Recent questions tagged Apache

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apache spark - How to create a custom streaming data source?

I have a custom reader for Spark Streaming that reads data from WebSocket. I'm going to try Spark ... source in Spark Structured Streaming? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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610 views

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apache - %N backreference inside RewriteCond

I'm working on a virtual domain system. I have a wildcard DNS set up as *.loc, and I'm trying to ... a RewriteCond in a following RewriteCond. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - Where is the reference for options for writing or reading per format?

I use Spark 1.6.1. We are trying to write an ORC file to HDFS using HiveContext and ... DataFrameWriter.html#options(java.util.Map) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - How to set up git over http?

I need to set up a git server with git-over-http (smart http), but the resources available online are ... lacking in the available resources. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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618 views

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apache spark - Pyspark and PCA: How can I extract the eigenvectors of this PCA? How can I calculate how much variance they are explaining?

I am reducing the dimensionality of a Spark DataFrame with PCA model with pyspark (using the spark ml library ... variance they are explaining? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - Calculating duration by subtracting two datetime columns in string format

I have a Spark Dataframe in that consists of a series of dates: from pyspark.sql import SQLContext from ... suggested way to achieve this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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837 views

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apache spark - How to create DataFrame from Scala's List of Iterables?

I have the following Scala value: val values: List[Iterable[Any]] = Traces().evaluate(features). ... sqlContext.createDataFrame(values) Why? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - Median / quantiles within PySpark groupBy

I would like to calculate group quantiles on a Spark dataframe (using PySpark). Either an approximate or exact result would be ... ---+-------+ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - Can't open file 'svn/repo/db/txn-current-lock': Permission denied

I have set up a Linux Server and installed Apache and SVN and dav_svn on it. Now, when I try to upload to ... set this/ what are the commands? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - XAMPP installation on Win 8.1 with UAC Warning

I am trying to install Xampp win32-1.8.2 on Windows 8.1. I get a message saying" Because an activated user ... . What should I do? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - Http Request Life Cycle

I have recently started my job as web application backend developer. I am bit stuck in understanding lifecycle of ... understand this in depth? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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616 views

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apache - mCrypt not present after Ubuntu upgrade to 13.10

After I have upgraded my system from Ubuntu 13.04 to 13.10 several problems have occurred with apache, ... -mysql install php5-readline install See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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724 views

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apache - htaccess "order" Deny, Allow, Deny

I would like to allow only one country access, but exclude proxies within this country. This is what I have ( ... do I go about doing this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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579 views

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apache - Error in exception handler. - Laravel

It's a Laravel-install related question. I have a public-facing Unix server setup: <VirtualHost *:80> ... don't reveal anything either. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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651 views

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apache spark - "Container killed by YARN for exceeding memory limits. 10.4 GB of 10.4 GB physical memory used" on an EMR cluster with 75GB of memory

I'm running a 5 node Spark cluster on AWS EMR each sized m3.xlarge (1 master 4 slaves). I successfully ... seem to solve the problem either. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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632 views

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apache - mod_rewrite - change URL case

Is there any straightforward way to change the case of any URL using mod_rewrite? I thought this was pretty trivial... ... /ID/123 and so forth. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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649 views

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apache poi - Using com.bea.xml.stream package on android

For getting Apache POI to work on Android, I need to get Stack to work on Android. Following ... -INFservicesjavax.xml.stream.XMLInputFactory See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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705 views

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apache - PHP method="post" stopped working after I added this .htaccess... Why?

I've added this .htaccess to remove file extension from the URL, so instead "index.php", it would show "index" ... won't hide .php in all cases See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - how to enable shell_exec and exec on php?

(There is some mention of this online, but none of the solutions worked.) I want to be able to use ... application/x-httpd-php-source .phps See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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666 views

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apache - Permission denied despite appropriate permissions using PHP

I'm trying to read a file in PHP and I'm getting a permission denied error although everybody has read access to ... why I'm getting the error? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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637 views

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apache - How can I mod_rewrite and keep query strings?

I want to mod_rewrite a URL to another page, but then I also want any query strings added to be preserved ... /condition would make this happen? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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665 views

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apache kafka - Karate: Convert string to karate native variable in javascript

Our test automation needs to interact with kafka and we are looking at how we can achieve this with ... /consumption.feature Many thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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642 views

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apache spark - Different default persist for Rdd and Dataset

I was trying to find a good answer why default persist for RDD is MEMORY_ONLY and for Dataset MEMORY_AND_DISK. ... a good reason behind? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - How to skip lines while reading a CSV file as a dataFrame using PySpark?

I have a CSV file that is structured this way: Header Blank Row "Col1","Col2" "1,200","1,456" "2,000", ... CSV file and skip the first two rows? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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931 views

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apache spark - How to fix java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List to field type scala.collection.Seq?

This error has been the hardest to trace. I am not sure what is going on. I am running a Spark cluster on my ... 'META-INF/*.DSA' zip64 true } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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575 views

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apache - Routing URLs in PHP

I'm working on a web page project. I decided to use Apache, PHP (5.1.7, version imposed by my ... map to templates/category/pagename.tpl). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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746 views

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apache POI java.lang.NoClassDefFoundError: org/apache/commons/compress/archivers/zip/ZipFile

I try to make word document using Apache POI 4.0.0, but i get error Exception in thread "AWT-EventQueue-0" java. ... SEVERE, null, ex); } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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886 views

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apache - Converting .htaccess to nginx (mod_rewrite)

I've got the following .htaccess file for my apache: <IfModule mod_rewrite.c> ?Options +FollowSymlinks # Options ... Thanks in advance, Marcell See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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