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When should I really use noexcept?
...d to be a runtime evaluation can be turned into a compile-time evaluation, etc.
Anyway, the short answer: noexcept lets the compiler generate a tighter flow graph, and the flow graph is used to reason about all sorts of common compiler optimizations. To a compiler, user annotations of this nature a...
throwing exceptions out of a destructor
... The OS acan clean up resources it is the owner off. Memory, FileHandles etc. What about complex resources: DB connections. That uplink to the ISS you opened (is it automatically going to send the close connections)? I am sure NASA would want you to close the connection cleanly!
...
OAuth secrets in mobile apps
...get any sensitive information from the service (facebook, google, twitter, etc), the application ask your server and your server will give it to the application only if it is correctly connected.
There is not really any option except storing it on a server. Nothing on the client side is secure.
No...
Is there a constraint that restricts my generic method to numeric types?
... T Add(T a, T b);
// add more functions here, such as multiplication etc.
}
struct NumericPolicies:
INumericPolicy<int>,
INumericPolicy<long>
// add more INumericPolicy<> for different numeric types.
{
int INumericPolicy<int>.Zero() { return 0; }
lo...
Multiple inheritance/prototypes in JavaScript
...4
<Object.prototype stuff>
so that obj.a === 1, obj.b === 3, etc.
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What is the difference between .*? and .* regular expressions?
...vision, along with other examples. Feel free to give feedback, suggestion, etc in comments so I can incorporate those as well.
– polygenelubricants
Jun 19 '10 at 13:37
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How do I associate file types with an iPhone application?
...name and is incremented to be unique -- test.text, test-1.txt, test-2.txt, etc.
– memmons
Oct 10 '11 at 19:00
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node.js child process - difference between spawn & fork
...hout effecting other things. Scheduling, shared cache usage, BUS traffic, etc. However, it should take advantage of a separate core, and leave your main run loop MOSTLY unaffected. As in, not the severe negative effects you'd expect of having two processes run on the same single core processor. A...
Why are private fields private to the type, not the instance?
...rce, can see the private members, how they are used, conventions employed, etc., then why not be able to use that knowledge?
– FishBasketGordo
Aug 8 '11 at 14:44
7
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How many threads is too many?
...you reach some bottleneck be it CPU, database throughput, disk throughput, etc, adding more threads won't increase the overall performance. But until you hit that point, add more threads!
Note that this assumes the system(s) in question are dedicated to your app, and you don't have to play nicely ...