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What is the --save option for npm install?

I saw some tutorial where the command was: 11 Answers 11 ...
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How do I get the first n characters of a string without checking the size or going out of bounds?

How do I get up to the first n characters of a string in Java without doing a size check first (inline is acceptable) or risking an IndexOutOfBoundsException ? ...
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Changing a specific column name in pandas DataFrame

I was looking for an elegant way to change a specified column name in a DataFrame . 9 Answers ...
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Save Screen (program) output to a file

I need to save the whole output of Screen to a file to check later all the content. 11 Answers ...
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How to re-raise an exception in nested try/except blocks?

I know that if I want to re-raise an exception, I simple use raise without arguments in the respective except block. But given a nested expression like ...
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Configuring Log4j Loggers Programmatically

I am trying to use SLF4J (with log4j binding) for the first time. 4 Answers 4 ...
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'too many values to unpack', iterating over a dict. key=>string, value=>list

I am getting the 'too many values to unpack' error. Any idea how I can fix this? 8 Answers ...
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Django “login() takes exactly 1 argument (2 given)” error

I'm trying to store the user's ID in the session using django.contrib.auth.login . But it is not working not as expected. 3...
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How do I make many-to-many field optional in Django?

When you have a many-to-many relationship ( related_name , not through ) and you are trying to use the admin interface you are required to enter one of the relationships even though it does not have to exist for you to create the first entry. ...
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How to make PyCharm always show line numbers

I cannot seem to be able to find the setting to enable line numbers for all files, but I have to always right click and enable this on per file basis. ...