Most of the debris is in low orbits. So no direct problem.
But if you build it in low earth orbit and fly it out on its own power in a slow spiral, then it's going to be a big problem. Flying with chemical rockets only up to LEO and electric propulsion from there on saves mass hugely.
Best to assemble moderate pieces and fly them higher after completion.
It wouldn't cast an umbral shadow at all. It would cast a incredibly faint penumbral shadow.
Look at it this way, at the sizes that are commonly talked about for these, at the orbital heights being talked about, the occlusion of the sun would be on the order of a very minor sun spot, and only for very brief periods of time.
When a programming language doesn't solve mass/common problems, its popularity will definitely decrease after initial peak.
Rails solve common problems for the most popular platform: web.
Go is created to replace C, a system programming language which could be considered as a niche. You see popular Go projects specifically addressing system level stuff (infrastructure: packer.io, docker, etc).
> Go is created to replace C, a system programming language which could be considered as a niche. You see popular Go projects specifically addressing system level stuff (infrastructure: packer.io, docker, etc).
I'd go a bit further. Go was written to replace C++ when used for servers at google and it excels in that spot. It is not meant to replace C for kernels.
Not sure why C is on top of the list but having said that, I see more Rails/Java/C#/Python/PHP (or in general, web-app dev) jobs out there than a Linux kernel hackers :).
Go was created to do the systems programming tasks people used C++ for. But what has resulted is that very few C++ users have switched to Go. It's mostly been Ruby/Python programmers and they are using Go for network programming, not systems programming. It's just another bit of proof that language designers, no matter how brilliant they are, such as Ken Thompson and Rob Pike, almost never know who is going to adopt their language and what it will be used for.
Systems programming is further down the layers of abstraction than Web Development is. As you go deeper and deeper down these layers there are fewer and fewer people solving the problems that the layers above depend on.
While it's good to be enthusiastic it's pretty important to note that for the majority of startups these sites are a dangerous distraction that shouldn't be optimized for or influence your company / marketing / growth / sales funnel / etc.
They'd need a gundam squadron to protect it too.