the same html be displayed on a 2d plane in my scene. The 2d html on the plane should update meaning if I draw the letter "a" on my whiteboard, the letter a will appear on the 2d plane in my scene. As long as there is a div where I am able to put my 2d html (my whiteboard) and the div mirrors in vr, that would be the ideal solution. Is there some code that could accomplish this?

            Am I missing something with the two component I've tried that allow me to accomplish this? (Two components: https://github.com/supereggbert/aframe-htmlembed-component and https://github.com/mayognaise/aframe-html-shader) Or maybe a different A-frame component?

            Ideally I am seeking the code for a component that allows me to mirror a div onto a 3d plane in my scene, or recommend a component that allows me to display interactable content on a 2d div.

            ...

            ANSWER

            Answered 2021-Jun-11 at 21:19

            Since your whiteboard uses canvas, you can make use of the aframe canvas component.

            Then at the end of your handleUpdate() function you want to call the component's updateTexture() function to update your aframe texture to the current state of the whiteboard.

            Source https://stackoverflow.com/questions/67827060

            QUESTION

            React App becomes blank when I try to update an array in the state
            Asked 2021-Jun-06 at 23:23

            I am trying to manipulate the images shown in my React App by voice. I implemented the SR, which works fine:

            ...

            ANSWER

            Answered 2021-Jun-06 at 23:23

            Based on the code you've shared, it has to do with how you're updating the state if the transcript is equal to kitten.

            Essentially, the logic you've written says, on render, if the transcript is kitten, update the state. BUT, when you update the state, that will re-render, and hit that logic again... and again... and again. The solution here is to wrap that in a useEffectReact Docs explain it best but in simple terms, you want to "do something" as a side effect of "something else".

            In this case, if the transcript updates, you want to check the state of transcript, and if it meets a condition, you want to update your state:

            Source https://stackoverflow.com/questions/67864327

            QUESTION

            Whiteboard assertion failure on EEPROM write
            Asked 2021-Jun-01 at 09:54

            I'm trying to port the code I wrote on simulator on a HR+ sensor, and I'm facing an issue I didn't have on simulator.
            The code tries to write a quite large buffer (7.5KB) on EEPROM using Whiteboard's EEPROM API by splitting it in 16 bytes long temporary buffers, calling asyncPut and busy waiting for completion (onPutResult sets a flag) before writing the next chunk.
            After a few thousands iteratations (it doesn't always fail at the same iteration) execution stops with this message I'm getting through RTT: 860:Whiteboard.cpp
            I think it's an assertion failure. Are there more info available on this error? What am I doing wrong? Is my approach for writing large amounts of data the right one?

            ...

            ANSWER

            Answered 2021-Jun-01 at 09:54

            ASSERT on line 860 of the Whiteboard.cpp gets triggered when the sensor cannot handle a notification from a subscription in a timely manner. I did notice a "red flag" in your description: "... and busy waiting for completion ..." which is probably the reason for it.

            The Movesense framework is fully asynchronous which means that any kind of busy-looping is strictly forbidden since it prevents normal operation of the sensor (like the above notification handling).

            To avoid busy looping, trigger the next asyncPut in the onPutResult() callback and make sure to specify the AsyncRequestOptions::ForceAsync option to the call.

            Full disclosure: I work for the Movesense team

            Source https://stackoverflow.com/questions/67777458

            QUESTION

            "Drawing" with a totally transparent pen in QT
            Asked 2021-May-31 at 17:20

            I am writing a whiteboard application in QT. I am using a double layer approach, so I have a QPixmap that contains the drawing, and another that contains the background. The drawing pixmap is, unsurprisingly, with an alpha channel.

            Now I wish to implement an eraser tool. This tool should revert, wherever it paints, the pixmap's color to QColor(255, 255, 255, 0) (i.e. - totally transparent). My method of painting, however, does not lend well to that.

            This is my draw routine:

            ...

            ANSWER

            Answered 2021-May-31 at 06:11

            Based on my previous answer I will just translate the code to c++

            Source https://stackoverflow.com/questions/67767783

            QUESTION

            ResourceProvider does not send response if it's too large
            Asked 2021-May-26 at 07:27

            I'm working with Movesense 2.0.0 on Simulator, and I'm implementing my own APIs.
            This is (part of) my YAML with the API specification

            ...

            ANSWER

            Answered 2021-May-26 at 07:27

            The Whiteboard has (to limit resource use on sensor) the maximum packet size which leads to maximum payload size. Currently the WB_MAX_MESSAGE_PAYLOAD_LENGTH is 466 bytes.

            The Whiteboard limitations are defined in the file WhiteboardConfig.h

            Full disclaimer: I work for the Movesense team

            Source https://stackoverflow.com/questions/67691515

            QUESTION

            Error connection refused localhost:5000/user from another device
            Asked 2021-May-21 at 09:12

            I'm trying to make a collaborative whiteboard, where multiple clients connect to the server and each can see what everyone is drawing on the board. The way that it is run is first you have to type in the terminal node server.js to execute the server.js file, which runs on localhost:5000. After that you open a new terminal and then type npm start and it opens the React app on localhost:3000. Now the problem is that my other device tells me GET http://localhost:5000/user net:ERR_CONNECTION_REFUSED when I click on inspect. This is the link to show me JSON data of pictures from the MySQL database. So I cannot see pictures from the database on the whiteboard on different devices. Only on my own device. But the weird thing is that I can only see the JSON data when I explicitly type the IP address and then the port and /user in a different tab. But on the whiteboard itself, it tells me this error and shows me no pictures from the database.

