Recent questions tagged Apache

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apache - htaccess redirect index.php to root (including subdomains)

I'm trying to redirect index.php files to the root /, I've searched around and found several snippets ... subdomain.domain.com/folder1/folder2/ See Question&Answers more detail:os...

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

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581 views

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apache spark - When are accumulators truly reliable?

I want to use an accumulator to gather some stats about the data I'm manipulating on a Spark job. Ideally, I ... issue would be great! 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 kafka - How to change start offset for topic?

It is possible to change the start offset for a new topic? I would like to create a new topic and start reading from the offset 10000. How? 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 - Redirect HTTP to HTTPS on default virtual host without ServerName

On my apache server I'd like to be able to redirect all incoming http requests to the equivalent https request. ... have to resort to Rewrite? 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 prevent java.lang.OutOfMemoryError: PermGen space at Scala compilation?

I have noticed a strange behavior of my scala compiler. It occasionally throws an OutOfMemoryError when compiling ... for your insights. See Question&Answers more detail:os...

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

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912 views

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apache spark - PySpark - rename more than one column using withColumnRenamed

I want to change names of two columns using spark withColumnRenamed function. Of course, I can write: data = ... to do this that way? 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 - My httpd.conf is empty

I recently installed apache2 on ubuntu but I have a problem, my httpd.conf is empty. Can someone give ... Apache2 configuration under Ubuntu.] 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 do I use https (SSL) in XAMPP while using virtual hosts

I am writing a php app on my local machine and would like to test to see if SSL is working. Bear with ... so was uncommented in httpd.conf file 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 flex - How to pass "Null" (a real surname!) to a SOAP web service in ActionScript 3

We have an employee whose surname is Null. Our employee lookup application is killed when that last name is ... object from a ColdFusion page. 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 - Saving dataframe to local file system results in empty results

We are running spark 2.3.0 on AWS EMR. The following DataFrame "df" is non empty and of modest size: scala> df. ... Hive 2.3.2, Zeppelin 0.7.3 See Question&Answers more detail:os...

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

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994 views

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apache spark - AWS EMR - ModuleNotFoundError: No module named 'pyarrow'

I am running into this problem w/ Apache Arrow Spark Integration. Using AWS EMR w/ Spark 2.4.3 Tested this ... table = pa.Table.from_pandas(df) See Question&Answers more detail:os...

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

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871 views

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apache poi - POI 4 XPages - document generation works only once

Ok, to be honest: the headline doesn't tell the whole truth. I am using a custom control with several ... "printing". Thanks in advance! See Question&Answers more detail:os...

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

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664 views

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apache - use htaccess to add www with https support

There are a lot of code examples for using .htaccess to add www to a url but they are usually confined to using ... it to work in both 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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1.2k views

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apache spark sql - Schema comparison of two dataframes in scala

I am trying to write some test cases to validate the data between source (.csv) file and target (hive table). One of the ... (_) => null } } } } See Question&Answers more detail:os...

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

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792 views

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apache - redirect all wildcard subdomains to root domain

Okay, I have done a fair amount of searching but still can't find something specific enough to handle my ... 't find anything specific enough. See Question&Answers more detail:os...

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

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701 views

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apache spark - reading json file in pyspark

I'm new to PySpark, Below is my JSON file format from kafka. { "header": { "platform":"atm", " ... in ValueError: too many values to unpack See Question&Answers more detail:os...

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

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860 views

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apache spark - PySpark: how to resample frequencies

Imagine a Spark Dataframe consisting of value observations from variables. Each observation has a specific timestamp and ... an efficient way? See Question&Answers more detail:os...

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

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896 views

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apache - Premature end of script headers: index.php, mod_fcgid: read data timeout in 61 seconds

I wrote a simple crawling script (in php) at localhost (with 4 variations). All of them worked fine at ... to these errors? Any 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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513 views

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apache - Inconsistency when switching between development to live server?

I always have trouble when moving a site that I've developed in localhost into my hosting server with the . ... " for the .htaccess file? See Question&Answers more detail:os...

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

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763 views

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apache - .htaccess 301 redirect for all https to http EXCEPT ONE PAGE

Here is the code I have currently in my .htaccess file: Options +FollowSymLinks RewriteEngine on RewriteBase / ... be https. Thanks, Chris See Question&Answers more detail:os...

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

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757 views

1 answer

apache tomcat 9.x not working with eclipse & Java 10.0.1

I've installed apache-tomcat-9.0.7 on my windows machine and have following environment configurations: echo ... 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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678 views

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apache - SSE(EventSource): why no more than 6 connections?

I wanted to see how many simultaneous SSE (aka EventSource) connections I could setup, before overloading my machine. But ... sleep(1); } ?> See Question&Answers more detail:os...

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

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808 views

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apache spark - Mind blown: RDD.zip() method

I just discovered the RDD.zip() method and I cannot imagine what its contract could possibly be. I ... zip() results are reproducible? See Question&Answers more detail:os...

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

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709 views

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apache spark - Reading csv files with quoted fields containing embedded commas

I am reading a csv file in Pyspark as follows: df_raw=spark.read.option("header","true").csv(csv_path) However, ... -22,1333,2019-11-23,CODEBLUE See Question&Answers more detail:os...

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

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667 views

1 answer

apache spark - Mind blown: RDD.zip() method

I just discovered the RDD.zip() method and I cannot imagine what its contract could possibly be. I ... zip() results are reproducible? See Question&Answers more detail:os...

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

0 votes

710 views

1 answer

apache spark - Reading csv files with quoted fields containing embedded commas

I am reading a csv file in Pyspark as follows: df_raw=spark.read.option("header","true").csv(csv_path) However, ... -22,1333,2019-11-23,CODEBLUE See Question&Answers more detail:os...

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

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745 views

1 answer

apache - php hide ALL errors

what are the best practises for hiding all php errors? As I don't want ERRORS to show to the user. I've ... methods that will hide all errors? See Question&Answers more detail:os...

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

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653 views

1 answer

apache - mod_rewrite urlencoding an already urlencoded query string parameter - any way to disable this?

We have some very basic mod_rewrite rules: RewriteRule ^something.swf$ http://www.newdomain.com/something.swf [R=302,L] ... new URL via R=302. See Question&Answers more detail:os...

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

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