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Why should I declare a virtual destructor for an abstract class in C++?
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As John above pointed out, what you're suggesting is pretty dangerous. You're relying on the assumption that clients of your interface will never destroy an object knowing only the base type. The only way you could guarantee that if it's nonvirt...
Solr vs. ElasticSearch [closed]
... an exciting and innovative feature that singlehandedly
blows Solr right out of the water. Elasticsearch is scalable, speedy
and a dream to integrate with. Adios Solr, it was nice knowing you. [emphasis mine]
The Wikipedia article on ElasticSearch quotes a comparison from the reputed German iX ...
What is sys.maxint in Python 3?
I've been trying to find out how to represent a maximum integer, and I've read to use "sys.maxint" . However, in Python 3 when I call it I get:
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Easy way to pull latest of all git submodules
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If it's the first time you check-out a repo you need to use --init first:
git submodule update --init --recursive
For git 1.8.2 or above, the option --remote was added to support updating to latest tips of remote branches:
git submodule update --recursiv...
Unable to update the EntitySet - because it has a DefiningQuery and no element exis
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@BasharAbuShamaa this answer is not valid without that detail.
– Kehlan Krumme
May 3 '18 at 21:56
add a comment
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Why is it impossible to build a compiler that can determine if a C++ function will change the value
...both terminated and still running, unfortunately, you can't tell which without directly observing, by which you affect the actual state.
– Nathan Ernst
Jul 1 '13 at 19:11
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When to use IList and when to use List
...all you should be asking for.
On the other hand, when returning an object out of a function, you want to give the user the richest possible set of operations without them having to cast around. So in that case, if it's a List<T> internally, return a copy as a List<T>.
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Get key by value in dictionary
... fact that you can still index through the values of the structure to find out the corresponding keys.
– Tropicalrambler
Jun 8 at 2:49
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Multiple arguments vs. options object
... parameters are optional
You've ever had to look up the function to figure out what parameters it takes
If someone ever tries to strangle you while screaming "ARRRRRG!"
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improve this answer
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Algorithm for Determining Tic Tac Toe Game Over
...s 3 in a row, etc)
edit: added code to check anti diag, I couldn't figure out a non loop way to determine if the point was on the anti diag so thats why that step is missing
public class TripleT {
enum State{Blank, X, O};
int n = 3;
State[][] board = new State[n][n];
int moveCoun...