Questions by slayer

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1 answer

Java and MySql: Delete database if exists

Sep 30, 2019 in Java • 2,389 views
0 votes
1 answer

Java and MySql: Check if database exists

Sep 30, 2019 in Java • 3,070 views
+1 vote
1 answer

How to create database in MySql using Java?

Sep 30, 2019 in Java • 3,390 views
0 votes
1 answer

How to connect Java to MySql Database?

Sep 30, 2019 in Java • 1,535 views
0 votes
1 answer

Why is using Combiner function not preferred in shuffling?

Jan 23, 2019 in Big Data Hadoop • 805 views
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1 answer

How to reduce shuffling cost in map reduce?

Jan 22, 2019 in Big Data Hadoop • 2,135 views
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1 answer

How to add peer to ethereum private network?

Jan 22, 2019 in Blockchain • 3,048 views
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1 answer

Problem monitoring geth instance

Jan 22, 2019 in Blockchain • 794 views
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1 answer

Spark.read.csv to create RDD into Dataframe

Jan 22, 2019 in Big Data Hadoop • 5,939 views
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1 answer

How to handle exceptions in Spark and Scala?

Jan 22, 2019 in Big Data Hadoop • 4,937 views
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1 answer

Creating a Parquet or Avro file

Jan 22, 2019 in Big Data Hadoop • 1,125 views
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1 answer

ReduceByKey Avereage

Jan 22, 2019 in Big Data Hadoop • 882 views
0 votes
1 answer

Not able to deploy smart contract to private network

Jan 18, 2019 in Blockchain • 1,010 views
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1 answer

Testrpc can't find log handlers

Jan 18, 2019 in Blockchain • 1,050 views
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1 answer

Truffle migrate Server Error

Jan 18, 2019 in Blockchain • 556 views
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1 answer

UnsupportedClassVersionError while running Mapreduce program.

Jan 18, 2019 in Big Data Hadoop • 988 views
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1 answer

Class not found exception when I am running my Word Count Program jar file

Jan 18, 2019 in Big Data Hadoop • 1,356 views
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1 answer

Truffle "Migrations" ran out of gas error

Jan 17, 2019 in Blockchain • 4,115 views
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1 answer

"Migrations" exceeded the block limit (with a gas value you set).

Jan 17, 2019 in Blockchain • 6,099 views
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1 answer

"Migrations" -- Returned error: authentication needed: password or unlock.

Jan 17, 2019 in Blockchain • 4,405 views
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1 answer

Truffle compile compilation failed

Jan 17, 2019 in Blockchain • 3,858 views
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2 answers

Truffle compile: SyntaxError: No visibility specified. Did you intend to add "public"?

Jan 17, 2019 in Blockchain • 3,967 views
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1 answer

geth attach command showing error: bind: address already in use

Jan 16, 2019 in Blockchain • 2,756 views
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2 answers

“geth attach” command shows error: Fatal: Unable to attach to remote geth

Jan 16, 2019 in Blockchain • 7,315 views
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1 answer

Not able to connect to Ethereum node in web browser

Jan 16, 2019 in Blockchain • 1,979 views
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1 answer

How to sync private nodes in geth and testRPC locally?

Jan 16, 2019 in Blockchain • 1,427 views
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1 answer

geth personal.newAccount() shows password error

Jan 16, 2019 in Blockchain • 953 views
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1 answer

Error while starting hadoop daemons

Jan 11, 2019 in Big Data Hadoop • 1,677 views
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1 answer

Error connecting hive using python pyhs2

Jan 11, 2019 in Big Data Hadoop • 2,502 views
+1 vote
1 answer

How to append data to a parquet file?

Jan 11, 2019 in Big Data Hadoop • 16,888 views
0 votes
1 answer

Why to use libraries over Json-RPC to interact with Blockchain?

Jan 11, 2019 in Blockchain • 802 views
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1 answer

How to interact with blockchain from web application?

Jan 11, 2019 in Blockchain • 1,514 views
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1 answer

Why is geth --fast faster in downloading the Blockchain?

Jan 10, 2019 in Blockchain • 1,085 views
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1 answer

How to get Node URL in private ethereum network?

Jan 10, 2019 in Blockchain • 1,907 views
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1 answer

admin.peer not working

Jan 10, 2019 in Blockchain • 567 views
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1 answer

How to get IP address of peer connected in private ethereum network?

Jan 10, 2019 in Blockchain • 3,185 views
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1 answer

How to check peer connectivity in ethereum private network?

Jan 10, 2019 in Blockchain • 1,599 views
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1 answer

How to check ethereum logs?

Jan 9, 2019 in Blockchain • 9,806 views
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1 answer

Not able to send ethers in private ethereum network

Jan 9, 2019 in Blockchain • 1,232 views
0 votes
1 answer

How to set miner threads outside geth console?

Jan 9, 2019 in Blockchain • 1,518 views
0 votes
1 answer

How to get account with ethers by default in ethereum private network?

Jan 9, 2019 in Blockchain • 1,753 views
0 votes
1 answer

Not able to unbox truffle drizzle

Jan 9, 2019 in Blockchain • 1,679 views
0 votes
1 answer

Sqoop creating new file for import evertime

Jan 8, 2019 in Big Data Hadoop • 1,230 views
+2 votes
2 answers

Getting error in schema-registry start command

Jan 8, 2019 in Apache Kafka • 5,137 views
0 votes
1 answer

Connect to Hive using Pyhive

Jan 8, 2019 in Big Data Hadoop • 5,477 views
–1 vote
1 answer

Python program that calculates and prints value according to formula

Jan 8, 2019 in Python • 5,311 views
0 votes
1 answer

Spark and Scale Auxiliary constructor doubt

Jan 8, 2019 in Apache Spark • 772 views
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1 answer

In Hue, how to to download the script?

Jan 7, 2019 in Big Data Hadoop • 1,428 views
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1 answer

Script storage in Hue

Jan 7, 2019 in Big Data Hadoop • 1,068 views
0 votes
1 answer

Extracting pig log messages

Jan 7, 2019 in Big Data Hadoop • 694 views
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