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C++ SFINAE examples?

... can someone explain what C::* is? I read all the comments and links, but I am still wondering, int C::* means that it is a member pointer of int type. what if a class has no member of int type? What am I missing? and how does test<T>(0) play into this? I must ...
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Which is the fastest algorithm to find prime numbers?

... Actually I don't think primegen is the fastest, or even the second-fastest; yafu and primesieve are both faster in general, I think, and certainly over 2^32. Both are (modified) sieves of Eratosthenes rather than the Atkin-Berns...
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Technically, why are processes in Erlang more efficient than OS threads?

...d FPU registers, address space mapping, etc.). Erlang processes use dynamically allocated stacks, which start very small and grow as necessary. This permits the spawning of many thousands — even millions — of Erlang processes without sucking up all available RAM. Erlang used to be single-threade...
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What's the best manner of implementing a social activity stream? [closed]

...a social activity stream (Facebook is the most famous example). Problems/challenges involved are: 13 Answers ...
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Getting an empty JQuery object

...tion about it, but I solved it by using PHP instead of jQuery so I can't really dig more into it right now. – cregox Mar 2 '11 at 19:02 2 ...
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Inject service in app.config

...e into app.config, so that data can be retrieved before the controller is called. I tried it like this: 10 Answers ...
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Choosing Java vs Python on Google App Engine

...s mature. However, Java seems to have a longer list of libraries and especially support for Java bytecode regardless of the languages used to write that code. Which language will give better performance and more power? Please advise. Thank you! ...
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What is the _snowman param in Ruby on Rails 3 forms for?

...net Explorer (5, 6, 7 and 8) to encode its parameters as unicode. Specifically, this bug can be triggered if the user switches the browser's encoding to Latin-1. To understand why a user would decide to do something seemingly so crazy, check out this google search. Once the user has put the web-sit...
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Alternatives to JavaScript

...ipt is like Java because it has similar syntax and a similar name, but actually it's a lot more like lisp. It's actually pretty well suited to DOM manipulation. The real problem is that it's compiled by the browser, and that means it works in a very different way depending on the client. Not only ...
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Maximum length of the textual representation of an IPv6 address?

I want to store the data returned by $_SERVER["REMOTE_ADDR"] in PHP into a DB field, pretty simple task, really. The problem is that I can't find any proper information about the maximum length of the textual representation of an IPv6 address, which is what a webserver provides through $_SERVER...