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### Query engine
Spark
### Question
Im trying to setup local develop env for my testing purposes using docker
**Target is to save dataframe in a Iceberg format and Hive-metadata**
Here is my …
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>研究了[二叉堆实现原理](https://github.com/geosmart/geosmart.io/issues/11)，现在来看看JDK里面基于二叉堆的优先队列怎么实现的
> 从PriorityQueue的`概念，结构，参数，源码解析（offer,poll,remove,add,grow），性能，线程安全性，使用场景，常见问题`8个方面进行分析。
>* An `unbound…
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http://www.thxopen.com/life/2019/05/14/stop-learning-frameworks.html
最近阅读到一篇文章，原文标题《Stop Learning Frameworks》，读完之后感触很深，很赞同作者的观点，这里分享这篇文章，同时练习一下英语翻译，学习一些专业上的英语词汇和表达。下面是译文：请停止学习框架我们是开发者。我们需要与最新的技术保持同…
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I wrote the following code that successfully compiled and ran:
```java
AccumuloOutputFormat.configure().clientProperties(env.getClientProps()).createTables(true)
.defaultTable(tableNa…
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One thing that we discussed in the genetic algorithms conference call a few weeks ago but never got posted here was that it would be nice to be able to multi-thread learning runs. For monte-carlo this…
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好奇，捎带着理解一下概念，就看一下这书。权当为兴趣买单了。
前6章在讲 数学相关的基础，包括概率，分布，指标，信息熵之类的概念信息，并且举例进行介绍。
第7章讲向量(vector)，因为向量是大数据与机器学习的基础。
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We should create an article for "Initial job has not accepted any resources; check your cluster UI to ensure that workers are registered and have sufficient memory", since that seems to be a common is…
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### Description
Hi,
I created new connection to hive and connecting with zookeeper quorum, it is throwing below error. When I create direct connection to hive server, it is working fine. Can yo…
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I have followed the steps in https://github.com/MrPowers/spark-sbt.g8.
Why do some tests fail? Thanks.
```
$ sbt test
[info] [launcher] getting org.scala-sbt sbt 1.2.6 (this may take some tim…
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### Issues Policy acknowledgement
- [X] I have read and agree to submit bug reports in accordance with the [issues policy](https://www.github.com/mlflow/mlflow/blob/master/ISSUE_POLICY.md)
### Where…