Beam | MVP开发框架

 by   Jude95 Java Version: Current License: No License

kandi X-RAY | Beam Summary

kandi X-RAY | Beam Summary

Beam is a Java library. Beam has build file available and it has low support. However Beam has 1 bugs and it has 1 vulnerabilities. You can download it from GitHub.

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            kandi-support Support

              Beam has a low active ecosystem.
              It has 625 star(s) with 157 fork(s). There are 35 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 10 open issues and 11 have been closed. On average issues are closed in 14 days. There are 1 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of Beam is current.

            kandi-Quality Quality

              Beam has 1 bugs (0 blocker, 0 critical, 1 major, 0 minor) and 106 code smells.

            kandi-Security Security

              Beam has 1 vulnerability issues reported (0 critical, 1 high, 0 medium, 0 low).
              Beam code analysis shows 0 unresolved vulnerabilities.
              There are 5 security hotspots that need review.

            kandi-License License

              Beam does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              Beam 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.
              Beam saves you 935 person hours of effort in developing the same functionality from scratch.
              It has 2133 lines of code, 282 functions and 62 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed Beam and discovered the below as its top functions. This is intended to give you an instant insight into Beam implemented functionality, and help decide if they suit your requirements.
            • Creates the list view
            • Initializes the adapter
            • Initialize list
            • Creates the RecyclerView
            • Starts an activity with the given class and id
            • Gets the activity
            • Launch an activity with the specified class
            • Gets the activity
            • Start an activity with the specified class
            • Gets the activity
            • Create the list view
            • Method used to create the RecyclerView
            • Initialize the adapter
            • Determine if the device has soft keys
            • Initializes Beam
            • Initialize the application
            • Creates a new model for the given class
            • Create a presenter instance from the given object
            • Create a new PresenterType from annotation
            • On create view
            • Get status bar height
            • Destroy the view
            • Sets the view to be created
            • Shows the progress page
            • Displays a progress dialog
            • Shows the error page
            • Start the loop
            Get all kandi verified functions for this library.

            Beam Key Features

            No Key Features are available at this moment for Beam.

            Beam Examples and Code Snippets

            A CTC Beam search decoder .
            pythondot img1Lines of Code : 62dot img1License : Non-SPDX (Apache License 2.0)
            copy iconCopy
            def ctc_beam_search_decoder(inputs,
                                        sequence_length,
                                        beam_width=100,
                                        top_paths=1,
                                        merge_repeated=True):
              """Performs beam search decoding  
            Generate a defaultHonk for this beam
            javadot img2Lines of Code : 3dot img2License : Permissive (MIT License)
            copy iconCopy
            public void honk() {
                    // produces a default honk
                }  

            Community Discussions

            QUESTION

            Dynamically set bigquery table id in dataflow pipeline
            Asked 2021-Jun-15 at 14:30

            I have dataflow pipeline, it's in Python and this is what it is doing:

            1. Read Message from PubSub. Messages are zipped protocol buffer. One Message receive on a PubSub contain multiple type of messages. See the protocol parent's message specification below:

              ...

            ANSWER

            Answered 2021-Apr-16 at 18:49

            QUESTION

            Apache Beam SIGKILL
            Asked 2021-Jun-15 at 13:51

            The Question

            How do I best execute memory-intensive pipelines in Apache Beam?

            Background

            I've written a pipeline that takes the Naemura Bird dataset and converts the images and annotations to TF Records with TF Examples of the required format for the TF object detection API.

            I tested the pipeline using DirectRunner with a small subset of images (4 or 5) and it worked fine.

            The Problem

            When running the pipeline with a bigger data set (day 1 of 3, ~21GB) it crashes after a while with a non-descriptive SIGKILL. I do see a memory peak before the crash and assume that the process is killed because of a too high memory load.

            I ran the pipeline through strace. These are the last lines in the trace:

            ...

            ANSWER

            Answered 2021-Jun-15 at 13:51

            Multiple things could cause this behaviour, because the pipeline runs fine with less Data, analysing what has changed could lead us to a resolution.

