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How to trace the path in a Breadth-First Search?
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This is excellent! My thought process lead me to believe in creating some type of table or matrix, I have yet to learn about graphs. Thank you.
– Christopher Markieta
Jan 19 '12 at 7:04
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Where to use EJB 3.1 and CDI?
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Thank you for this answer. You have cleared the clog in my head and connected a lot of dots.
– Thupten
Feb 14 '14 at 23:34
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When does invoking a member function on a null instance result in undefined behavior?
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@JamesMcNellis: By my understanding, if p were a hardware address which would trigger some action when read, but were not declared volatile, the statement *p; would not be required, but would be allowed, to actually read that address; the state...
Group vs role (Any real difference?)
...bute or relation with me (a user with 'patient' role), then you cannot see my entirety of medical history.
You could do all that with groups, but again, groups tend to focus on identity, not role or activity. And the type of security aspects just described tend to align themselves better with the l...
When to use next() and return next() in Node.js
...ite code after next()? Isn't it obvious that I do nothing after I finished my task in a middleware? @PJCHENder
– Imran Pollob
Jul 25 '19 at 6:17
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How to securely save username/password (local)?
...a text file. I see that it's just a bunch of random characters when I open my file, but is it safe enough to do this? Or do you recommend another way of storing the data?
– Robin
Oct 1 '12 at 11:46
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What does @@variable mean in Ruby?
What are Ruby variables preceded with double at signs ( @@ )? My understanding of a variable preceded with an at sign is that it is an instance variable, like this in PHP:
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Design Patterns web based applications [closed]
...robust framework yourself.
In the below detailed explanation I'll restrict myself to request based MVC since that's easier to implement.
Front Controller pattern (Mediator pattern)
First, the Controller part should implement the Front Controller pattern (which is a specialized kind of Mediator patt...
How can I profile C++ code running on Linux?
... which I'm in the process of optimizing. How can I pinpoint which areas of my code are running slowly?
19 Answers
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Representing graphs (data structure) in Python
... @pshirishreddy Interesting question! I hadn't thought about that, but my instinct would be to use the heapq lib to heapify lists of tuples instead of sets. For example the graph would be a dict of heaps like: _graph = {'A': heapify([(0.3, 'D'), (0.5, 'B'), (0.75, 'A'), (0.9, 'C')])} (note: you ...