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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
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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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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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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...
Should I use 'has_key()' or 'in' on Python dicts?
I wonder what is better to do:
9 Answers
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