            Option 1 : clean your input data

            The third line of the logs you provide might indicate that you're processing unclean data in your bigger pipeline mmap(NULL, could mean that | "Get Content" >> beam.Map(lambda x: x.read_utf8()) is trying to read a null value.

            Is there an empty file somewhere ? Are your files utf8 encoded ?

            Option 2 : use smaller files as input

            I'm guessing using the fileio.ReadMatches() will try to load into memory the whole file, if your file is bigger than your memory, this could lead to errors. Can you split your data into smaller files ?

            Option 3 : use a bigger infrastructure

            If files are too big for your current machine with a DirectRunner you could try to use an on-demand infrastructure using another runner on the Cloud such as DataflowRunner

            Source https://stackoverflow.com/questions/67684186

            QUESTION

            Apache Beam Python gscio upload method has @retry.no_retries implemented causes data loss?
            Asked 2021-Jun-14 at 18:49

            I have a Python Apache Beam streaming pipeline running in Dataflow. It's reading from PubSub and writing to GCS. Sometimes I get errors like "Error in _start_upload while inserting file ...", which comes from:

            ...

            ANSWER

            Answered 2021-Jun-14 at 18:49

            In a streaming pipeline, Dataflow retries work items running into errors indefinitely.

            The code itself does not need to have retry logic.

            Source https://stackoverflow.com/questions/67972758

            QUESTION

            Why are atoms not garbage collected by the BEAM?
            Asked 2021-Jun-14 at 05:13

            Well, the title says it all: I'm wondering what is the reason why the BEAM doesn't garbage collect atoms. I'm aware of question How Erlang atoms can be garbage collected but, while related, it doesn't reply to why.

            ...

            ANSWER

            Answered 2021-Jun-12 at 20:42

            Because that is not possible (or at least very hard) to do in the current design. Atoms are important part of:

            • modules, as module names are atoms
            • function names, which also are atoms
            • distributed Erlang also extensively use atoms

            Especially last point makes it hard. Imagine for second that we would have a GC for atoms. What would happen if there would be a GC cleanup in between the distributed call where we send some atoms over the wire? All of that makes atoms quite essential to how VM works and making them GCed would not only make implementation of VM much more complex, it would also make code much slower as atoms do not need to be copied between processes and as these aren't GCed, these can be completely omitted in GC mark step.

            Source https://stackoverflow.com/questions/67923700

            QUESTION

            apache beam trigger when all necessary files in gcs bucket is uploaded
            Asked 2021-Jun-09 at 17:35

            I'm new to beam so the whole triggering stuff really confuse me. I have files that are uploaded regularly to gcs to a path that looks something like this: node-///files_parts and I need to write something that would trigger when all 8 parts of a file exist.

            Their names are something like that: file_1_part_1, file_1_part_2, file_2_part_1, file_2_part_2 (there could be multiple files parts in the same dir but if its a problem I could ask for it to change).

            Is there any way to create this trigger? and if not what do you suggest I could do instead?

            Thanks!

            ...

            ANSWER

            Answered 2021-Jun-09 at 17:35

            If you are using the Java SDK, you can use a transform Watch to achieve this. I don't see a counterpart in the Python SDK though.

            I think it's better to write a program polling the files in the GCS directory. When 8 parts of a file is available, publish a message containing the file name to Pub/Sub or similar product.

            Then in your Beam pipeline, use the Pub/Sub topic as the streaming source to do your ETL.

            Source https://stackoverflow.com/questions/67906102

            QUESTION

            StackOverflowException when reflecting a Raycast2D
            Asked 2021-Jun-09 at 15:00

            I'm trying to make a simple puzzle system for a game involving beams of light and mirrors in Unity. The light beams are created using an empty GameObject that casts a Raycast2D and uses a LineRenderer to display the beam. When a beam collides with a mirror object I simply use Vector2.Reflect to calculate the new direction.

            The implementation works fine when the mirrors are static. When I try to move them around in-game, it causes random stack overflow errors, and there doesn't seem to be a pattern. Here's an example of a working mirror setup:

            Here's what happens when I try to move a mirror:

            I'm guessing it's due to the mirror somehow reflecting the beam back and causing an infinite reflection loop, but I'm not sure why that would happen.

