fc | High-level canvas for the fyne package | Computer Vision library

 by   ajstarks Go Version: Current License: Non-SPDX

kandi X-RAY | fc Summary

kandi X-RAY | fc Summary

fc is a Go library typically used in Artificial Intelligence, Computer Vision applications. fc has no bugs, it has no vulnerabilities and it has low support. However fc has a Non-SPDX License. You can download it from GitHub.

There are methods for Text (begin, centered, and end aligned), Circles, Lines, Rectangles, and Images.
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            kandi-support Support

              fc has a low active ecosystem.
              It has 32 star(s) with 2 fork(s). There are 2 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 0 open issues and 1 have been closed. On average issues are closed in 1 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of fc is current.

            kandi-Quality Quality

              fc has 0 bugs and 0 code smells.

            kandi-Security Security

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

            kandi-License License

              fc has a Non-SPDX License.
              Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

            kandi-Reuse Reuse

              fc 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.
              It has 1604 lines of code, 106 functions and 34 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed fc and discovered the below as its top functions. This is intended to give you an instant insight into fc implemented functionality, and help decide if they suit your requirements.
            • ColorLookup looks up a color for a string s .
            • DataRead reads Chart data .
            • readData reads egrid data from r .
            • AbsLine adds a line to the container .
            • Cloud draws a circle .
            • dotgrid builds a dotgrid from a step
            • Main draws an absolute path
            • process displays the election data
            • showtitle shows the title of the given string .
            • NewCanvas returns a new Canvas
            Get all kandi verified functions for this library.

            fc Key Features

            No Key Features are available at this moment for fc.

            fc Examples and Code Snippets

            No Code Snippets are available at this moment for fc.

            Community Discussions

            QUESTION

            React 18 TypeScript children FC
            Asked 2022-Apr-09 at 23:47

            I upgraded to React 18 and things compiled fine. Today it seems every single component that uses children is throwing an error. Property 'children' does not exist on type 'IPageProps'.

            Before children props were automatically included in the FC interface. Now it seems I have to manually add children: ReactNode. What is the correct typescript type for react children?

            Is this part of the React 18 update, or is something screwed up in my env?

            package.json

            ...

            ANSWER

            Answered 2022-Apr-07 at 20:34

            It looks like the children attribute on the typescript typings were removed.

            I had to manually add children to my props; There is probably a better solution to fix this, but in the interim, this works.

            Source https://stackoverflow.com/questions/71788254

            QUESTION

            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.

            Component

            ...

            ANSWER

            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.

            Import

            Source https://stackoverflow.com/questions/69936547

            QUESTION

            Type error in getting route params within nested navigator using Typescript [react-navigation v6]
            Asked 2022-Mar-10 at 21:14

            Having a navigation type definition as bellow, when I navigate from e.g AOne to BTwo with id:99 the console log of props.route.params shows correct info. But props.route.params.id throws type error

            TypeError: undefined is not an object (evaluating 'props.route.params.id')

            ...

            ANSWER

            Answered 2022-Mar-10 at 21:14

            The problem is with Props which is a CompositeScreenProp and that is for the following use case:

            when you nest navigators, the navigation prop of the screen is a combination of multiple navigation props. For example, if we have a tab inside a stack, the navigation prop will have both jumpTo (from the tab navigator) and push (from the stack navigator). To make it easier to combine types from multiple navigators, you can use the CompositeScreenProps type

            It is explicitly used for typing the navigation prop. That is why the typing (including autocompletion) works for navigate. We can check how this works step by step. The navigate function receives the screen to which it should navigate.

            This is typed using the CompositeScreenProp! By specifying the screen in the params prop, it can extract the type of the props from the CompositeScreenProps. We can test this as well by not specifying the screen.

            Clearly, the Typescript compiler can not extract the type information here.

            Hence, using the construction React.FC does not extract the type information for the BTwo props. This is a react-native construction. It has nothing to do with react-native-navigation.

            It is specified in the react-native-navigation documentation on how to type the props of a screen in the Type checking screens​ section and this does not differ from typing a normal Javascript function using Typescript. A react-native functional component is, loosely speaking, a JS function that returns a JSX component. It is typed the usual way.

            Source https://stackoverflow.com/questions/71374343

            QUESTION

            How can I use groupby with multiple values in a column in pandas?
            Asked 2022-Mar-08 at 21:44

            I've a dataframe like as follows,

            ...

            ANSWER

            Answered 2022-Feb-22 at 20:00

            I think actually a more efficient way would be to sort by Brand and then Year, and then use interpolate:

            Source https://stackoverflow.com/questions/71226654

            QUESTION

            sorting function not working in react table
            Asked 2022-Feb-28 at 03:42

            So am trying to add sorting my react table component, i have wrote two functions one for sorting in ascending or and the other one for sorting in descending order and want it to fire on onClick but it just doesn't seems to work, i don't know what am doing wrong in the code. Here is my code:

            ...

            ANSWER

            Answered 2022-Feb-27 at 15:02

            Looks like you're not actually calling the ascOrder and descOrder functions. You are defining inline functions that return those functions. Instead, try this:

            Source https://stackoverflow.com/questions/71279636

            QUESTION

            Wrong result of multiplication: Undefined behavior or compiler bug?
            Asked 2022-Feb-18 at 23:52
            Background

            While debugging a problem in a numerical library, I was able to pinpoint the first place where the numbers started to become incorrect. However, the C++ code itself seemed correct. So I looked at the assembly produced by Visual Studio's C++ compiler and started suspecting a compiler bug.

            Code

            I was able to reproduce the behavior in a strongly simplified, isolated version of the code:

            sourceB.cpp:

            ...

