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not None test in Python [duplicate]

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Why is a “GRANT USAGE” created the first time I grant a user privileges?

I'm new to the admin side of DBMS and was setting up a new database tonight (using MySQL) when I noticed this. After granting a user a privilege for the first time, another grant is created that looks like ...
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handlerbars.js check if list is empty

Is there a way in Handlebars.js templating to check if the collection or list is null or empty, before going and iterating through the list/collection? ...
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How to get and set the current web page scroll position?

How can I get and set the current web page scroll position? 4 Answers 4 ...
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JavaScript: how to change form action attribute value based on selection?

I'm trying to change the form action based on the selected value from a dropdown menu. 5 Answers ...
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UIButton title text color

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Real-world applications of zygohistomorphic prepromorphisms

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What is the function of the DBMDL File in VS database project

What is the function of the DBMDL file in a visual studio database project? 1 Answer 1...
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Loop through properties in JavaScript object with Lodash

Is it possible to loop through the properties in a JavaScript object? For instance, I have a JavaScript object defined as this: ...
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A TwoWay or OneWayToSource binding cannot work on the read-only property

I've a read only property I need to display in a textbox, and getting this error at runtime. I've set IsEnabled="False" , IsReadOnly="True" - no luck. Other searches say the readonly should fix it, but not for me. I've got an ugly workaround by adding a dummy setter... ...