pipes | Pipelines for expressive code on collections in C++

 by   joboccara C++ Version: v1.0.0 License: MIT

kandi X-RAY | pipes Summary

kandi X-RAY | pipes Summary

pipes is a C++ library. pipes has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Pipes are small components for writing expressive code when working on collections. Pipes chain together into a pipeline that receives data from a source, operates on that data, and send the results to a destination. This is a header-only library, implemented in C++14. The library is under development and subject to change. Contributions are welcome. You can also log an issue if you have a wish for enhancement or if you spot a bug.
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            kandi-support Support

              pipes has a low active ecosystem.
              It has 744 star(s) with 71 fork(s). There are 35 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 19 open issues and 25 have been closed. On average issues are closed in 49 days. There are 3 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of pipes is v1.0.0

            kandi-Quality Quality

              pipes has no bugs reported.

            kandi-Security Security

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

            kandi-License License

              pipes 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

              pipes 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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            pipes Key Features

            No Key Features are available at this moment for pipes.

            pipes Examples and Code Snippets

            No Code Snippets are available at this moment for pipes.

            Community Discussions

            QUESTION

            Rank selected multiple columns in a dataframe and then add rank data as new columns
            Asked 2021-Jun-14 at 17:24

            The example data looks like this:

            ...

            ANSWER

            Answered 2021-Jun-14 at 17:24

            We can assign. Here, we used lapply to loop over the columns (in case there are some difference in type, then lapply preserves it while apply converts to matrix and there would be a single type for those)

            Source https://stackoverflow.com/questions/67974456

            QUESTION

            ESLint Async pipes should not be negated
            Asked 2021-Jun-14 at 13:52

            I'm using ESLint with Angular and I don't like having extra code like (observable | async) === (false | null | undefined) instead of just (observable | async). How do I disable that rule?

            ...

            ANSWER

            Answered 2021-Apr-01 at 17:13

            add "@angular-eslint/template/no-negated-async": "off" to the html portion of the esLint rules section

            Source https://stackoverflow.com/questions/66789429

            QUESTION

            Bash shell scripting , how to use pipes in command
            Asked 2021-Jun-12 at 15:13

            Trying to use pipes in bash script. This works fine on my Linux shell but bash script errors out. What am I doing wrong?

            ...

            ANSWER

            Answered 2021-Jun-12 at 13:38

            The bash builtin exec command has a completely different goal, as explained at https://www.computerhope.com/unix/bash/exec.htm .

            You have to substitute exec with eval in order to get your script working, or as alternative, as suggested by @Jonathan Leffler in a comment, you may use bash -c "$cmd".

            Source https://stackoverflow.com/questions/67949305

            QUESTION

            Use scientific notation in p-value produced by gtsummary table
            Asked 2021-Jun-11 at 11:47

            I am trying to display the p-value of a test produced in a gtsummary table in scientific format. So I want my p-value's to look like 2e-16 instead of <0.001. See table below.

            Any suggestions how I can do this using the gtsummary package? I have put together a reproducible code below:

            ...

            ANSWER

            Answered 2021-Jun-11 at 11:47

            Here's how you can get the p-value you're looking for!

            Source https://stackoverflow.com/questions/67932536

            QUESTION

            Cache Steps in Bitbucket Pipeline Setup
            Asked 2021-Jun-08 at 05:58

            My bitbucket pipeline is as below.

            ...

            ANSWER

            Answered 2021-Jun-08 at 05:58

            You can use the follow as an example for caching node

            Source https://stackoverflow.com/questions/66939324

            QUESTION

            Angular 11: Cannot Connect to SQL Server from API Controller -- GET Method
            Asked 2021-Jun-07 at 15:26

            As a precursor, I am using SQL Server Management Studio 18 for my Database and I am writing in Angular 11.

            I am trying to write a GET method to pull my table dbo.Information from my database WeatherTemplate in SQL Server Management Studio 18. I'm continuing to recieve this error though and I am unable to resolve it:

            ...

