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How to change the DataTable Column Name?

I have one DataTable which has four columns such as 7 Answers 7 ...
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How to output loop.counter in python jinja template?

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UUID max character length

...le DB, and trying to determine an appropriate max character length for the VARCHAR. Apparently this is 36 characters but we have noticed UUID'S generated which are longer than this - up to 60 characters in length. Does anyone know a suitable max char length for UUID?? ...
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ValueError: math domain error

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MySQL select with CONCAT condition

I'm trying to compile this in my mind.. i have a table with firstname and lastname fields and i have a string like "Bob Jones" or "Bob Michael Jones" and several others. ...
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The type must be a reference type in order to use it as parameter 'T' in the generic type or method

I'm getting deeper into generics and now have a situation I need help with. I get a compile error on the 'Derived' class below as shown in the subject title. I see many other posts similar to this one but I'm not seeing the relationship. Can someone tell me how to resolve this? ...
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What does @: (at symbol colon) mean in a Makefile?

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How can I see the specific value of the sql_mode?

There are some sql_mode values in MySQL: 2 Answers 2 ...
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arrow operator (->) in function heading

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What does (angle brackets) mean in Java?

I am currently studying Java and have recently been stumped by angle brackets(). What exactly do they mean? 6 Answers ...