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When to use Tornado, when to use Twisted / Cyclone / GEvent / other [closed]

...web application? I would love to have an asynchronous webserver which will allow me to scale easly. What solution will give the best performance / scalability / most useful framework (in terms of easy of use and easy of developing)? ...
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Parsing domain from a URL

...; echo $parse['host']; // prints 'google.com' parse_url doesn't handle really badly mangled urls very well, but is fine if you generally expect decent urls. share | improve this answer ...
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How to get a user's client IP address in ASP.NET?

... Request.UserHostAddress to get the IP address in ASP.NET, but this is usually the user's ISP's IP address, not exactly the user's machine IP address who for example clicked a link. How can I get the real IP Address? ...
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What does “javascript:void(0)” mean?

...rator is often used merely to obtain the undefined primitive value, usually using “void(0)” (which is equivalent to “void 0”). In these cases, the global variable undefined can be used instead (assuming it has not been assigned to a non-default value). An explanation is provi...
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When should I use RequestFactory vs GWT-RPC?

I am trying to figure out if I should migrate my gwt-rpc calls to the new GWT2.1 RequestFactory cals. 8 Answers ...
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MySQL: Sort GROUP_CONCAT values

In short: Is there any way to sort the values in a GROUP_CONCAT statement? 2 Answers 2...
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How to get the insert ID in JDBC?

... key, then you can use Statement#getGeneratedKeys() for this. You need to call it on the same Statement as the one being used for the INSERT. You first need to create the statement using Statement.RETURN_GENERATED_KEYS to notify the JDBC driver to return the keys. Here's a basic example: public v...
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How to set the current working directory? [duplicate]

... Perhaps this is what you are looking for: import os os.chdir(default_path) share | improve this answer | follow | ...
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“The breakpoint will not currently be hit. The source code is different from the original version.”

... Using clean does not always work. I had to manually delete everything in my bin folder to get it to work again. – Carra May 4 '12 at 13:53 3 ...
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What is “rvalue reference for *this”?

Came across a proposal called "rvalue reference for *this" in clang's C++11 status page . 3 Answers ...