Candle | GRBL controller application with G-Code visualizer | 3D Printing library

 by   Denvi C++ Version: v1.2b License: GPL-3.0

kandi X-RAY | Candle Summary

kandi X-RAY | Candle Summary

Candle is a C++ library typically used in Modeling, 3D Printing, Qt5 applications. Candle has no bugs, it has no vulnerabilities, it has a Strong Copyleft License and it has medium support. You can download it from GitHub.

GRBL controller application with G-Code visualizer written in Qt.
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              Candle has a medium active ecosystem.
              It has 1178 star(s) with 498 fork(s). There are 127 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 336 open issues and 210 have been closed. On average issues are closed in 219 days. There are 23 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of Candle is v1.2b

            kandi-Quality Quality

              Candle has no bugs reported.

            kandi-Security Security

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

            kandi-License License

              Candle is licensed under the GPL-3.0 License. This license is Strong Copyleft.
              Strong Copyleft licenses enforce sharing, and you can use them when creating open source projects.

            kandi-Reuse Reuse

              Candle releases are available to install and integrate.
              Installation instructions are available. Examples and code snippets are not available.

            Top functions reviewed by kandi - BETA

            kandi's functional review helps you automatically verify the functionalities of the libraries and avoid rework.
            Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of Candle
            Get all kandi verified functions for this library.

            Candle Key Features

            No Key Features are available at this moment for Candle.

            Candle Examples and Code Snippets

            No Code Snippets are available at this moment for Candle.

            Community Discussions

            QUESTION

            Creating a Bullish engulfing candle script
            Asked 2021-Jun-14 at 01:57

            Just getting started with Pine Script and coding in general. I found a couple open source scripts that was able to signal a buy when there is an engulfing bullish candle. Is there a way to code it so that there has to first be 3 bearish candles and then a bullish candle to signal the buy? Image 1 shows what I am wanting with 3 red candles then signal a buy. Image 2 shows that there was only 1 red candle and then there was a bullish candle that signaled a buy.

            ![1]: https://i.stack.imgur.com/vepsW.png ![2]: https://i.stack.imgur.com/uwMMI.png

            ...

            ANSWER

            Answered 2021-Jun-14 at 01:57
            threeRed = close[1] < open[1] and close[2] < open[2] and close[3] < open[3]
            
            oneRed = close[1] < open[1]
            
            bullishEng = close > open and close > max(open[1], close[1])
            
            buySignal1 = oneRed and bullishEng and not threeRed
            buySignal3 = threeRed and bullishEng
            

            Source https://stackoverflow.com/questions/67941497

            QUESTION

            TimescaleDB: SELECT COUNT(*) slow on hypertable
            Asked 2021-Jun-13 at 05:10

            I have a hyper table for exchange candle data set up using TimescaleDB.

            • TimescaleDB official image timescale/timescaledb:latest-pg12 set up and running with Docker with the exact version string starting PostgreSQL 12.6 on x86_64-pc-linux-musl, compiled by gcc (Alpine 10.2.1_pre1) 10.2.1 20201203, 64-bit

            • Python 3 client

            • The table has 5 continuous aggregate views set up like here and around 15 colums

            Running the following query is slow (count query generated with SQLAlchemy):

            ...

            ANSWER

            Answered 2021-Jun-13 at 05:10

            you can try the approximate_row_count() function (https://docs.timescale.com/api/latest/analytics/approximate_row_count/) which gives an immediate result.

            Source https://stackoverflow.com/questions/67953098

            QUESTION

            How to import trades history in Tradingdview with pine editor?
            Asked 2021-Jun-10 at 21:51

            I'm trying to import some buys and sales into the chart. Ideally I would like to mark the candle and show the amount but I have two issues.

            The first is that I keep getting "Array is too large. Maximum size is 100000" When I add many trades ( around 50 ) and the second is that I don't know how to display the amount.

            I googled around and this is the code I managed to write but as mentioned is not working.

            Is not a long or short strategy, I just need to move buys and sells into the chart

            ...

