open4 | open child process with handles on pid stdin stdout | Reactive Programming library

by ahoward Ruby Version: Current License: Non-SPDX

X-Ray Key Features Code Snippets Community Discussions(5)Vulnerabilities Install Support

kandi X-RAY | open4 Summary

open4 is a Ruby library typically used in Programming Style, Reactive Programming, Nodejs applications. open4 has no bugs, it has no vulnerabilities and it has low support. However open4 has a Non-SPDX License. You can download it from GitHub.

open child process with handles on pid, stdin, stdout, and stderr: manage child processes and their io handles easily. ~> gem install open4.

Support

Quality

Security

License

Reuse

Support

open4 has a low active ecosystem.

It has 198 star(s) with 24 fork(s). There are 5 watchers for this library.

It had no major release in the last 6 months.

There are 7 open issues and 11 have been closed. On average issues are closed in 728 days. There are 5 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of open4 is current.

Quality

open4 has 0 bugs and 0 code smells.

Security

open4 has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

open4 code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

open4 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.

Reuse

open4 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.

open4 saves you 507 person hours of effort in developing the same functionality from scratch.

It has 1191 lines of code, 56 functions and 16 files.

It has medium code complexity. Code complexity directly impacts maintainability of the code.

Top functions reviewed by kandi - BETA

kandi has reviewed open4 and discovered the below as its top functions. This is intended to give you an instant insight into open4 implemented functionality, and help decide if they suit your requirements.

Runs the command .
Kills all threads .
Send the exit status

Get all kandi verified functions for this library.

open4 Key Features

No Key Features are available at this moment for open4.

open4 Examples and Code Snippets

No Code Snippets are available at this moment for open4.

Community Discussions

Trending Discussions on open4

Singleton ofstram: Files created but did not be written

Ruby - Calling commands and interact with shell in Windows environment

Search Registry and create New-Item

Place element center to top left with css in order to reference "transform" to the element's center

`require': cannot load such file -- non-rails app on server

QUESTION

Singleton ofstram: Files created but did not be written

Asked 2020-May-16 at 21:03

I create a singleton class to wrap some ofstream

...

ANSWER

Answered 2020-May-16 at 21:03

This is a strange way to manage objects.

Your OutputFiles::init(fn) invokes instance_impl(fn), a function template specialisation. That specialisation has a static local variable called singleton, instantiated with ctor args fn, to which you return a reference. All good.

Then, you do OutputFiles::instance() to get a OutputFiles&. Trouble is, that function invokes instance_impl(), a different function template specialisation. That specialisation also has a static local variable called singleton, default-constructed. All of its ofstream members have also thus been default-constructed, and streaming to them accomplishes nothing.

The key is that the two specialisations of instance_impl are different functions. So this is not a valid way to bypass static initialisation.

Why not just instantiate an OutputFiles in the normal way and store it somewhere?

Source https://stackoverflow.com/questions/61843292

QUESTION

Ruby - Calling commands and interact with shell in Windows environment

Asked 2019-Apr-26 at 09:28

I am running an .exe file in the command line from a Ruby script that asks the user for a Yes/No response. I would like to know how the user can interact with it in Windows environment.

I have tried all the possible options: system, backticks, %x(), Open3, Open4... and none of them work.

Some posts ([1], [2]) resolve the issue using PTY, but as to my knowledge there is no implementation of the PTY module in Windows. Any other idea?

...

ANSWER

Answered 2019-Apr-26 at 09:28

Seems this is working under Windows too

Source https://stackoverflow.com/questions/55725954

QUESTION

Search Registry and create New-Item

Asked 2018-Nov-13 at 16:03

I want to create a New-Item in the registry with a pre check what already exists.

This code

...

ANSWER

Answered 2018-Nov-13 at 16:03

The most robust approach is to extract the embedded numbers, sort them numerically, and add 1 to the highest index to date:

Source https://stackoverflow.com/questions/53283682

QUESTION

Place element center to top left with css in order to reference "transform" to the element's center

Asked 2018-Sep-03 at 13:09

I want to place an element's center, at the same place where was clicked:

For this, I want to use transform, but for the initial css property I can't use:

...

ANSWER

Answered 2018-Sep-03 at 13:09

If you click anywhere in the demo button it will reveal a .dropdown-menu at the center point of your cursor click, within the button.

Not too hacky either because its position: absolute inside the .btn-group using transform: translate(-50%,-50%) to centre it nicely based on top left.

You can add as many buttons to the .dropdown-menu and it will always be centred on your click.

It's probably best to render the buttons inside the .dropdown-menu on page load, but if you have dynamic buttons to add via javascript then append the buttons how ever you need.

You need to trigger a .hide() a .dropdown-menu method when clicking off the menu which should be easy enough.

See http://jsfiddle.net/joshmoto/sdn5eboa/ too if you wanna play.

Run code below to see example...

Source https://stackoverflow.com/questions/52126957

QUESTION

`require': cannot load such file -- non-rails app on server

Asked 2017-Feb-02 at 14:24

I have a non rails application which i am trying to deploy. It uses eventmachine and daemons. I am using mina for deployment and the server is configured to use RVM.

When I try to execute

...

ANSWER

Answered 2017-Feb-02 at 14:24

When you use bundler to install gems outside if Ruby's global gem store, you also need to adapt the $LOAD_PATH to include this custom location before you are able to require the gem.

The most common way to achieve this is to use bundle exec. This command comes with bundler and adapts Ruby's $lOAD_PATH to include the locations of all gems specified in the Gemfile.

When you start your script as follows, Ruby should be able to find your gems (assuming your bin/run_control.rb script is executable).

Source https://stackoverflow.com/questions/42004246

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

Vulnerabilities

No vulnerabilities reported

Install open4

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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