Apache Spark
Apache Spark is an open source distributed general-purpose cluster-computing framework. It provides an interface for programming entire clusters with implicit data parallelism and fault tolerance.
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Data science Python notebooks: Deep learning (TensorFlow, Theano, Caffe, Keras), scikit-learn, Kaggle, big data (Spark, Hadoop MapReduce, HDFS), matplotlib, pandas, NumPy, SciPy, Python essentials, AWS, and various command lines.
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Learn and understand Docker technologies, with real DevOps practice!
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Dec 30, 2021
Describe the bug
Using a time dimension on a runningTotal measure on Snowflake mixes quoted and unquoted columns in the query. This fails the query, because Snowflake has specific rules about quoted columns. Specifically:
- All unquoted column names are treated as upper case
- Quoted column names are case sensitive.
So "date_from" <> date_from
To Reproduce
Steps to reproduce
Distributed training framework for TensorFlow, Keras, PyTorch, and Apache MXNet.
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Feb 7, 2022 - Python
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List of Data Science Cheatsheets to rule the world
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A Flexible and Powerful Parameter Server for large-scale machine learning
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H2O is an Open Source, Distributed, Fast & Scalable Machine Learning Platform: Deep Learning, Gradient Boosting (GBM) & XGBoost, Random Forest, Generalized Linear Modeling (GLM with Elastic Net), K-Means, PCA, Generalized Additive Models (GAM), RuleFit, Support Vector Machine (SVM), Stacked Ensembles, Automatic Machine Learning (AutoML), etc.
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macOS development environment setup: Easy-to-understand instructions with automated setup scripts for developer tools like Vim, Sublime Text, Bash, iTerm, Python data analysis, Spark, Hadoop MapReduce, AWS, Heroku, JavaScript web development, Android development, common data stores, and dev-based OS X defaults.
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Alluxio, data orchestration for analytics and machine learning in the cloud
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PipelineAI Kubeflow Distribution
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Apr 24, 2020 - Jsonnet
DescribeDeltaDetailsCommand doesn't call DeltaLog.update after DeltaLog.forTable: https://github.com/delta-io/delta/blob/1fcb1dacc8d4ec671cd499676bb61d55d343cc2a/core/src/main/scala/org/apache/spark/sql/delta/commands/DescribeDeltaDetailsCommand.scala#L79
Hence it may return a stale result if DeltaLog.forTable returns a cached DeltaLog.
Building Large-Scale AI Applications for Distributed Big Data
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TensorFlowOnSpark brings TensorFlow programs to Apache Spark clusters.
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Jan 20, 2022 - Python
酷玩 Spark: Spark 源代码解析、Spark 类库等
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May 26, 2019 - Scala
The Hunting ELK
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May 12, 2021 - Jupyter Notebook
I have a simple regression task (using a LightGBMRegressor) where I want to penalize negative predictions more than positive ones. Is there a way to achieve this with the default regression LightGBM objectives (see https://lightgbm.readthedocs.io/en/latest/Parameters.html)? If not, is it somehow possible to define (many example for default LightGBM model) and pass a custom regression objective?
Interactive and Reactive Data Science using Scala and Spark.
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Oct 19, 2021 - JavaScript
Used Spark version
Spark Version: 2.4.4
Used Spark Job Server version
SJS version: v0.11.1
Deployed mode
client on Spark Standalone
Actual (wrong) behavior
I can't get config, when post a job with 'sync=true'. I got it:
http://localhost:8090/jobs/ff99479b-e59c-4215-b17d-4058f8d97d25/config
{"status":"ERROR","result":"No such job ID ff99479b-e59c-4215-b17d-4058f8d97d25"
Created by Matei Zaharia
Released May 26, 2014
- Repository
- apache/spark
- Website
- spark.apache.org
- Wikipedia
- Wikipedia


At this moment relu_layer op doesn't allow threshold configuration, and legacy RELU op allows that.
We should add configuration option to relu_layer.