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upstream sent too big header while reading response header from upstream
...nt to add that in ubuntu 16.04 the nginx configuration file is located at /etc/nginx/nginx.conf and the values should go inside http {...}
– Mario
Feb 26 '18 at 17:20
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Best way to check if a URL is valid
...ER_VALIDATE_URL will not validate the protocol of a url. So ssh://, ftp:// etc will pass.
– Seph
May 10 '14 at 14:03
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Are arrays passed by value or passed by reference in Java? [duplicate]
...ce. What you cannot change is the variable from whence the reference was fetched in the calling context. This is only confusing if people conflate the reference and the variable that holds the reference.
– Stephen C
Oct 29 '16 at 4:25
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Difference between . and : in Lua
...nly once. In this case, there's a clear difference between obj.method(obj, etc) and obj:method(etc).
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foreach vs someList.ForEach(){}
...eling is, on a new project, to use foreach(item in list) for most loops in order to adhere to the common usage and for readability, and use list.Foreach() only for short blocks, when you can do something more elegantly or compactly with the C# 3 "=>" operator. In cases like that, there may alread...
How many socket connections can a web server handle?
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In short:
You should be able to achieve in the order of millions of simultaneous active TCP connections and by extension HTTP request(s). This tells you the maximum performance you can expect with the right platform with the right configuration.
Today, I was worried wheth...
What is the point of noreturn?
... to the caller -- for example because you call exit(), abort(), assert(0), etc.
– RavuAlHemio
Nov 11 '14 at 19:56
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What is REST? Slightly confused [closed]
...in REST. It has so many concepts like scalability, visibility (stateless) etc. that the reader needs to grasp, and the best source for understanding those are the actual dissertation. It's much more than POST/GET etc.
shar...
When should I use genetic algorithms as opposed to neural networks? [closed]
...Genetic algorithms (usually) work on discrete data (enums, integer ranges, etc.). A typical application for GAs is searching a discrete space for a "good enough" solution when the only available alternative is a brute-force search (evaluating all combinations).
Neural networks, on the other hand, (...
Named routes _path vs _url
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As the other answers explain, you should use _url in email links, etc.
But I would like to add that you should also use _url in redirects, as explained here:
https://www.ruby-forum.com/topic/101346#221052
and, here:
http://viget.com/extend/rails-named-routes-path-vs-url
You can also t...