Recent questions tagged Apache

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apache flex - Displaying progressbar for file upload

I need to create an application where I can add files for upload. As I add items for upload, a progressbar ... Can anyone provide help me out? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - Writing R data frames returned from SparkR:::map

I am using SparkR:::map and my function returns a large-ish R dataframe for each input row, each of the ... collect(output.list) return(NULL) } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache kafka - Error: Invalid value "sasl_ssl" for configuration property "security.protocol"

I'm using node-rdkafka to connect to IBM MessageHub with the following options: var options = { // 'debug': ... (Ubuntu). Please advice. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache poi - How to read result of HYPERLINK() function in POI

Apache Poi can evaluate and return results of functions in formulas. However for the special function HYPERLINK(), it ... read the actual URL? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache pig - Load multiple files in pig

I am new to pig. In pig, I want to load multiple files with timestamps at their names. If I load files ... of code? Thanks for any help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache HttpClient to access facebook

Any examples, tips, guidance for the following scenario? I have used Apache HttpClient to simulate ... FacebookErrorCode.Error_Global_NoError; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - .htaccess redirect all pages except the home page

I have just merged two websites. Site A is now merged with site B. Site A has got a .htaccess file which ... code above to make that happen? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - Using Scala classes as UDF with pyspark

I'm trying to offload some computations from Python to Scala when using Apache Spark. I would like to use the ... I'd greatly appreciate hints! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - htaccess rewrite

I am trying to rewrite a url from a sub-directory of the web root. http://mysite.com/wiki/index.php/Main_Page to ... ./index.php?$1 [PT,L,QSA] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache poi - Export to excel while it contains huge data

While I am exporting excel which has huge data(ex:100 rows) I am getting below alert while opening sheet. And if we ... can I do to avoid this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache nifi - I have two Json payload. I want to merge them in a single Json object

I have two payloads and want to merge them into single JSON object (streaming join). At few places people are suggesting ... short":"true" } ] } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - Rewrite GET Query String using .htaccess

I want to Rewrite my GET Query String from this - http://www.example.com/verify.php?key=547b52f2b5d20d258e62de1e27b55c to ... php?key=$1 [NC,L] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - "Waiting for available socket", fix from the server end

I am accessing my PHP/Apache website from Chrome. And Chrome refuses to load the page, saying "Waiting for available ... how I can fix this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - Handle string to array conversion in pyspark dataframe

I have a file(csv) which when read in spark dataframe has the below values for print schema -- list_values: string ( ... . '[]' to [] conversion See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - Why does createDataFrame reorder the columns?

Suppose I am creating a data frame from a list without a schema: data = [Row(c=0, b=1, a=2), Row ... order of columns without adding a schema ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - php upload file error code 3

Upload bigger file( > 10KB) will get error code 3(UPLOAD_ERR_PARTIAL) in $_FILES['file']['error'] and small file( < 10KB ... ']['name']); } ?> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - How to display a streaming DataFrame (as show fails with AnalysisException)?

So I have some data I'm stream in a Kafka topic, I'm taking this streaming data and placing it into a DataFrame. I ... 10.2.1, and Spark 2.2.0 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark sql - Unsupported literal type class scala.runtime.BoxedUnit

I am trying to filter a column of a dataframe read from oracle as below import org.apache.spark.sql.functions.{col ... here and how to fix this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - Kafka - Could not find a 'KafkaClient' entry in the JAAS configuration java

I'm having some troubles with a simple Kafka consumer program: 18/06/04 18:13:49 ERROR /log/log.txt: org. ... you please help me? Thank you! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - PHP echo-ing content as page loads

So I'm doing some experimenting with PHP/Apache. Let's say I have this code. <div>DIV 1</div> <?php ... that? Is this some setting in Apache? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - Why does SparkSQL require two literal escape backslashes in the SQL query?

When I run the below Scala code from the Spark 2.0 REPL (spark-shell), it runs as I intended it, ... 0_111, and the Hadoop winutils.exe. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - How to fetch HTTP headers in perl when using CGI

I'm using Perl/CGI/Apache and want to fetch the X-Forwarded-For HTTP header. How do I do that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache nifi - How to stop the single processor in nifi1.1.0 using rest api

I am trying to stop the processor which is in running state using the PUT method in rest api /processors/{ ... the processor. Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache kafka - If i set 'compression.type' at topic level and producer level, which takes precedence

I'm trying to understand the 'compression.type' configuration and my question is, If i set 'compression.type ... level, which takes precedence? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - Mod_rewrite check if php file exists

I'm trying to write a few mod_rewrite rules. Everything is working fine at the moment. At the moment my generic ... I appreciate the replies :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - Blocking multiple ip ranges using mod access in htaccess

I read the guide from apache site but I'm a bit confused, I'm trying to ban some ranges using this syntax ... script too (for anti-hotlinking). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - sqlContext HiveDriver error on SQLException: Method not supported

I have been trying to use sqlContext.read.format("jdbc").options(driver="org.apache.hive.jdbc.HiveDriver") ... deal with fine-grained security. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache poi - How to get datavalidation source for a cell in java using poi?

I have defined a list of valuses my_list in one excel sheet as follow: In another excel sheet, I reference for ... list my_list from the cell? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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