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Why / when would it be appropriate to override ToString?
I'm studying C# and I wonder what the point and benefit of overriding ToString might be, as shown in the example below.
1...
How can building a heap be O(n) time complexity?
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This is what made it intuitively clear to me: "only one node is at the top whereas half the nodes lie in the bottom layer. So it shouldn't be too surprising that if we have to apply an operation to every node, we would prefer siftDow...
What is the difference between RDF and OWL? [closed]
...g to grasp the concept of Semantic Web. I am finding it hard to understand what exactly is the difference between RDF and OWL. Is OWL an extension of RDF or these two are totally different technologies?
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What is a lambda expression in C++11?
What is a lambda expression in C++11? When would I use one? What class of problem do they solve that wasn't possible prior to their introduction?
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insert multiple rows via a php array into mysql
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I know this is an old query, but I was just reading and thought I'd add what I found elsewhere:
mysqli in PHP 5 is an ojbect with some good functions that will allow you to speed up the insertion time for the answer above:
$mysqli->autocommit(FALSE);
$mysqli->multi_query($sqlCombined);
$m...
How can I make a clickable link in an NSAttributedString?
...u can use any URL (e.g. custom urls)
NSURL *URL = [NSURL URLWithString: @"whatsapp://app"];
NSMutableAttributedString * str = [[NSMutableAttributedString alloc] initWithString:@"start Whatsapp"];
[str addAttribute: NSLinkAttributeName value:URL range: NSMakeRange(0, str.length)];
yourTextField.attr...
How to specify new GCC path for CMake
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force cache, to always force the cache value when configuring
Let's see what happens for the three possible calls to set:
Without cache
set(CMAKE_C_COMPILER /usr/bin/clang)
set(CMAKE_CXX_COMPILER /usr/bin/clang++)
When doing this, you create a "normal" variable CMAKE_C(XX)_COMPILER that hides...
Why does pycharm propose to change method to static
...re could be top-level, however, this does not feel logical when looking at what this method does - as top-level it would look more of a global method, while it is in fact a small helper method for instances created from that class. So to keep my code logically organised, the decorator is the perfect...
What are the differences between virtual memory and physical memory?
...ng.
Now the main question boils down to how the memory is being managed. What exactly governs where in the memory will the data belonging to a given software reside?
Possible solution 1: Let individual softwares specify explicitly the memory address they will use in the device. Suppose Photos...
Can unit testing be successfully added into an existing production project? If so, how and is it wor
...jects and I haven't the foggiest idea where to start in adding unit tests. What's making me consider this is that occasionally an old bug seems to resurface, or a bug is checked in as fixed without really being fixed. Unit testing would reduce or prevents these issues occuring.
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