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When should I use Kruskal as opposed to Prim (and vice versa)?
I was wondering when one should use Prim's algorithm and when Kruskal's to find the minimum spanning tree? They both have easy logics, same worst cases, and only difference is implementation which might involve a bit different data structures. So what is the deciding factor?
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How do I include negative decimal numbers in this regular expression?
... I match negative numbers as well by this regular expression? This regex works fine with positive values, but I want it to also allow negative values e.g. -10, -125.5 etc.
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...actually call the library function pow , which greatly slows down the performance. (In contrast, Intel C++ Compiler , executable icc , will eliminate the library call for pow(a,6) .)
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Are empty HTML5 data attributes valid?
...y plugin that displays inline modals under specified elements. My idea is for the script to auto-init based on data attributes specified on elements.
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What's a redirect URI? how does it apply to iOS app for OAuth2.0?
Beginner programmer here, please pardon ignorance & explanations will be really nice :)
4 Answers
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How to validate an email address in JavaScript
...(email)) {
$result.text(email + " is valid :)");
$result.css("color", "green");
} else {
$result.text(email + " is not valid :(");
$result.css("color", "red");
}
return false;
}
$("#validate").on("click", validate);
<script src="https://ajax.googleapis.com/ajax/l...
Using lambda expressions for event handlers
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There are no performance implications since the compiler will translate your lambda expression into an equivalent delegate. Lambda expressions are nothing more than a language feature that the compiler translates into the exact same code tha...
How to set HttpResponse timeout for Android in Java
I have created the following function for checking the connection status:
10 Answers
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Why should I use Deque over Stack?
I need a Stack data structure for my use case. I should be able to push items into the data structure and I only want to retrieve the last item from the Stack. The JavaDoc for Stack says :
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Redis - Connect to Remote Server
...host but use the IP you expect it to be listening on instead of a hostname or localhost. You should see it PONG in response in both cases.
If not, your firewall(s) is/are blocking you. This would be either the local IPTables or possibly a firewall in between the nodes. You could add a logging stat...