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What is the syntax rule for having trailing commas in tuple definitions?

In the case of a single element tuple, the trailing comma is required. 10 Answers 10 ...
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LaTeX package for syntax highlighting of code in various languages

I am looking for a LaTeX package that does syntax highlighting on code. For example, right now I use the verbatim block to write code: ...
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LINQ - Full Outer Join

...m relational database design: A join will repeat elements from a as many times as there are elements in b with corresponding key (i.e.: nothing if b were empty). Database lingo calls this inner (equi)join. An outer join includes elements from a for which no corresponding element exists in b. (i.e....
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?

... A long time ago, I was teaching C from a textbook that had printf("sizeof(int)=%d\n", sizeof(int)); as a sample question. It failed for a student, because sizeof yields values of type size_t, not int, int on this implementation ...
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Using ping in c#

When I Ping a remote system with windows it says there is no reply, but when I ping with c# it says success. Windows is correct, the device is not connected. Why is my code able to successfully ping when Windows is not? ...
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How to check if a file exists in Go?

Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it? ...
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Behaviour of increment and decrement operators in Python

...ake sense, and also are not as necessary as in C, where you use them every time you have a loop, for example. share | improve this answer | follow | ...
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Regular expression to match DNS hostname or IP Address?

Does anyone have a regular expression handy that will match any legal DNS hostname or IP address? 21 Answers ...
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How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?

I have several PHP pages echoing out various things into HTML pages with the following code. 6 Answers ...
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What does the caret operator (^) in Python do?

...owed by composition B, meanwhile also be playing composition C at the same time in parallel." Talk about a beautiful piece of code! – ely Oct 18 '13 at 13:51 ...