            This is the server.js code:

            ...

            ANSWER

            Answered 2021-May-21 at 08:58

            You are probably binding to 127.0.0.1 which will make your service available to your localhost only. Try binding to 0.0.0.0.

            Specifically here:

            Source https://stackoverflow.com/questions/67633660

            QUESTION

            CodeJam 2021 Qualifier Round Moons and Umbrellas Algorithm Explanation
            Asked 2021-Apr-25 at 05:42

            I was trying to understand the solution to the codejam problem mentioned by the title. Specifically the third part for "extra credits". This is the solution by "kamyu104" from Github.

            ...

            ANSWER

            Answered 2021-Apr-25 at 05:42

            This rather terse code implements a dynamic programming algorithm that has been optimised to reduce the space usage from O(n) to O(1). First I'll describe an equivalent DP and how it can be computed, and then show how the many separate cases it needs to handle can be viewed as instances of a smaller number of more general "case templates", which kamyu's code exploits for concision.

            A correct but verbose DP algorithm

            The question frames the problem as finding a minimum-cost way to replace each "?" character with a J or C, but we can alternatively frame it as finding a minimum-cost way to replace all characters of the input string S, provided that we never change a J to a C or vice versa -- that is, we can imagine ourselves "replacing" an existing J with another J, or an existing C with another C. In fact, that "provided" clause can even be removed: We can get what we want by permitting all possible replacements, including a J to be changed to a C or vice versa, but prevent these undesirable changes from actually appearing in any optimal solution by penalising them with enormous costs.

            Let's define the function f(m, a) to be the minimum cost of a solution to the subproblem consisting of the first m+1 characters of the input string S, under the assumption that we replace the final (i.e., (m+1)-th) character with a, which must be either "J" or "C". (Why m+1 and not m? That just makes code with 0-based array indices simpler.) Replacements that leave this character unchanged (J->J or C->C) are allowed, as are replacements of "?" characters to either J or C. The way we will prevent changing an existing J to a C or vice versa is to assign infinite cost to such a replacement -- this will result in this choice never being taken, since another lower-cost choice is always available.

            We can compute values of f(m, a) as follows. I'll use Python-like pseudocode that writes to a DP matrix dp[][].

            The highest-priority rule is that we should always assign infinite cost to any attempt to change a hardwired letter to the other letter. Other than that, the cost of assigning a particular letter depends on the preceding letter -- unless there is no preceding letter because we are at the very start, in which case we know that the cost is zero:

            Source https://stackoverflow.com/questions/67240898

            QUESTION

            How to detect a rectangle (whiteboard) in an image using opencv?
            Asked 2021-Apr-12 at 13:36

            I have the following image. I want to detect and perspective transform the rectangular whiteboard.

            I want to detect these 4 boundaries/corners and apply a perspective transformation to it. Have a look at the below image:

            I am not able to detect the boundaries of the rectangle. Here's what I have tried:

            ...

            ANSWER

            Answered 2021-Apr-12 at 13:36

            I manage to get the 4 coordinates of the whiteboard. I have used adaptive thresholding to detect the edges rather than canny-edge detection, not sure whether the methodology is correct or not, but it is giving the required results. Here's the code for the same.

            Source https://stackoverflow.com/questions/66985970

            QUESTION

            "DataContext is not set" message on main window
            Asked 2021-Mar-05 at 00:47

            I'm getting the XLS1106 "DataContext is not set" message on my main window XAML in Visual Studio. As far as I can tell, I haven't used anything related to that and nothing is broken. I would just supress the message, but I'm not sure why it's there.

            Here is my whole XAML:

            ...

            ANSWER

            Answered 2021-Mar-05 at 00:47

            The message is a false positive. The fix for the problem is available in the latest preview version of Visual Studio:

            Microsoft Solution - Bhavya Udayashankar [MSFT] Closed - Fixed ···

            A fix for this issue has been released! Install the most recent preview release from https://visualstudio.microsoft.com/downloads/. Thank you for providing valuable feedback which has helped improve the product.

            See issue "XLS1106 on virgin C# WPF .Net application" on the Visual Studio Developer Community site.

            In the simplest applications without any data bindings set up, there is no need for a data context to be set, and the warning given can be safely ignored.

            Note that you should NOT follow the advice of the comment above telling you to add DataContext = this; to the window's constructor for real-world applications. Write a proper view model object type, and create an instance of that to set as your DataContext reference.

            Source https://stackoverflow.com/questions/66484695

            QUESTION

            recording canvas animation playback issue with chromium browsers
            Asked 2021-Feb-13 at 07:46

            If i use the following code to record a canvas animation:

            ...

            ANSWER

            Answered 2021-Feb-13 at 07:46

            Having tried all the plugins like ts-ebml and web-writer, I found the only reliable solution was to upload the video to my server and use ffmpeg with the following command

            Source https://stackoverflow.com/questions/65954387

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

            Vulnerabilities

            No vulnerabilities reported

            Install whiteboard

            You can download it from GitHub.
            On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.

            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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