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Can an abstract class have a constructor?
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I think it would be good to clarify the last sentence, to state that this is only in this example, that generally abstract classes have default constructors if none have been explicitly declared
– Vic Seedoubleyew
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How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
...like this (replace ls with cp and add the target directory, of course)
~/foobar> shopt extglob
extglob off
~/foobar> ls
abar afoo bbar bfoo
~/foobar> ls !(b*)
-bash: !: event not found
~/foobar> shopt -s extglob # Enables extglob
~/foobar> ls !(b*)
abar afoo
~/foobar> ...
prototype based vs. class based inheritance
...") and the same operations, thereby forming an equivalence class. If you look back at Smalltalk, since you can open a class and add methods, this is effectively the same as what you can do in Javascript.
Later OO languages wanted to be able to use static type checking, so we got the notion of a fi...
How to get an object's properties in JavaScript / jQuery?
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You can look up an object's keys and values by either invoking JavaScript's native for in loop:
var obj = {
foo: 'bar',
base: 'ball'
};
for(var key in obj) {
alert('key: ' + key + '\n' + 'value: ' + obj[key]);
}
o...
What is the difference between new/delete and malloc/free?
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@LokiAstari It does look like 'heap', 'free store', and 'dynamic memory/storage' are synonyms: In Bjarne Stroustrup's A Tour of C++, he says "The new operator allocates memory from the free store (also known as dynamic memory and heap). The C++ 1...
Can I extend a class using more than 1 class in PHP?
...little hacks like this. :) As others have pointed out, it's not the proper OOP way of doing it though.
– Franck
Dec 10 '08 at 18:58
65
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LPCSTR, LPCTSTR and LPTSTR
... edited Jun 27 '18 at 12:59
Yoon5oo
45655 silver badges1111 bronze badges
answered Nov 26 '08 at 17:09
TimT...
Good reasons NOT to use a relational database?
Can you please point to alternative data storage tools and give good reasons to use them instead of good-old relational databases? In my opinion, most applications rarely use the full power of SQL--it would be interesting to see how to build an SQL-free application.
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What are the key differences between Scala and Groovy? [closed]
On the surface Groovy and Scala look pretty similar, aside from Scala being statically typed, and Groovy dynamic.
6 Answers...
What is the difference between a field and a property?
...alculation or return a constant or whatever.
– Kent Boogaart
Nov 17 '08 at 10:18
9
"while not aff...