            ANSWER

            Answered 2021-Jun-10 at 21:51

            You're exceeding the array limit because every bar you're unnecessarily adding the trade data to the arrays every bar. With the var array, you only need to do it once. Either nest the add_trade() calls in if barstate.isfirst or use array.from()

            var int[] when_buy = array.from(timestamp('2021-06-01'), timestamp('2021-05-27'), etc....)

            To display the amounts use label.new()

            Source https://stackoverflow.com/questions/67893126

            QUESTION

            move both forward and backward in a script?
            Asked 2021-Jun-09 at 01:24

            I am new in pine scripting, so please excuse me if the question is easy or impossible.

            Here is what I have in mind:

            If possible, I want to write a pine script (in tradingview) such that for any GREEN candle (in time frame daily) computes two numbers:

            number_1: the number of consecutive green candles after that.

            number_2: the number of consecutive green candles before that.

            Also for any GREEN candle, I want to write number_1 above it and I want to write number_2 below it.

            Thanks in Advance for you help and comments.

            ...

            ANSWER

            Answered 2021-Jun-09 at 01:24
            int greenCount = na
            
            if close > open and close[1] < open[1]
                greenCount := 1
            else if close > open and close[1] > open[1]
                greenCount := greenCount[1] + 1
            
            if close < open and close[1] > open[1] and greenCount[1] > 1
                for i = 2 to greenCount[1]
                    label.new(x = bar_index - i, y = high[i], style = label.style_label_down, color = #00000000, textcolor = color.blue, text = tostring(i - 1))
            
            if not na(greenCount) and greenCount > 1
                label.new(x = bar_index, y = low, style = label.style_label_up, color = #00000000, textcolor = color.green, text = tostring(greenCount - 1))
            

            Source https://stackoverflow.com/questions/67891861

            QUESTION

            How to query Django objects based on a field value in the latest ForeignKey?
            Asked 2021-Jun-08 at 12:12

            I have a Django application to store hourly price and volume (OHLCV candle) for several markets. What I'm trying to achieve is to compare the latest volume of all markets and set top10 = True to the 10 markets with the highest volume in the latest candle. What is the most efficient way to do that ?

            EDIT: The queryset should select all the most recent candle in every markets and sort them by volume. Then return the 10 markets the top 10 candles belong to.

            models.py

            ...

            ANSWER

            Answered 2021-Jun-08 at 12:12

            Finally, I've figured out the solution, I guess.

            Source https://stackoverflow.com/questions/67885457

            QUESTION

            Question about Automating Long vs Short Orders
            Asked 2021-Jun-08 at 00:28

            I have been working on a pine editor script that is supposed to place a long order when the prior candle closing price (and current price) is above "Lead Line 1" and "Lead Line 2" of the Ichimoku Cloud indicator, and a short order when the prior candle closing price (and current price) is below both of the lines. Additionally, when an order is placed a stop loss should be placed either 2x the ATR above (for short positions) or below (for long positions) the entry price. This is shown visually by a trailing line above and below the candles. The take profit should be 1.5x the difference between the stop loss and entry price.

            As you will see from my screen shots the long and short entries seem to be taken anywhere, and I am not too sure that the stop loss and take profit functions are working correctly either.

            This picture shows a long position being taken both within the cloud and under the cloud (both of which I do not want)

            This picture shows a short position being taken above the cloud, which also should not happen.

            Does anyone have a solution to this problem? I will attach my code, but I will greatly appreciate any help or advice you can give.

            ...

            ANSWER

            Answered 2021-Jun-07 at 20:31

            Try to plot your Leadline with no offset. The plot and the actual data of those two lines can be confusing.

            Source https://stackoverflow.com/questions/67877839

            QUESTION

            How to request data with Angular RXJS Websockets from Bitvavo
            Asked 2021-Jun-07 at 08:58

            I'm learning about angular and can't figure out how to use RXJS websockets to send messages for data requests with the Bitvavo servers. https://docs.bitvavo.com/#tag/Websocket

            The connection is established (see last picture), but I don't know how to request data with this message:

            ...

