Geek Logbook

Tech sea log book

Scraping Whale Alerts

Following the questions about Whale-Alert first post. The whale alert page provides interesting information about whales, in the cryptocurrency argot it’s a transaction above certain amount of money. These are the transactions which are above a certain level of price. You can see this information on their webpage However, I wonder how many bitcoins,

Resource from Vanguard ETF

Looking for vanguard ETF data is not an easy task. Because there are a lot of pages that need to subscribe or even purchase a subscription. So, we can’t access to free information. I don’t know if this behavior is normal across the industry, or I am thinking wrong about that. Because the composition of

Load data from Snowflake to S3

If you want to load data from Snowflake to S3 should try to use the COPY INTO command so, you run something like this command in the snowflake Web App: copy into @my_ext_unload_stage/d1 from mytable; And receive the following error: Failure using stage area. Cause: [Access Denied (Status Code: 403; Error Code: AccessDenied)] To solve

Load CSV file from S3 to NEO4J

If you try to load data from S3 to NEO4J you are going to need to presing the file. So you need to expose the data to somebody that have the file. So, first you need to presing the file: aws s3 presign s3://rohank/actors.csv And then you can load the data on your NEO4J Instance:

Agro Analytics Datasets

Looking for data set to put into practice some knowledge about Agroanalytics, I find some interesting challenges: There are a lot of courses about it, for example, at Wageningen University (In fact, there are some exciting courses in @edXOnline) But, I’ve had some problems in getting valuable Agro Analytics datasets to work or play in

What is Whale Alert

Whale alert is a blockchain tracker, which reports interesting transactions. Especially the larger ones.  It is a process that follows the blockchain transaction to know if the transfer value exceeds a certain limit considered important. As Whale alert said on its webpage: “At Whale Alert we track these transactions made on various blockchains, convert them