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C# Interfaces. Implicit implementation versus Explicit implementation
...Explicit is when you define methods within your class on the interface. I know that sounds confusing but here is what I mean: IList.CopyTo would be implicitly implemented as:
public void CopyTo(Array array, int index)
{
throw new NotImplementedException();
}
and explicitly as:
void ICollecti...
When should I use C++14 automatic return type deduction?
... irrelevant to understanding this part of the code: the compiler needs to know and we could probably work it out but we don't need to say it here"?
Since "readability" is not objectively defined[*], and furthermore it varies by reader, you have a responsibility as the author/editor of a piece of co...
What is the difference between “INNER JOIN” and “OUTER JOIN”?
... and the query returns the single red row not matched in table B. This is known as an anti semi join.
It is important to select a column for the IS NULL test that is either not nullable or for which the join condition ensures that any NULL values will be excluded in order for this pattern to work co...
What is the purpose of mock objects?
...ng production code (e.g. without changing the waiter code).
Mock Objects
Now, the test cook (test double) could be implemented different ways:
a fake cook - a someone pretending to be a cook by using frozen dinners and a microwave,
a stub cook - a hot dog vendor that always gives you hot dogs no...
How do I trim leading/trailing whitespace in a standard way?
...st answer isn't good at all unless you don't care about memory leaks. You now have two overlapping strings (the original, which has it's trailing spaces trimmed, and the new one). Only the original string can be freed, but if you do, the second one points to freed memory.
– D...
What is the difference between canonical name, simple name and class name in Java Class?
...n that would allow a malicious actor to work. Someone saying "oh, well we know classes will never start with lowercases/packages will never start with capitals". Granted, a malicious actor who has access to your class loader can already do terrible things, so it's probably not an absolutely terrible...
How can I change an element's class with JavaScript?
... Wow, three years and 183 upvotes and nobody spotted that until now. Thanks jinglesthula, I've corrected the regex so it wont incorrectly remove parts of class names. // I guess this is a good example of why a Framework (like jQuery) is worth using - bugs like this are caught and fixed so...
Objective-C: Property / instance variable in category
...nnot create a synthesized property in a Category in Objective-C, I do not know how to optimize the following code:
6 Answer...
How does the Amazon Recommendation feature work?
...ile of you
Demographic information (your shipping address, etc.) - they know what is popular in your general area for your kids, yourself, your spouse, etc.
user segmentation = did you buy 3 books in separate months for a toddler? likely have a kid or more.. etc.
Direct marketing click throug...
What is the difference between #import and #include in Objective-C?
...was already included, as
far as #import is concerned, that file is now already completely included.
Bottom line:
C/C++ headers traditionally includes parts of other include files.
So for C/C++ headers, use #include.
For objc/objc++ headers, use #import.
...