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zookeeper-book-example | code example that complements material | User Interface library

 by   fpj Java Version: Current License: Apache-2.0

 by   fpj Java Version: Current License: Apache-2.0

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kandi X-RAY | zookeeper-book-example Summary

zookeeper-book-example is a Java library typically used in User Interface, Bitcoin, MongoDB, Spring Boot applications. zookeeper-book-example has no bugs, it has no vulnerabilities, it has build file available, it has a Permissive License and it has low support. You can download it from GitHub.
This is a code example that complements the material in the ZooKeeper O'Reilly book.
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • zookeeper-book-example has a low active ecosystem.
  • It has 369 star(s) with 237 fork(s). There are 47 watchers for this library.
  • It had no major release in the last 12 months.
  • There are 3 open issues and 1 have been closed. There are no pull requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of zookeeper-book-example is current.
This Library - Support
Best in #User Interface
Average in #User Interface
This Library - Support
Best in #User Interface
Average in #User Interface

quality kandi Quality

  • zookeeper-book-example has 0 bugs and 0 code smells.
This Library - Quality
Best in #User Interface
Average in #User Interface
This Library - Quality
Best in #User Interface
Average in #User Interface

securitySecurity

  • zookeeper-book-example has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • zookeeper-book-example code analysis shows 0 unresolved vulnerabilities.
  • There are 0 security hotspots that need review.
This Library - Security
Best in #User Interface
Average in #User Interface
This Library - Security
Best in #User Interface
Average in #User Interface

license License

  • zookeeper-book-example is licensed under the Apache-2.0 License. This license is Permissive.
  • Permissive licenses have the least restrictions, and you can use them in most projects.
This Library - License
Best in #User Interface
Average in #User Interface
This Library - License
Best in #User Interface
Average in #User Interface

buildReuse

  • zookeeper-book-example releases are not available. You will need to build from source code and install.
  • Build file is available. You can build the component from source.
  • Installation instructions are not available. Examples and code snippets are available.
This Library - Reuse
Best in #User Interface
Average in #User Interface
This Library - Reuse
Best in #User Interface
Average in #User Interface
Top functions reviewed by kandi - BETA

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

  • This method should be called by the leader thread .
  • Tries to initiate leader election .
  • Notify the leader connection state changed .
  • Main method .
  • Process pending assignments .
  • Add a list of children .
  • Process an event .
  • Method removeAndSet .
  • Changes the execution count .
  • Submits a task .

zookeeper-book-example Key Features

This is a code example that complements the material in the ZooKeeper O'Reilly book.

Step 2: Start the master

copy iconCopydownload iconDownload
java -cp .:/usr/local/zookeeper-3.4.8/zookeeper-3.4.8.jar:/usr/local/slf4j-1.7.2/slf4j-api-1.7.2.jar:/usr/local/slf4j-1.7.2/slf4j-ext-1.7.2.jar:/usr/local/slf4j-1.7.2/slf4j-log4j12-1.7.2.jar:/usr/local/apache-log4j-1.2.17/log4j-1.2.17.jar:/path/to/book/repo/target/ZooKeeper-Book-0.0.1-SNAPSHOT.jar org.apache.zookeeper.book.Master localhost:2181

Step 3: Start a couple of workers

copy iconCopydownload iconDownload
java -cp .:/usr/local/zookeeper-3.4.8/zookeeper-3.4.8.jar:/usr/local/slf4j-1.7.2/slf4j-api-1.7.2.jar:/usr/local/slf4j-1.7.2/slf4j-ext-1.7.2.jar:/usr/local/slf4j-1.7.2/slf4j-log4j12-1.7.2.jar:/usr/local/apache-log4j-1.2.17/log4j-1.2.17.jar:/path/to/book/repo/target/ZooKeeper-Book-0.0.1-SNAPSHOT.jar org.apache.zookeeper.book.Worker localhost:2181

Step 4: Run a client

copy iconCopydownload iconDownload
java -cp .:/usr/local/zookeeper-3.4.8/zookeeper-3.4.8.jar:/usr/local/slf4j-1.7.2/slf4j-api-1.7.2.jar:/usr/local/slf4j-1.7.2/slf4j-ext-1.7.2.jar:/usr/local/slf4j-1.7.2/slf4j-log4j12-1.7.2.jar:/usr/local/apache-log4j-1.2.17/log4j-1.2.17.jar:/path/to/book/repo/target/ZooKeeper-Book-0.0.1-SNAPSHOT.jar org.apache.zookeeper.book.Client localhost:2181

Compile

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gcc -I/usr/local/zookeeper-3.4.8/src/c/include -I/usr/local/zookeeper-3.4.8/src/c/generated -DTHREADED -L/usr/local/lib -l zookeeper_mt master.c

Community Discussions

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QUESTION

Correct way to run two Tk() mainloops independently, with second being started from first script?

Asked 2022-Apr-18 at 02:03

script_a.py

from tkinter import *
from script_b import test

root = Tk()

var1 = stuff
var2 = stuff

def start_scriptb():
    test([var1, var2])

Button(root, text="Start", 
command=start_scriptb)


root.mainloop()

script_b.py

from tkinter import *


def test(x):
    main = Tk()
    Label(main, text=x)
    Button(main, text="Exit", command=main.destroy())

    main.mainloop() 

This is a very basic version of what I'm trying to achieve. I actually am spawning a progress window that uses subprocess.Popen in script 2 with the passed through variables from script one and viewing the progess through a scrolled text widget on the 2nd program. I'm trying to spawn a new process, independent from the root GUI each time that button is hit from script_a.

It works fine in my tests so far, but I wanted to see if this could cause any issues or if this is actually spawning two processes?

I know there should only be one Tk() per process.

Using a TopLevel() window to show the progress works fine with the threading module, but the TopLevel() window will freeze as well as root (and any other open TopLevels()) if root is doing any sort of processing that takes any length of time.

ANSWER

Answered 2022-Apr-18 at 02:03

With many hours of testing, I did have success in running two Tk() loops, but it had potential to be problematic, as "Bryan Oakley" had posted in many threads about.

Ultimately, I decided when I was in need of running something alone, I'd start my GUI with arguments and process it in an entirely new process instead of passing any arguments directly. Seems like a safer option.

Source https://stackoverflow.com/questions/71880097

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

Vulnerabilities

No vulnerabilities reported

Install zookeeper-book-example

You can download it from GitHub.
You can use zookeeper-book-example like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the zookeeper-book-example component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

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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