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How can I print literal curly-brace characters in python string and also use .format on it?
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You need to double the {{ and }}:
>>> x = " {{ Hello }} {0} "
>>> print(x.format(42))
' { Hello } 42 '
Here's the relevant part of the Python documentation for format string syntax:
Format strings contain “replacement fields...
How can I convert a zero-terminated byte array to string?
... byte slices return the number of bytes read. You should save that number and then use it to create your string. If n is the number of bytes read, your code would look like this:
s := string(byteArray[:n])
To convert the full string, this can be used:
s := string(byteArray[:len(byteArray)])
This ...
Force drop mysql bypassing foreign key constraint
I'm trying to delete all tables from a database except one, and I end up having the following error:
6 Answers
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How can I interrupt a ServerSocket accept() method?
...alls accept() on my ServerSocket object, then starts a new client thread and adds it to a Collection when a new client is accepted.
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git diff file against its last change
...ble to get git to produce a diff between a specific file as it exists now, and as it existed before the last commit that changed it?
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select and update database record with a single queryset
How do I run an update and select statements on the same queryset rather than having to do two queries:
- one to select the object
- and one to update the object
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Writing a pandas DataFrame to CSV file
I have a dataframe in pandas which I would like to write to a CSV file. I am doing this using:
7 Answers
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What does this symbol mean in IntelliJ? (red circle on bottom-left corner of file name, with 'J' in
... source dir
File> Project Structure > Modules
click the directory and click the Sources button
It's weird because usually it's done automatically. Maybe it's better if you recreate the project again.
share
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instanceof Vs getClass( )
I see gain in performance when using getClass() and == operator over instanceOf operator.
4 Answers
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Difference between Label and TextBlock
... control. It derives directly from FrameworkElement. Label, on the other hand, derives from ContentControl. This means that Label can:
Be given a custom control template (via the Template property).
Display data other than just a string (via the Content property).
Apply a DataTemplate to its cont...