scalding | A Scala API

by twitter Scala Version: v0.17.4 License: Apache-2.0

X-Ray Key Features Code Snippets Community Discussions(8)Vulnerabilities Install Support

kandi X-RAY | scalding Summary

scalding is a Scala library typically used in Big Data, Spark, Hadoop, Example Codes applications. scalding has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

Scalding is a Scala library that makes it easy to specify Hadoop MapReduce jobs. Scalding is built on top of Cascading, a Java library that abstracts away low-level Hadoop details. Scalding is comparable to Pig, but offers tight integration with Scala, bringing advantages of Scala to your MapReduce jobs.

Support

Quality

Security

License

Reuse

Support

scalding has a medium active ecosystem.

It has 3426 star(s) with 710 fork(s). There are 324 watchers for this library.

It had no major release in the last 12 months.

There are 286 open issues and 329 have been closed. On average issues are closed in 222 days. There are 31 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of scalding is v0.17.4

Quality

scalding has no bugs reported.

Security

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

License

scalding 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.

Reuse

scalding releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

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scalding Key Features

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scalding Examples and Code Snippets

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Community Discussions

Trending Discussions on scalding

HTML, CSS: Responsive navigation bar drawing under text

HTML Text Wrapping Behind Vertical Navigation

How to mock a TextLine for Scalding using the type safe API?

Reduce factor levels in same column

NoSuchMethodError when running scalding job

Loop through different tables with variable names

Use AWS Java SDK inside EMR Job

QUESTION

HTML, CSS: Responsive navigation bar drawing under text

Asked 2020-Sep-20 at 21:00

I have been working on a new site and when I was trying to use the navigation bar (while in mobile device mode) the navigation bar started drawing under the text. I have checked the code from my previous website and I just do not understand why it does not work. I can't even interact with the navigation bar.

Here is what happens: https://gyazo.com/91ca07c2fafd81355152f5c2379fd89d

Here is the code: HTML:

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ANSWER

Answered 2020-Sep-20 at 21:00

Increase z-index of the if the element you want to be on top. simple example:

Source https://stackoverflow.com/questions/63981742

QUESTION

HTML Text Wrapping Behind Vertical Navigation

Asked 2019-Apr-23 at 09:31

I'm in the process of building a small website for my Roleplay group, and was overjoyed to figure out how to create a vertical navigation bar, but I'm noticing that on every display, the text falls behind it.

Is there a way to set where text begins and navigation ends?

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ANSWER

Answered 2017-Apr-06 at 13:29

The reason of why "text falls behind navigation" is: the ul element's position is fixed, which makes it detached from document (moved to another layer and does not occupy any space in the page). Thus the text occupies all page space and part of them falls behind ul.

As you may need fixed ul for good reason, the below code only adds one css rule -- define left padding for text, which leaves space for ul element display:

Source https://stackoverflow.com/questions/43256055

QUESTION

How to mock a TextLine for Scalding using the type safe API?

Asked 2018-Jul-26 at 03:20

I am trying to mock a TextLine for a Scalding job, but the offset appears to be getting mixed in with the line, whether I express the offset explicitly or implicitly.

Here is my job:

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ANSWER

Answered 2018-Jul-26 at 03:20

In this specific case, the problem is the extra set of parenthesis around Data1. If you instead wrote:

Source https://stackoverflow.com/questions/51527278

QUESTION

Recommended way to access HBase using Scala

Asked 2018-Jul-20 at 11:34

Now that SpyGlass is no longer being maintained, what is the recommended way to access HBase using Scala/Scalding? A similar question was asked in 2013, but most of the suggested links are either dead or to defunct projects. The only link that seems useful is to Apache Flink. Is that considered the best option nowadays? Are people still recommending SpyGlass for new projects even though it isn't been maintained? Performance (massively parallel) and testability are priorities.

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ANSWER

Answered 2018-May-19 at 05:37

According to my experiences in writing data Cassandra using Flink Cassandra connector, I think the best way is to use Flink built-in connectors. Since Flink 1.4.3 you can use HBase Flink connector. See here

Source https://stackoverflow.com/questions/50416406

QUESTION

Reduce factor levels in same column

Asked 2018-Mar-22 at 23:19

I need to reduce the levels of a factor variable "Weapon Description" which has 80 levels, I want it as 8. I have previously used grepl when i wanted the outcome to be binary. Now as i need 8 levels, i am not sure how to proceed. Below example is how i would treat if outcome is binary. I need help extending it to 8 types.

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ANSWER

Answered 2018-Mar-22 at 23:19

library(dplyr)

Source https://stackoverflow.com/questions/49439495

QUESTION

NoSuchMethodError when running scalding job

Asked 2017-Aug-30 at 19:14

I am trying to upgrade a scalding job running on CDH 4.5 to CDH 5.5.1. The job uses json4s to parse through json data. I am getting the below error when I run the job on the cluster. It works well on my local machine.

I am using scala 2.10 & Scalding 0.15.0 versions.

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ANSWER

Answered 2017-Jun-01 at 14:04

NoSuchMethodError is always a sign for incompatible jar files. In your case i would say it is between jackson.module.scala and jackson.databind

Please Switch to the same Version of both files.

Source https://stackoverflow.com/questions/44309655

QUESTION

Loop through different tables with variable names

Asked 2017-Mar-02 at 20:28

I know what you'll say "that is one terrible design". I know, I have been coping with it for the last couple of months (again, it was not my design), but instead of scalding me, bear with me and help me with the answer, will you? Thanks!

I have a table that has a list of the names of some other tables:

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ANSWER

Answered 2017-Mar-02 at 15:31

Quick search pulled up this StackOverflow post. Basically you will want to set the table names into variables that you can then execute a query on using EXEC.

Hope this helps!

Source https://stackoverflow.com/questions/42559375

QUESTION

Use AWS Java SDK inside EMR Job

Asked 2017-Feb-04 at 14:15

I have a Scalding job packed in fatjar and running on EMR Hadoop cluster. Recently I added new feature requiring DynamoDB connection inside map. But as soon as mapper reaches DynamoDB initialization it throws following exception:

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ANSWER

Answered 2017-Feb-03 at 10:26

Problem is in Scalding serialization, not in binary incompatibility as I suspected initially. DynamodDB client is not serializable entity, because it contains things like handlers, thread pools, etc. Therefore it should be initialized straight inside job and declared as lazy val.

Source https://stackoverflow.com/questions/41966768

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