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Why did my Git repo enter a detached HEAD state?
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Any checkout of a commit that is not the name of one of your branches will get you a detached HEAD. A SHA1 which represents the tip of a branch still gives a detached HEAD. Only a checkout of a local branch name avoids that mode.
See committi...
explicit casting from super class to subclass
The assignment Dog dog = (Dog) animal; does not generate a compilation error, but at runtime it generates a ClassCastException . Why can't the compiler detect this error?
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Array extension to remove object by value
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Update for Swift 2 / Xcode 7 beta 2: As Airspeed Velocity noticed
in the comments, it is now actually possible to write a method on a generic type that is more restrictive on the template, so the method
could now actually be defined as an extension of Array:
extension Array where Element : Equata...
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
...es and adds...
The full project can be found on my GitHub: https://github.com/Mysticial/Flops
Warning:
If you decide to compile and run this, pay attention to your CPU temperatures!!!Make sure you don't overheat it. And make sure CPU-throttling doesn't affect your results!
Furthermore, I take no...
C++ new int[0] — will it allocate memory?
...d after the zone given by the allocator, insertion into freelists or other complex horrible structures. Freeing it means doing the backward bookkeeping.
– v.oddou
Jun 13 '14 at 12:18
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How do I resolve “Cannot find module” error using Node.js?
...To install packages from package-lock.json instead of package.json use the command npm ci.
Update (3/2016):
I've received a lot of flak for my response, specifically that I check in the packages that my code depends on. A few days ago, somebody unpublished all of their packages (https://kodfabrik...
iOS: Modal ViewController with transparent background
...d go with adding a sub view.
Here is a very good discussion. Look at the comments specifically. Not only the answer.
Modal View
If I were you I wouldn't do it. I would add a sub view and do it. It seems to give me a better control over things.
EDIT:
As mentioned by Paul Linsay, since iOS 8 al...
What is the easiest way to duplicate an activerecord record?
...d in the process (in addition to the id ). What is the simplest way to accomplish this?
11 Answers
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Anyone else find naming classes and methods one of the most difficult parts in programming? [closed]
..., but they just don't sound right. I ended up browsing through dictionary.com for half an hour trying to come up with an adequate word.
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