default-value Archives

MySQL, Programming

IT Nursery

Why can’t a text column have a default value in MySQL?

If you try to create a TEXT column on a table, and give it a default value in MySQL, you get an error ...

May 30, 2022
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go, Programming

IT Nursery

How to set default values in Go structs

There are multiple answers/techniques to the below question: How to set default values to golang structs? How to initialize structs in golang I ...

May 28, 2022
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Why is the default value of the string type null instead of an empty string?

It’s quite annoying to test all my strings for null before I can safely apply methods like ToUpper(), StartWith() etc… If the default ...

May 25, 2022
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Entity Framework 6 Code first Default value

is there “elegant” way to give specific property a default value ? Maybe by DataAnnotations, something like :...

May 23, 2022
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Python argparse: default value or specified value

I would like to have a optional argument that will default to a value if only the flag is present with no value ...

May 22, 2022
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How to populate/instantiate a C# array with a single value?

I know that instantiated arrays of value types in C# are automatically populated with the default value of the type (e.g. false for ...

May 21, 2022
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Change default text in input type=”file”?

I want to change default text on button that is “Choose File” when we use input="file". How can I do this? Also as ...

May 20, 2022
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Default value of ‘boolean’ and ‘Boolean’ in Java

What are the default values of boolean (primitive) and Boolean (primitive wrapper) in Java? 8 Answers 8

May 17, 2022
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Initialization of all elements of an array to one default value in C++?

C++ Notes: Array Initialization has a nice list over initialization of arrays. I have a int array...

May 17, 2022
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Named tuple and default values for optional keyword arguments

I’m trying to convert a longish hollow “data” class into a named tuple. My class currently looks like this: class Node(object): def __init__(self, ...

May 10, 2022
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