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Using pickle.dump - TypeError: must be str, not bytes
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The output file needs to be opened in binary mode:
f = open('varstor.txt','w')
needs to be:
f = open('varstor.txt','wb')
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Why can't I overload constructors in PHP?
I have abandoned all hope of ever being able to overload my constructors in PHP, so what I'd really like to know is why .
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check if variable is dataframe
when my function f is called with a variable I want to check if var is a pandas dataframe:
2 Answers
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JSON formatter in C#?
Looking for a function that will take a string of Json as input and format it with line breaks and indentations. Validation would be a bonus, but isn't necessary, and I don't need to parse it into an object or anything.
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Export and Import all MySQL databases at one time
I want to keep a backup of all my MySQL databases. I have more than 100 MySQL databases. I want to export all of them at the same time and again import all of them into my MySQL server at one time. How can I do that?
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Focus Next Element In Tab Index
I am trying to move the focus to the next element in the tab sequence based upon the current element which has focus. Thus far I have not turned up anything in my searches.
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Convert a string representation of a hex dump to a byte array using Java?
I am looking for a way to convert a long string (from a dump), that represents hex values into a byte array.
24 Answers
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How to add leading zeros?
I have a set of data which looks something like this:
8 Answers
8
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How to go to each directory and execute a command?
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You can do the following, when your current directory is parent_directory:
for d in [0-9][0-9][0-9]
do
( cd "$d" && your-command-here )
done
The ( and ) create a subshell, so the current directory isn't changed in the main sc...
Items in JSON object are out of order using “json.dumps”?
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Both Python dict (before Python 3.7) and JSON object are unordered collections. You could pass sort_keys parameter, to sort the keys:
>>> import json
>>> json.dumps({'a': 1, 'b': 2})
'{"b": 2, "a": 1}'
>>> json.dumps(...