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Why is Swift compile time so slow?
...s right. It was one single file (actually one method) that was causing the compiler to go berzek.
Now don't get me wrong. Swift does recompile all your files each time, but the great thing now, is that Apple added real-time compilation feedback over the files it compiles, so Xcode 6 GM now shows wh...
Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
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Edit: This is a more complete version that shows more differences between [ (aka test) and [[.
The following table shows that whether a variable is quoted or not, whether you use single or double brackets and whether the variable contains only a...
What is the purpose of the “final” keyword in C++11 for functions?
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What you are missing, as idljarn already mentioned in a comment is that if you are overriding a function from a base class, then you cannot possibly mark it as non-virtual:
struct base {
virtual void f();
};
struct derived : base {
void f() final; // virtual as it ove...
Determine if two rectangles overlap each other?
...from bottom to top -- if this is not how your coordinate system [e.g. most computers have the Y direction reversed], swap the comparisons below) ...
if (RectA.X1 < RectB.X2 && RectA.X2 > RectB.X1 &&
RectA.Y1 > RectB.Y2 && RectA.Y2 < RectB.Y1)
Say you hav...
JavaScript: Check if mouse button down?
... }
}
}
Now be warned that the code above would work only for standard-compliant browsers that pass you a button number starting from 0 and up. IE uses a bit mask of currently pressed buttons:
0 for "nothing is pressed"
1 for left
2 for right
4 for middle
and any combination of above, e.g., 5 ...
Should developers have administrator permissions on their PC
...s to production systems, admin rights on a local PC does not significantly compromise security of production systems. There is almost no legitimate operational reason for restricting admin access to local PCs for staff that need it to do their job.
However, the most important reason to provide a...
How to Use slideDown (or show) function on a table row?
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How to get Latitude and Longitude of the mobile device in android?
...ion, because it includes permission for both providers." developer.android.com/guide/topics/location/strategies.html
– Hugo Allexis Cardona
Oct 14 '17 at 23:04
1
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Adding a directory to $LOAD_PATH (Ruby)
I have seen two commonly used techniques for adding the directory of the file currently being executed to the $LOAD_PATH (or $:). I see the advantages of doing this in case you're not working with a gem. One seems more verbose than the other, obviously, but is there a reason to go with one over the ...