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Differences between TCP sockets and web sockets, one more time [duplicate]

Trying to understand as best as I can the differences between TCP socket and websocket, I've already found a lot of useful information within these questions: ...
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Comparing Haskell's Snap and Yesod web frameworks

...afe urls are possible due a combination of template engine AND routing mechanism. So it's not only Heist. You will not get type safe urls in Snap just by using hamlet. – Vagif Verdi Apr 13 '11 at 19:00 ...
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How can I access my localhost from my Android device?

I'm able to access my laptop web server using the Android emulator, I'm using 10.0.2.2:portno works well. 39 Answers ...
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Why does typeof NaN return 'number'?

... The phrase "these values may not be the same" has no meaning, because those values do not exist. – Dmitri Zaitsev May 29 '16 at 18:15 add a comment ...
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Should each and every table have a primary key?

...ue and PK constraints use non-unique indexes. – Stephanie Page May 31 '13 at 19:47 3 Just a comme...
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How to set time zone of a java.util.Date?

I have parsed a java.util.Date from a String but it is setting the local time zone as the time zone of the date object. ...
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Best practices for SQL varchar column length [closed]

... inserts or updates to write just the new length. – Maniero Sep 22 '13 at 0:26  |  show 5 more comments ...
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mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }

I tried mongo replica sets for the first time. 7 Answers 7 ...
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Shorten string without cutting words in JavaScript

I'm not very good with string manipulation in JavaScript, and I was wondering how you would go about shortening a string without cutting any word off. I know how to use substring, but not indexOf or anything really well. ...
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Pure virtual destructor in C++

Is it wrong to write: 2 Answers 2 ...