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- What is the difference between . text, . value, and . value2?
Using Value or Text is usually a bad idea because you may not get the real value from the cell, and they are slower than Value2 For a more extensive discussion see my Text vs Value vs Value2
- printing - Print variable and a string in python - Stack Overflow
If you are using python 3 6 and newer then you can use f-strings to do the task like this print(f"I have {card price}") just include f in front of your string and add the variable inside curly braces { } Refer to a blog The new f-strings in Python 3 6: written by Christoph Zwerschke which includes execution times of the various method
- Selenium: probably user data directory is already in use, please . . .
Selenium: probably user data directory is already in use, please specify a unique value for --user-data-dir argument, or don't use --user-data-dir Asked 5 months ago Modified 2 months ago Viewed 7k times
- sql - How to select only the first rows for each unique value of a . . .
In the table, one customer like John Smith can have multiple addresses I need the SELECT query for this table to return only first row found where there are duplicates in 'CName' For this table it should return all rows except the 3rd (or 1st - any of those two addresses are okay but only one can be returned) Is there a keyword I can add to the SELECT query to filter based on whether the
- Shortest way to check for null and assign another value if not
Shortest way to check for null and assign another value if not Asked 15 years, 11 months ago Modified 10 months ago Viewed 398k times
- java - How to correctly specify a default value in the Spring @Value . . .
With #{} it is an expression, with ${} it is a placeholder for a value The first expression you use will call a method attribute on a bean called props, the one with the placeholder will try to locate a property named props isFPL in the Environment
- What exactly is GUID? Why and where I should use it?
GUID technically stands for globally unique identifier What it is, actually, is a 128 bit structure that is unlikely to ever repeat or create a collision If you do the maths, the domain of values is in the undecillions Use guids when you have multiple independent systems or clients generating ID's that need to be unique For example, if I have 5 client apps creating and inserting
- How to update values in a specific row in a Python Pandas DataFrame . . .
With the nice indexing methods in Pandas I have no problems extracting data in various ways On the other hand I am still confused about how to change data in an existing DataFrame In the follow
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