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How to see which flags -march=native will activate?
I'm compiling my C++ app using GCC 4.3. Instead of manually selecting the optimization flags I'm using -march=native , which in theory should add all optimization flags applicable to the hardware I'm compiling on. But how can I check which flags is it actually using?
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Grasping the Node JS alternative to multithreading
...in javascript.
Click here to see the video
(Instead of WebAPIs there are C++ APIs in Node.js)
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How is “int* ptr = int()” value initialization not illegal?
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does this go away with C++0x?
– Neil G
Nov 9 '11 at 22:45
@NeilG: ...
Why do you not use C for your web apps?
..., web server (usually C), language interpreter (C), database (usually C or C++). Web application usually only passes data from one part to another, applying some basic operation on it, and it's performance is not crucial at all.
– el.pescado
Jun 20 '10 at 16:40...
Global and local variables in R
...this case bar is accessible from outside the function.
However, unlike C, C++ or many other languages, brackets do not determine the scope of variables. For instance, in the following code snippet:
if (x > 10) {
y <- 0
}
else {
y <- 1
}
y remains accessible after the if-else sta...
Using {} in a case statement. Why?
...atements like the labels used with a goto statement(this is covered in the C++ draft standard section 6.1 Labeled statement) and we can see from section 6.7 paragraph 3 that jumping pass a declaration is not allowed in many cases, including those with an initialization:
It is possible to transfe...
Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
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Scala vs. Groovy vs. Clojure [closed]
... term will become just another marketing term. Might as well start calling C++ functional and Haskell imperative.
– jon-hanson
Aug 22 '09 at 15:19
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Returning an array using C
...ck is returning a struct as an array container/object. Think of it like a C++ std::vector. The preprocessor would expand the int version of this to struct intArray { int* contents; int size; };.
– pyrospade
Jan 9 '14 at 4:05
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What is declarative programming? [closed]
...tion on how it is different from imperative programming (languages like C, C++, C#) then it will be more easier for readers to make out the difference.
– RBT
Dec 7 '16 at 23:44
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