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TCP: can two different sockets share a port?

...lished connection is uniquely identified by the combination of client-side and server-side IP/Port pairs. Multiple connections on the same server can share the same server-side IP/Port pair as long as they are associated with different client-side IP/Port pairs, and the server would be able to hand...
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Is there a difference between single and double quotes in Java?

Is there a difference between single and double quotes in Java? 4 Answers 4 ...
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PHP Difference between array() and []

I'm writing a PHP app and I want to make sure it will work with no errors. 5 Answers 5...
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Prevent direct access to a php include file

...or may not fully control" situation is to put your includes in a directory and deny access to that directory in your .htaccess file. To save people the trouble of Googling, if you're using Apache, put this in a file called ".htaccess" in the directory you don't want to be accessible: Deny from all ...
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HTML5 Pre-resize images before uploading

...r. I will have a play tonight... With the file api that is. I got the drag and drop upload to work and I realised this would also be a really nice feature to include. Yippee. – Jimmyt1988 Apr 26 '12 at 13:20 ...
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Prevent automatic browser scroll on refresh

If you go to a page a and scroll around then refresh the page will refresh at the spot where you left it. This is great, however this also occurs on pages where there is a anchor location in the url. An example would be if you clicked on a link http://example.com/post/244#comment5 and refreshed th...
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Extract substring using regexp in plain bash

I'm trying to extract the time from a string using bash, and I'm having a hard time figuring it out. 4 Answers ...
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Can I mix Swift with C++? Like the Objective-C .mm files

I just changed my .m files to .mm and use C++. Is there a way to do the same with Swift? 13 Answers ...
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Should I URL-encode POST data?

... General Answer The general answer to your question is that it depends. And you get to decide by specifying what your "Content-Type" is in the HTTP headers. A value of "application/x-www-form-urlencoded" means that your POST body will need to be URL encoded just like a GET parameter string. A va...
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Case objects vs Enumerations in Scala

...es. However, I find in general that enumerations are a bit clumsy in Scala and have the feel of an awkward add-on, so I now tend to use case objects. A case object is more flexible than an enum: sealed trait Currency { def name: String } case object EUR extends Currency { val name = "EUR" } //etc. ...