            ANSWER

            Answered 2022-Feb-18 at 23:52

            Even though nobody posted an answer, from the comment section I could conclude that:

            • Nobody found any undefined behavior in the bug repro code.
            • At least some of you were able to reproduce the undesired behavior.

            So I filed a bug report against Visual Studio 2019.

            The Microsoft team confirmed the problem.

            However, unfortunately it seems like Visual Studio 2019 will not receive a bug fix because Visual Studio 2022 seemingly does not have the bug. Apparently, the most recent version not having that particular bug is good enough for Microsoft's quality standards.

            I find this disappointing because I think that the correctness of a compiler is essential and Visual Studio 2022 has just been released with new features and therefore probably contains new bugs. So there is no real "stable version" (one is cutting edge, the other one doesn't get bug fixes). But I guess we have to live with that or choose a different, more stable compiler.

            Source https://stackoverflow.com/questions/70823697

            QUESTION

            A problem with sound producing: How to make sound with Fourier coefficients
            Asked 2022-Feb-04 at 23:39

            I'm trying to create a sound using Fourier coefficients.

            First of all please let me show how I got Fourier coefficients.

            (1) I took a snapshot of a waveform from a microphone sound.

            • Getting microphone: getUserMedia()
            • Getting microphone sound: MediaStreamAudioSourceNode
            • Getting waveform data: AnalyserNode.getByteTimeDomainData()

            The data looks like the below: (I stringified Uint8Array, which is the return value of getByteTimeDomainData(), and added length property in order to change this object to Array later)

            ...

            ANSWER

            Answered 2022-Feb-04 at 23:39

            In golang I have taken an array ARR1 which represents a time series ( could be audio or in my case an image ) where each element of this time domain array is a floating point value which represents the height of the raw audio curve as it wobbles ... I then fed this floating point array into a FFT call which returned a new array ARR2 by definition in the frequency domain where each element of this array is a single complex number where both the real and the imaginary parts are floating points ... when I then fed this array into an inverse FFT call ( IFFT ) it gave back a floating point array ARR3 in the time domain ... to a first approximation ARR3 matched ARR1 ... needless to say if I then took ARR3 and fed it into a FFT call its output ARR4 would match ARR2 ... essentially you have this time_domain_array --> FFT call -> frequency_domain_array --> InverseFFT call -> time_domain_array ... rinse N repeat

            I know Web Audio API has a FFT call ... do not know whether it has an IFFT api call however if no IFFT ( inverse FFT ) you can write your own such function here is how ... iterate across ARR2 and for each element calculate the magnitude of this frequency ( each element of ARR2 represents one frequency and in the literature you will see ARR2 referred to as the frequency bins which simply means each element of the array holds one complex number and as you iterate across the array each successive element represents a distinct frequency starting from element 0 to store frequency 0 and each subsequent array element will represent a frequency defined by adding incr_freq to the frequency of the prior array element )

            Each index of ARR2 represents a frequency where element 0 is the DC bias which is the zero offset bias of your input ARR1 curve if its centered about the zero crossing point this value is zero normally element 0 can be ignored ... the difference in frequency between each element of ARR2 is a constant frequency increment which can be calculated using

            Source https://stackoverflow.com/questions/70974735

            QUESTION

            How to transfer custom SPL token by '@solana/web3.js' and '@solana/sol-wallet-adapter'
            Asked 2022-Jan-29 at 21:02

            Hello I am trying to transfer a custom SPL token with the solana-wallet adapter. However i am having trouble getting the wallet's secret key/signing the transaction.

            I've looked at these answers for writing the transfer code but i need to get the Singer and i have trouble figuring out how with solana-wallet adapter. These examples hardcode the secret key and since i'm using a wallet extension this is not possible.

            How can you transfer SOL using the web3.js sdk for Solana?

            How to transfer custom token by '@solana/web3.js'

            according to this issue on the webadapter repo https://github.com/solana-labs/wallet-adapter/issues/120 you need to:

            1. Create a @solana/web3.js Transaction object and add instructions to it
            2. Sign the transaction with the wallet
            3. Send the transaction over a Connection

            But i am having difficulty finding examples or documentation as to how to do step 1 and 2.

            ...

            ANSWER

            Answered 2021-Dec-06 at 13:51

            So i found a way to do this, it requires some cleanup and error handling but allows for a custom token transaction via @solana/wallet-adapter.

            Source https://stackoverflow.com/questions/70224185

            QUESTION

            Material UI disable browser specific CSS rules --webkit- etc
            Asked 2022-Jan-23 at 17:01

            I would like to disable all of the browser rules that are exported when MUI is compiled:

            So I would like to see:

            ...

            ANSWER

            Answered 2022-Jan-20 at 16:52

            You can control this using Emotion's CacheProvider component by providing it with a cache that does not leverage the prefixer stylis plugin. Below is a working example that allows you to toggle back and forth between including the vendor prefixes or not.

            Source https://stackoverflow.com/questions/70656499

            QUESTION

            MUI v5 - Extending Typography variant in TypeScript creates error "No overload matches this call"
            Asked 2022-Jan-06 at 19:39

            I am setting up the base for an app with MUI v5 and TypeScript. I want to extend the MUI theme with some custom properties which add to the existing default properties.

            My theme.ts config looks like that:

            ...

            ANSWER

            Answered 2021-Nov-17 at 14:12

            To update Typography variant in Typescript, use the following code:

            Source https://stackoverflow.com/questions/70002471

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

            Vulnerabilities

            No vulnerabilities reported

            Install fc

            You can download it from GitHub.

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