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Pointer vs. Reference
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My rule of thumb is:
Use pointers if you want to do pointer arithmetic with them (e.g. incrementing the pointer address to step through an array) or if you ever have to pass a NULL-pointer.
Use references otherwise.
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Check whether an array is a subset of another
Any idea on how to check whether that list is a subset of another?
8 Answers
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Is a url query parameter valid if it has no value?
Is a url like http://example.com/foo?bar valid?
8 Answers
8
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How do I use WPF bindings with RelativeSource?
...roperty, RelativeSource={RelativeSource TemplatedParent}}
or, shorter (this only works for OneWay bindings):
{TemplateBinding Path=PathToProperty}
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Pointer arithmetic for void pointer in C
When a pointer to a particular type (say int , char , float , ..) is incremented, its value is increased by the size of that data type. If a void pointer which points to data of size x is incremented, how does it get to point x bytes ahead? How does the compiler know to add x to value of ...
What is the preferred Bash shebang?
Is there any Bash shebang objectively better than the others for most uses?
5 Answers
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What is the best way to test for an empty string in Go?
Which method is best (more idomatic) for testing non-empty strings (in Go)?
10 Answers
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How do you specify that a class property is an integer?
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I think there is not a direct way to specify whether a number is integer or floating point. In the TypeScript specification section 3.2.1 we can see:
"...The Number primitive type corresponds to the similarly named JavaScript primitive...
What does the servlet value signify
...nfused here. In our application we are having a few servlets defined. Here is the excerpt from the web.xml for one of the servlets:
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async/await - when to return a Task vs void?
...you need to have a void return type (for events). If there's no reason to disallow having the caller await your task, why disallow it?
2) async methods that return void are special in another aspect: they represent top-level async operations, and have additional rules that come into play when your ...