            ANSWER

            Answered 2021-Jun-06 at 17:50

            You are doing the correct thing to send the message: socket.next(...), however you need to ensure you are subscribing to your socket. From the rxjs docs:

            Note that at least one consumer has to subscribe to the created subject - otherwise "nexted" values will be just buffered and not sent

            It looks like you are re-implementing features already provided by RxJS WebSocket. You don't need a connect() method nor a close() method. This is because the socket connection is automatically made when there is a subscriber, and closed when there are no subscribers.

            Also, you don't need to have a separate MessagesSubject, just define messages$ from your socket$.

            Your service could be simplified to this:

            Source https://stackoverflow.com/questions/67859986

            QUESTION

            Why is UICollectionViewDiffableDataSource reloading every cell when nothing has changed?
            Asked 2021-Jun-06 at 22:15

            I've created the following demo view controller to reproduce the issue in a minimal example.

            Here I'm applying a snapshot of the same data repeatedly to the same collection view using UICollectionViewDiffableDataSource and every time all of the cells are reloaded even though nothing has changed.

            I'm wondering if this is a bug, or if I'm "holding it wrong".

            It looks like this other user had the same issue, though they didn't provide enough information to reproduce the bug exactly: iOS UICollectionViewDiffableDataSource reloads all data with no changes

            EDIT: I've also uncovered a strange behavior - if animating differences is true, the cells are not reloaded every time.

            ...

            ANSWER

            Answered 2021-Jun-06 at 22:15

            I think you've put your finger on it. When you say animatingDifferences is to be false, you are asking the diffable data source to behave as if it were not a diffable data source. You are saying: "Skip all that diffable stuff and just accept this new data." In other words, you are saying the equivalent of reloadData(). No new cells are created (it's easy to prove that by logging), because all the cells are already visible; but by the same token, all the visible cells are reconfigured, which is exactly what one expects from saying reloadData().

            When animatingDifferences is true, on the other hand, the diffable data source thinks hard about what has changed, so that, if necessary, it can animate it. As a result of all that work behind the scenes, therefore, it knows when it can avoid reloading a cell if it doesn't have to (because it can move the cell instead).

            Indeed, when animatingDifferences is true, you can apply a snapshot that reverses the cells, and yet configure is never called again, because moving the cells around is all that needs to be done:

            Source https://stackoverflow.com/questions/67845779

            QUESTION

            Have a problem, when I work with external_axes
            Asked 2021-Jun-06 at 15:17

            I need to add to the plot some text and I tried to use your guide "How to use your own matplotlib Figure and Axes in mplfinance". But i have an error:

            "ValueError: make_addplot() ax kwargs must all be of type matplotlib.axis.Axes"

            My code:

            ...

            ANSWER

            Answered 2021-Jun-06 at 15:17

            Whenever you pass an external Axes object into mplfinance.plot() using the ax= kwarg, then

            • if you want to plot volume, then you must pass an Axes object in for the volume:
              that is, instead of volume=True do volume=axes where axes is an Axes object on which you want to plot the volume.
            • you must also use kwarg ax= for all calls to mplfinance.make_addplot()

            This information was noted at the bottom of the subplots page.
            Probably should also be included in the external axes notebook.

            Source https://stackoverflow.com/questions/67858905

            QUESTION

            draw rectangle pine script
            Asked 2021-Jun-04 at 19:30

            I would like draw a rectangle box over specific candles range using pine script, can anyone please help me on this ?

            like below pic:

            ...

            ANSWER

            Answered 2021-Jun-02 at 13:55

            You have line 4 with every argument used, you have to know the sides (left, top, right, bottom) for your square, everything else is for design.

            Source https://stackoverflow.com/questions/67805914

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

            Vulnerabilities

            No vulnerabilities reported

            Install Candle

            Qt 5.4.2 with MinGW/GCC compiler.

            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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