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add created_at and updated_at fields to mongoose schemas

Is there a way to add created_at and updated_at fields to a mongoose schema, without having to pass them in everytime new MyModel() is called? ...
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How to check file MIME type with javascript before upload?

I have read this and this questions which seems to suggest that the file MIME type could be checked using javascript on client side. Now, I understand that the real validation still has to be done on server side. I want to perform a client side checking to avoid unnecessary wastage of server res...
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Remove everything after a certain character

...hoose everything up to that character? I'm getting the value from an href and up to the "?", and it's always going to be a different amount of characters. ...
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Delete forked repo from GitHub

I'm starting with git and GitHub and there's a project I'm watching on GitHub. I unintentionally clicked to fork it. Now it appears as a new project to me. ...
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Visual Studio (2008) 'Clean Solution' Option

... It deletes all the compiled and temporary files associated with a solution. It ensures that the next build is a full one, rather than only changed files being recompiled. share...
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How to delete a row by reference in data.table?

...estion. data.table can't delete rows by reference yet. data.table can add and delete columns by reference since it over-allocates the vector of column pointers, as you know. The plan is to do something similar for rows and allow fast insert and delete. A row delete would use memmove in C to budge u...
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Tablix: Repeat header rows on each page not working - Report Builder 3.0

...porting Services does not recognize which textboxes are the column headers and setting RepeatColumnHeaders property to True doesn't work. Instead, you need to: Open Advanced Mode in the Groupings pane. (Click the arrow to the right of the Column Groups and select Advanced Mode.) In the Row Gr...
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How to check whether a pandas DataFrame is empty?

How to check whether a pandas DataFrame is empty? In my case I want to print some message in terminal if the DataFrame is empty. ...
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Error in exception handler. - Laravel

...he or www-data, but this can vary between the different operating systems) and keep the permissions as of the directory as 775. chgrp -R www-data app/storage Or with chown. chown -R :www-data app/storage Then make sure directory permissions are 775. chmod -R 775 app/storage From the Laravel...
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What is the difference between String.Empty and “” (empty string)?

In .NET, what is the difference between String.Empty and "" , and are they interchangable, or is there some underlying reference or Localization issues around equality that String.Empty will ensure are not a problem? ...