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Why should casting be avoided? [closed]
...st does nothing more than tell the compiler (in essence): "shut up, I know what I'm doing" -- i.e., it ensures that even when you do a conversion that could cause problems, the compiler won't warn you about those potential problems. Just for example, char a=(char)123456;. The exact result of this im...
AngularJS : How to watch service variables?
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What are pros of this solution? It needs more code in a service, and somewhat the same amount of code in a controller (since we also need to unregister on $destroy). I could say for execution speed, but in most cases it just ...
Why do you have to link the math library in C?
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I suppose at the end of the day what we are looking at is nothing more than GCC conservatism: "it's always worked like that". I only wish they applied the same reasoning to their compiler extensions.
– anon
Jun 23 '09 ...
C++ Double Address Operator? (&&)
I'm reading STL source code and I have no idea what && address operator is supposed to do. Here is a code example from stl_vector.h :
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window.onload vs
What exactly is the difference between the window.onload event and the onload event of the body tag? when do I use which and how should it be done correctly?
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What JSON library to use in Scala? [closed]
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@AlexDean: What's so bad about parsing.json.JSON?
– Matthias Braun
Jun 2 '13 at 22:23
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JavaScript curry: what are the practical applications?
I don’t think I’ve grokked currying yet. I understand what it does, and how to do it. I just can’t think of a situation I would use it.
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One-liner to check whether an iterator yields at least one element?
...nel) is sentinel:
print('iterator was empty')
If you have no idea of what the iterator might possibly yield, make your own sentinel (e.g. at the top of your module) with
sentinel = object()
Otherwise, you could use, in the sentinel role, any value which you "know" (based on application cons...
Looking for a good world map generation algorithm [closed]
...One cheap trick you can always use is to define in a mathematical function what defines a "good" map, and then to create ten random minor changes and then use the best of them. Keep doing that and it'll drift toward the kind of map you want.
– dascandy
Oct 28 '...
Secure Web Services: REST over HTTPS vs SOAP + WS-Security. Which is better? [closed]
...des some assurance to the client about the identity of the server. This is what's important to your bank or online stock broker. Their interest in authenticating the client is not in the identity of the computer, but in your identity. So card numbers, user names, passwords etc. are used to authentic...
