Questions tagged [mining]

235 questions
0
votes
1 answer

python and redis, unclear syntax

This is copy of the code in mining the social web book. I am a new in this field and with redis too. I want to understand what does $ mean in this context. Also the print with %s, What does it mean? This is the source code below (from:…
user1511208
  • 67
  • 1
  • 3
  • 9
0
votes
2 answers

Determining Exact URL from a link inside wiki text

In a wikipedia's article text, a link might be mentioned like: [Category:A B C], however the exact wiki url will have suffix like Category:A_B_C From where I can get the information regarding all these rules which wiki uses to get the url from a…
snow_leopard
  • 1,466
  • 2
  • 20
  • 36
-1
votes
1 answer

batch or powershell method with timestamp log for a program?

I am a miner and i mine from gpu. Sometimes there is a CUDA error that stops mining, I am looking for a batch script which monitors the temperature of all gpu's and if somehow the temperature falls below 50 for 2 mins continuously then create a log…
Frankruss
  • 33
  • 8
-1
votes
1 answer

How can I use Metamask RPC API to build an Ethereum miner?

I am tring to build an Ethereum miner using Metamask RPC. I saw eth_getWork and eth_submitWork methods, but I can't use them because I need to connect as a miner first. How can I do that? Thanks for your help!
TheNCoder
  • 1
  • 1
-1
votes
2 answers

Validate mining share in NodeJS before submit to pool (Stratum)

I am trying to validate share if it meets minimum difficulty. I have all required data to create block hash and compare with difficulty. My code is not generating valid block hash, but don't understand why. My code with example data: const crypto =…
-1
votes
1 answer

Running getblocktemplate on a remote node or a local node without syncing

Hi I've been trying to learn more about Bitcoin mining and was reading about the getblocktemplate protocol. I came across this page. At the bottom, it has this example which would be useful for playing around with: curl --user myusername…
DanB91
  • 1,399
  • 1
  • 13
  • 23
-1
votes
1 answer

error: object Stemmer is not a member of package org.apache.spark.mllib.feature

Importing the package org.apache.spark.mllib.feature.Stemmer in Spark-shell using Scala returns the following error: :47: error: object Stemmer is not a member of package org.apache.spark.mllib.feature import…
k_bm
  • 81
  • 1
  • 10
-1
votes
1 answer

Parallel execution of several OpenCL kernels on Radeon card

On Nvivdia card i used to create a lot of queues, then enqueue the kernel in each queue and it made the kernels be executed parallel. It used to really speed up my program. But now i use a Radeon card and this trick doesn't work anymore. I can see…
ololo
  • 1
-1
votes
1 answer

Is there a Python text mining script to classify text with multiple classifications?

Classification of descriptions into categories I have a problem that involves determining what category a text description falls under. These text descriptions are entered in by users and may contain keywords that can be matched to a specific…
-1
votes
1 answer

How to bundle related words with text mining in R

I have data of advertisements posted on a secondhand site to sell used smartphones. Each ad describes the product that is being sold. I want to know which parameters are most often described by sellers. For example: brand, model, colour, memory…
-1
votes
1 answer

Why do all these commands on my ocm_cpuminer.exe black screen mean?

I have been using OnclickMiner to Mine for VertCoin, but still can't get exactly what's going on when I run the software. I have installed OneClick Miner and the wallet, to solo-mine. Now, I have enabled the CLI option in the OCM settings to show…
SeyedMostafa
  • 5
  • 1
  • 3
-1
votes
1 answer

WHy support count of candidate 3-itemset "bread milk diaper" is given as 3, Apriori algorithm,

WHy support count of candidate 3-itemset "bread milk diaper" is given as 3, although it appears in only 2 transctions, kindly check the apriori algorithm association mining in datamining text book by Pang-ning tan, vipin kumar and steinbach please…
nagesh
  • 17
  • 1
  • 2
-1
votes
1 answer

How authority in Parity Proof of Authority chain choose to mine

I implemented a Parity Proof of Authority private chain, running 2 authority nodes and 3 users nodes. I managed to credit ether in the users nodes, and with one of the user node, i made a transaction.. and it worked ! The thing is, I don't…
-1
votes
1 answer

How is a fake chain handled in bitcoin?

I wonder how the following scenario is handled in bitcoin/crypto: Let's say evilminer has 10% mining power of a coin and he secretly mines blocks while the real chain is growing from blockheight 900 to 1000. He starts with a faked block 995 and…
user3776738
  • 214
  • 2
  • 10
  • 27
-1
votes
1 answer

Having trouble Scraping Information from a text / pdf file into R

I track various information relating to the water in California on a daily basis. The people before me have done this by manually entering the data sourced from websites. I have begun to automate this process using R. It has gone well so far using…
Ethan James
  • 41
  • 10