Why is what doing what? :D You might want to include a few more details.
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RE: Help with HaxeFlixel Setup
It then told me that neko.dll was missing, so I copied the contents of the neko file (in C:\HaxeToolkit\neko) to the haxe folder, which worked.
That's not really a proper solution.. You need to make sure that both the
nekocommands are in your system
PATH(to be precise,
C:\HaxeToolkit\haxe). The Haxe installer normally does that, but maybe something went wrong in your case.
RE: Getting Error loading templates, please run 'flixel download'. ?
Answered this on StackOverflow: https://stackoverflow.com/a/47579227/2631715
In the future, it might be a good idea to mention that you've posted the question in multiple places. ;)
RE: Update on HXCPP and Visual Studio 2017 Compatability?
Try using hxcpp from GitHub. It should support VS2017: http://community.openfl.org/t/added-hxcpp-support-for-visual-studio-community-2017/9413
RE: Collision not working Completely?!?
This is a common problem (see for instance https://stackoverflow.com/questions/43792751/flxg-collide-not-working-when-x648) - in short you need to adjust
RE: question regarding FlappyBalt
Personally I don't mind. Note that the HaxeFlixel version of Flappybalt is just a port itself (mentioned in the Readme here), in case you want to check with the original author (I think the person who ported it from AS3 to Haxe got Adam's permission).
RE: Copy/Pasting strings to/from clipboard on HTML5 target
Perhaps you could share some code of what you've tried so far? :)