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How to see which flags -march=native will activate?
...cable to the hardware I'm compiling on. But how can I check which flags is it actually using?
5 Answers
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switch case statement error: case expressions must be constant expression
My switch-case statement works perfectly fine yesterday. But when I run the code earlier this morning eclipse gave me an error underlining the case statements in color red and says: case expressions must be constant expression, it is constant I don't know what happened. Here's my code below:
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Most efficient way to create a zero filled JavaScript array?
What is the most efficient way to create an arbitrary length zero filled array in JavaScript?
41 Answers
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Undefined symbols for architecture armv7
This problem has been driving me crazy, and I can't work out how to fix it...
40 Answers
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Difference between $.ajax() and $.get() and $.load()
...licated and often unecessary, but sometimes very useful. You have to deal with the returned data yourself with a callback.
$.get() is just a shorthand for $.ajax() but abstracts some of the configurations away, setting reasonable default values for what it hides from you. Returns the data to a call...
How to copy an object in Objective-C
I need to deep copy a custom object that has objects of its own. I've been reading around and am a bit confused as to how to inherit NSCopying and how to use NSCopyObject.
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Efficient evaluation of a function at every cell of a NumPy array
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You could just vectorize the function and then apply it directly to a Numpy array each time you need it:
import numpy as np
def f(x):
return x * x + 3 * x - 2 if x > 0 else x * 5 + 8
f = np.vectorize(f) # or use a different name if you want to keep the original f
re...
In pure functional languages, is there an algorithm to get the inverse function?
In pure functional languages like Haskell, is there an algorithm to get the inverse of a function, (edit) when it is bijective? And is there a specific way to program your function so it is?
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Prevent “overscrolling” of web page
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The accepted solution was not working for me. The only way I got it working while still being able to scroll is:
html {
overflow: hidden;
height: 100%;
}
body {
height: 100%;
overflow: auto;
}
sh...
Using Pairs or 2-tuples in Java [duplicate]
My Hashtable in Java would benefit from a value having a tuple structure. What data structure can I use in Java to do that?
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