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Getting list of lists into pandas DataFrame
I am reading contents of a spreadsheet into pandas. DataNitro has a method that returns a rectangular selection of cells as a list of lists. So
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Replacing instances of a character in a string
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Strings in python are immutable, so you cannot treat them as a list and assign to indices.
Use .replace() instead:
line = line.replace(';', ':')
If you need to replace only certain semicolons, you'll need to be more specific. You could use slicing to isolate the section of the string to r...
Get table column names in MySQL?
...AME
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = 'my_database' AND TABLE_NAME = 'my_table';
Or you can use SHOW COLUMNS:
SHOW COLUMNS FROM my_table;
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How do I access command line arguments in Python?
...ython to create my project settings setup, but I need help getting the command line arguments.
8 Answers
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UITextField text change event
...e textFieldDidChange method you can examine the contents of the textField, and reload your table view as needed.
You could use that and put calculateAndUpdateTextFields as your selector.
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How to get current time and date in C++?
Is there a cross-platform way to get the current date and time in C++?
24 Answers
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Show space, tab, CRLF characters in editor of Visual Studio
...ed > View White Space. The keyboard shortcut is CTRL+R, CTRL+W. The command is called Edit.ViewWhiteSpace.
It works in all Visual Studio versions at least since Visual Studio 2010, the current one being Visual Studio 2019 (at time of writing). In Visual Studio 2013, you can also use CTRL+E, S or...
iOS Detection of Screenshot?
...eenshotNotification can be used .. iOS 7+
– Amit Tandel
Mar 20 '17 at 12:20
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Twitter oAuth callbackUrl - localhost development
...e tip to alternatively use a URL shortener service. Shorten your local URL and provide the result as callback.
Alternative 3.
Furthermore, it seems that it works to provide for example http://127.0.0.1:8080 as callback to Twitter, instead of http://localhost:8080.
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Efficient list of unique strings C#
...g a dictionary may be best inserting strings by writing dict[str] = false; and enumerating through the keys as a list. Is that a good solution?
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