I usually use Google BigQuery only for simple aggregate SQL, but there are many other useful functions besides aggregate SQL. However, since I don't use it often and when I do try to use it, I start by looking for a manual, so I'll put tog…

The first time I used a BI tool, I was confused by the difference between "dimensions" and "measures. I will try to briefly explain the differences and ideas here. name In Tableau, they are called "dimensions" and "measures". In PowerBI, t…

This is a memo on how to use Microsoft SQL Server (MSSQL) with JavaScript. The library is tedious, which is also recommended by Microsoft. tedios is a callback style library, but it is written in async, await, and TypeScript in a modern st…

You will always find string, byte, and rune in introductory Go language books. However, when you start to program, the frequent interconversions between each of them can be confusing. In such cases, we tend to somehow convert the type and …

To the UI for specifying the display range of time series graphs The default is to show the most recent X days, and you can specify any date in the calendar when you need it." I often see things like this. But I can't do the equivalent wit…

I was working on a program related to GCP and wanted to store some data. It was a one-off piece of data that was not large enough to set up a database, nor was it likely to write a join query between the data. To begin with, setting up a d…

I usually use Google BigQuery only for simple aggregate SQL, but there are many other useful functions besides aggregate SQL. However, since I don't use it often and when I do try to use it, I start by looking for a manual, so I'm going to…

I usually use Google BigQuery only for simple aggregate SQL, but there are many other useful functions besides aggregate SQL. However, since I don't use it often and when I do try to use it, I start by looking for a manual, so I'll put tog…

I usually use Google BigQuery only for simple aggregate SQL, but there are many other useful functions besides aggregate SQL. However, since I don't use it often and when I do try to use it, I start by looking for a manual, so I'll put tog…

I usually use Google BigQuery only for simple aggregate SQL, but there are many other useful functions besides aggregate SQL. However, since I don't use it often and when I do try to use it, I start by looking for a manual, so I'll put tog…

I have read Markdown, edited it in various ways as I wanted, and wanted to output it to Markdown again. I used a JavaScript Markdown parser called remark. However, it is difficult to understand how to use it, and I am sure I will forget ho…

For some time now, we have been putting together a list of how to use Selenium, puppeteer, and Playwright. Since the summary is getting long, I will put the operations that require some explanation and procedures in a separate article. Her…

For a while now, I have been putting together a list of how to use Selenium, puppeteer, and Playwright. Since the summary is getting long, I will put the operations that require some explanation and procedures in a separate article. Here i…

I had previously tested both Selenium and Playwright for comparison. Now that I've learned how to use them, I've compiled a brief summary of how to use them in the following article so that I can quickly recall them when I need to use them…

I usually use SQL, but when I am working with array data in JavaScript, I sometimes wish I could write queries in SQL for JavaScript arrays. On the other hand, C# has a language called LINQ that can process arrays with SQL-like queries. Th…