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Legality of COW std::string implementation in C++11

...ing that copy-on-write is not a viable way to implement a conforming std::string in C++11, but when it came up in discussion recently I found myself unable to directly support that statement. ...
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Is there a way to escape a CDATA end token in xml?

...DIT2: The same section also reads: Within a CDATA section, only the CDEnd string is recognized as markup, so that left angle brackets and ampersands may occur in their literal form; they need not (and cannot) be escaped using "<" and "&". CDATA sections cannot nest. In other words, ...
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LEN function not including trailing spaces in SQL Server

....aspx, which states LEN "returns the number of characters of the specified string expression, excluding trailing blanks". It is, however, an easy detail on to miss if you're not wary. You need to instead use the DATALENGTH function - see http://msdn.microsoft.com/en-us/library/ms173486(SQL.90).asp...
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How do I split a string so I can access item x?

Using SQL Server, how do I split a string so I can access item x? 44 Answers 44 ...
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How to trick an application into thinking its stdout is a terminal, not a pipe

...ript command does what we want... script --return --quiet -c "[executable string]" /dev/null Does the trick! Usage: script [options] [file] Make a typescript of a terminal session. Options: -a, --append append the output -c, --command <command> run command rathe...
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how to listen to N channels? (dynamic select statement)

... true if the channel has not been closed. ch := chans[chosen] msg := value.String() You can experiment with a more fleshed out example here: http://play.golang.org/p/8zwvSk4kjx share | improve thi...
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Why do pthreads’ condition variable functions require a mutex?

...ad could come out when there was no work to be done. So you had to have an extra variable indicating that work should be done (this was inherently mutex-protected with the condvar/mutex pair here - other threads needed to lock the mutex before changing it however). It was technically possible for a...
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How do I convert from BLOB to TEXT in MySQL?

...ROUP_CONCATs that convert your output to blobs and you really want them as strings. I had an issue similar to the OP's while using Node.JS with the node-mysql library - this fixed all group_concat issues. – marksyzm Jul 26 '13 at 13:53 ...
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Escaping ampersand character in SQL string

...the ascii code for ampersand, and in this form it will be interpreted as a string, nothing else. I tried it and it worked. Another way could be using LIKE and an underline instead the '&' character: node_name LIKE 'Geometric Vectors _ Matrices' The chance that you'll find some other recor...
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How do I execute a string containing Python code in Python?

How do I execute a string containing Python code in Python? 14 Answers 14 ...