            Relevant code:

            ...

            ANSWER

            Answered 2021-Jun-09 at 11:15

            If the condition if(hit.collider.gameObject.tag == "Mirror") is not met, you are doing a lightPoints.Add(hit.point); and upadting the beam, adding points to the LineRenderer component position array also. That does not seem a good idea, as presumably you will get to the point when the ray does not hit anymore. As is, once you get to that point you keep on adding points, leading to the stack overflow.

            I would add some safegard condition, where you stop adding points to your lists/arrays if you dont hit a gamobject of interest, maybe a determined ray length, or a condition that avoids the point to be added if the ray does not hit.

            I checked the line of the error you are having in the script itself with not very revaling info. But you got the script there in case that helps.

            Source https://stackoverflow.com/questions/67900862

            QUESTION

            Error running Beam job with DataFlow runner (using Bazel): no module found error
            Asked 2021-Jun-09 at 00:05

            I am trying to run a beam job on dataflow using the python sdk.

            My directory structure is :

            ...

            ANSWER

            Answered 2021-Jun-08 at 09:22

            Probably the wrapper-runner script generated by Bazel (you can find path to it by calling bazel build on a target) restrict set of modules available in your script. The proper approach is to fetch PyPI dependencies by Bazel, look at example

            Source https://stackoverflow.com/questions/67864433

            QUESTION

            How to limit PCollection in Apache Beam as soon as possible?
            Asked 2021-Jun-08 at 13:40

            I'm using Apache Beam 2.28.0 on Google Cloud DataFlow (with Scio SDK). I have a large input PCollection (bounded) and I want to limit / sample it to a fixed number of elements, but I want to start the downstream processing as soon as possible.

            Currently, when my input PCollection has e.g. 20M elements and I want to limit it to 1M by using https://beam.apache.org/releases/javadoc/2.28.0/org/apache/beam/sdk/transforms/Sample.html#any-long-

            ...

            ANSWER

            Answered 2021-Jun-08 at 13:40

            OK, so my initial solution for that is to use Stateful DoFn like this (I'm using Scio's Scala SDK as mentioned in the question):

            Source https://stackoverflow.com/questions/67885943

            QUESTION

            How to change model names in Abaqus wrt an array list?
            Asked 2021-Jun-07 at 17:35

            I am trying to change Model names in Abaqus with respect to the values in an array list. At first, I created two array lists and divided them but it is not a good idea as I will have 100 values later on in Beam_h and Beam_w and the values will repeat.. What can I do if I want to have my model names be: model20-10, model30-10, model50-10? Also, the loop I used so far gives me model0, model1, model2. What to write in the loop to get desired model names?

            ...

            ANSWER

            Answered 2021-Jun-07 at 02:01

            I think, you just need to figure out string concatenation.

            You need to check for duplicate model names as well. Because Abaqus replaces the already existing model if you create a model with duplicate name.
            To address this issue, you can use dictionary object in following way:

            Source https://stackoverflow.com/questions/67849937

            QUESTION

            Spark multicharacter delimiter write Unprintable characters in data written
            Asked 2021-Jun-04 at 18:02

            I am having a process which creates feed to external systems which is having a multi character delimiter. The data itself have some json document as columns. I amusing spark 2.3 , yet to upgrade to higher version

            ...

            ANSWER

            Answered 2021-Jun-04 at 18:02

            First of all, you shouldn't save it as CSV if you don't actually use CSV's features, or its features would drive you nuts. Instead, you can save as a plain text file with the header prepended into original dataframe.

            Source https://stackoverflow.com/questions/67841252

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

            Vulnerabilities

            The Apache Beam MongoDB connector in versions 2.10.0 to 2.16.0 has an option to disable SSL trust verification. However this configuration is not respected and the certificate verification disables trust verification in every case. This exclusion also gets registered globally which disables trust checking for any code running in the same JVM.

            Install Beam

            You can download it from GitHub.
            You can use Beam 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 Beam 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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