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Salesforce is a CRM (customer management system) and web service used all over the world.Although it is a SaaS service, it can be customized to a certain extent, so many companies use it for purposes other than sales. Salesforce has a function to create "report". Although it is inferior in terms of functionality compared to various BI tools, it is convenient to be able to create tables and graphs

Salesforce is a CRM (customer relationship management system) and web service used all over the world. Although it is a SaaS service, it can be customized to a certain extent, so many companies use it for purposes other than sales. One of Salesforce's features is "quick text". "Quick text" is a function that assists character input, and it is a function that allows you to select and input a fixed

I can't input text in PyCharm. Why does PyCharm refuse my input? PyCharm is famous IDE of Python. But sometimes it refuses our text input. When we tried to input text in PyCharm, text is not displayed. Why does PyCharm refuse our text input? Today I will introduce about "The reason why you can't input text in PyCharm". What is PyCharm ? PyCharm is a kind of editor for writing program. It is made b

Not only Python but also other program, you want it to wait input from keyboard. But what should we write to wait input. Today I will introduce about "How to wait input from keyboard in Python". Get character from keyboard In order to get character from keyboard, we use "standard input". "Standard input" means standard source of input. It is abstracted. But you can consider "standard input" as "ke

You might see such an error when you tried to do logical operation. ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all(). Why does such kind of error happen ? How can we solve it ？ So today I will introduce about "The reason of "ValueError: The truth value of a Series is ambiguous" in NumPy or Pandas". The reason of "ValueError: The truth value

BigQuery(BQ) is very useful for data analysis or processing.It is good at handling huge data. It returns summary result in short time. When we handle data, sometimes we would like to do numbering.For example, extract from first to third record in each category.In order to get ranking in whole data, we should use order by clause. But how can we get ranking number ? And also if 4 records have same s

BigQuery(BQ) is very useful for data analysis or processing.It is good for handling huge data.It returns summary result in short time. BQ has one useful data format "array". When we consider array as vector, we may want cosine similarity of vectors. So how can we get cosine similarity ? So today I introduce about "How to calculate cosine similarity of array in BigQuery". What is cosine similarity

BigQuery(BQ) is very useful for data analysis or processing. It is good at handling huge data. It returns summary result in short time. BQ has one useful data format array. It can handle multiple data like [1,2,3] in 1 row. But how can we create array data from column data. So today I introduce about "How to convert BigQuery column to array".

I got datetime convert error when I tried to select datetime column of spreadsheet. BigQuery(BQ) is very useful for data analysis or processing. It is good at handling huge data. It returns summary result in short time. And we can use spreadsheet as data source of BigQuery. But you may get such kind of message when you try to select spreadsheet data.

Sometimes we would like to calculate datetime in Python. Then we search like "Python date time calculate". So today I introduce about "How to calculate datetime in Python". How to calculate datetime in Python In order to calculate datetime in Python, we can use timedelta with datetime module. datetime module When we deal with date or time, we use datetime module. If you want to set fixed date, you