Recent questions tagged Apache

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apache spark - How can I combine(concatenate) two data frames with the same column name in java

Can I append a dataframe to the right of other dataframe having same column names 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 kafka - How to make restart-able producer?

Latest version of kafka support exactly-once-semantics (EoS). To support this notion, extra details are added to ... not looking for quick fix 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 poi - How to set table of content's font style including font color, font size and bold in poi word?

I using doc.createTOC(); to generate table of content in poi word(XWPF), and using addCustomHeadingStyle(doc, ... styles.addStyle(style); } See Question&Answers more detail:os...

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

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668 views

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apache spark - How to load a file in each executor once?

I define the following code in order to load a pretrained embedding model: import gensim from gensim.models. ... .executor.instances" to 3 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 - .htaccess and seo-friendly urls

We have an ecommerce site right now that carries a range of brands. The brand pages carry urls as follows: http ... something, no? 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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814 views

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apache spark - GraphX - Retrieving all nodes from a path

In GraphX, is there a way to retrieve all the nodes and edges that are on a path that are of a certain ... list of nodes and edges. 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 poi - How to replace placeholders in header of docx in java using poi 3.8

I'm tying to replace tokens in the header of docx file.I have handled the token replacement in paragraphs and ... java using eclipse ID. Thanx 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 - Why is my PHP source code showing?

So, I added the following to my http.conf file: Listen443 NameVirtualHost *:443 <VirtualHost *:443> DocumentRoot / ... be the reason for 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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apache - Redirecting URLs (with specific GET parameters)

I have this old survey link that is has been superseded by another link, so basically I want anyone ... another rewrite rule currently running. See Question&Answers more detail:os...

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

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738 views

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apache spark - Caching dataframes while keeping partitions

I'm on Spark 2.2.0, running on EMR. I have a big dataframe df (40G or so in compressed ... caching which preserves the partitoning information See Question&Answers more detail:os...

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

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766 views

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apache spark - Split Contents of String column in PySpark Dataframe

I have a pyspark data frame whih has a column containing strings. I want to split this column into words Code: >> ... -+ How can I 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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691 views

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apache - How do I use .htaccess RewriteRule to change underscores to dashes

I'm working on a site, and its CMS used to save new page urls using the underscore character as a ... Any ideas would be greatly appreciated! See Question&Answers more detail:os...

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

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761 views

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apache spark - Apply a transformation to multiple columns pyspark dataframe

Suppose I have the following spark-dataframe: +-----+-------+ | word| label| +-----+--- ... the current row, to multiple columns simultaneously? See Question&Answers more detail:os...

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

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670 views

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apache - redirecting www.subdomain.example.com to subdomain.example.com

I've had some users trying to access a site that is registered as subdomain.example.com with www.subdomain.example ... have to change DNS stuff? See Question&Answers more detail:os...

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

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830 views

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apache - How to set Php's auto_prepend_file directive per directory?

Background: I've got some code that checks to see if a user has a valid session before processing the php ... htaccess. Am I missing something? See Question&Answers more detail:os...

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

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629 views

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apache - htaccess RewriteRule page with query string

I have a set of pages that I'm trying to redirect to new URLs. They have different query strings in the ... 's passing the query string along. See Question&Answers more detail:os...

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

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1.8k views

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apache spark - How to add suffix and prefix to all columns in python/pyspark dataframe

I have a data frame in pyspark with more than 100 columns. What I want to do is for all the column names ... it should return a data frame. See Question&Answers more detail:os...

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

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643 views

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apache - mod_wsgi and multiple installations of python

This is kind of a continuation of this question, but it has deviated so I started a new one. I'd like to use ... /2.5 Still no luck. Ideas? See Question&Answers more detail:os...

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

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753 views

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apache spark - Pyspark append executor environment variable

Is it possible to append a value to the PYTHONPATH of a worker in spark? I know it is possible to go to each ... Does anyone know how to do it? See Question&Answers more detail:os...

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

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779 views

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apache spark - How to Generate Parquet File Using Pure Java (Including Date & Decimal Types) And Upload to S3 [Windows] (No HDFS)

I recently had a requirement where I needed to generate Parquet files that could be read by Apache Spark using only ... on how I achieved 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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1.1k views

1 answer

apache spark - How to set group.id for consumer group in kafka data source in Structured Streaming?

I want to use Spark Structured Streaming to read from a secure kafka. This means that I will need to force ... a specific consumer group.id? See Question&Answers more detail:os...

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

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987 views

1 answer

apache spark - How to pass a constant value to Python UDF?

I was thinking if it was possible to create an UDF that receives two arguments a Column and another variable (Object,Dictionary ... ---+-------+ See Question&Answers more detail:os...

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

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907 views

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apache - PHP - a different open_basedir per each virtual host

I've came across on this problem, I have a sever running apache and php. We have many virtual hosts but we ... that path. Thank in advance Lopoc See Question&Answers more detail:os...

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

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900 views

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apache spark - How to change job/stage description in web UI?

When I run a job on Apache Spark, the web UI gives a view similar to this: While this is incredibly useful for me ... If so, how would I do so? See Question&Answers more detail:os...

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

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725 views

1 answer

apache spark - How to force inferSchema for CSV to consider integers as dates (with "dateFormat" option)?

I use Spark 2.2.0 I am reading a csv file as follows: val dataFrame = spark.read.option("inferSchema", ... the reason/solution for this issue? See Question&Answers more detail:os...

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

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922 views

1 answer

apache spark - Add a new column to a Dataframe. New column i want it to be a UUID generator

I want to add a new column to a Dataframe, a UUID generator. UUID value will look something like 21534cf7-cff9 ... which can generate the UUID. See Question&Answers more detail:os...

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

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707 views

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apache - WAMP - Your port 80 is actually used - Error

I installed Wamp server and when I open it, it never gets online. It always stays orange (offline). I read ... ideas how to make this work? See Question&Answers more detail:os...

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

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484 views

1 answer

apache - Can a PHP file name (or a dir in its full path) have UTF-8 characters?

I would like to access a PHP file whose name has UTF-8 characters in it. The file does not have a BOM ... characters in file and/or path name. See Question&Answers more detail:os...

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

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