            ANSWER

            Answered 2021-Jun-07 at 15:26

            This error will happen due to wrong connection string

            Source https://stackoverflow.com/questions/67873790

            QUESTION

            How can I keep reading from a named pipe without 100% CPU usage?
            Asked 2021-Jun-07 at 12:47
            Context and the problem

            Recently I've been messing around with named pipes for a university project I'm working on. I need to make a program that acts as a "server" - It continuously reads from a named pipe and executes whatever command is given to it through said pipe. I've managed to do this but there's a problem: 100% CPU usage. Obviously this is a problem and it would contribute to a lower grade from my professors so I'd like to reduce this.

            EDIT: I forgot to mention that after reading the message from the pipe, and executing it, the server must keep on running waiting for another message. At no point should the server program terminate (except for when SIGINT or similar signal is sent). The desired behavior is for it to never leave the loop, and just keep on reading and executing the message sent by the pipe.

            Minimal reproducible example of the code for the "server": ...

            ANSWER

            Answered 2021-Jun-07 at 12:47

            @Cheatah's sugestion of using poll() worked perfectly. This is the code now with the changes suggested:

            Source https://stackoverflow.com/questions/67855020

            QUESTION

            Ionic Lifecycle Un-/Subscribe Firebase Databasestreams (using async pipe)
            Asked 2021-Jun-04 at 08:13

            I am using Ionic 5 with Firebase Realtime Database and Firestore (angularfire) and Angular Routing. On most pages I am streaming databasecontent. Because of the Ionic-lifecycle the pages are not destroyed when leaving the view. As I would do in Angular, I declare my Observables in ngOnInit.

            ...

            ANSWER

            Answered 2021-Jun-04 at 08:13

            Question 1: I think it is an individuel consideration. But in moste cases it does nor make sense to keep the streams open, when leaving a page.

            Question 2: Seeing Q1, you should use ionViewWillEnter to subscribe and ionViewWillLeave to unsubscribe. In that cases async pipes does not make sense.

            In the end I am not happy about the own ionic lifecycle. But that is the way it is.

            Source https://stackoverflow.com/questions/67396267

            QUESTION

            Find pattern and replace
            Asked 2021-Jun-03 at 20:06

            A similar question was probably asked but here goes :

            Suppose I have the following erronous dates in my df (in numeric format such that yyyymmdd): 20169904, 20179999, 20161099. These dates are from my date column, where many dates are wrong - no such thing as day = 99 or month = 99.

            Now I wish to ONLY change the 99 in dd to 01. In other words, I need to find ONLY the dates that are yyyymm99 and change them to yyyymm01. I am not having trouble with str_sub(df$date,7,8) <- 01. However, this changes all dd in the column to 01. I only need to change those that are yyyymm99.

            Using pipes or multi-step solutions are both ok with me.

            Thanks in advance!

            ...

            ANSWER

            Answered 2021-Jun-03 at 19:53

            Here is a solution with gsub():

            Source https://stackoverflow.com/questions/67827533

            QUESTION

            Side effects with BehaviorSubject and concatMap
            Asked 2021-Jun-03 at 08:07

            This is my first time experimenting with BehaviorSubject, async pipes and concatMap so I'm facing some problems updating data in my DOM.

            I have:

            ...

            ANSWER

            Answered 2021-Jun-03 at 08:07

            Think of observables as a water tap that, once you subscribe to it, the tap is never closed. Water will keep flowing, as long as, well there is water. Only when you unsubscribe it (or any other operators that ends it), then the tap will close.

            So the moment you do a addProfile(), even just once, the observable of it is forever opened, and as long as there is emissions of data (water), that emission of data will still continues, even if you dont call the function addProfile() anymore -> and that, if you call the function two times, you actually have two subscriptions aka two water pipes and taps; which is something that most developers did not pay attention to.

            So when you call addProfile() just for the first time, and since you never unsubscribe it, you actually switched to listening to profiles$ thanks to

            Source https://stackoverflow.com/questions/67816189

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

            Vulnerabilities

            No vulnerabilities reported

            Install pipes

            You can download it from GitHub.

            Support

            The contents of an input stream can be sent to a pipe by using read_in_stream. The end pipe to_out_stream sends data to an output stream.
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            https://github.com/joboccara/pipes.git

          • CLI

            gh repo clone joboccara/pipes

          • sshUrl

            git@github.com:joboccara/pipes.git

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