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

It had been my understanding 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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How to print instances of a class using print()?

I am learning the ropes in Python. When I try to print an object of class Foobar using the print() function, I get an output like this: ...
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Encode html entities in javascript

I am working in a CMS which allows users to enter content. The problem is that when they add symbols ® , it may not display well in all browsers. I would like to set up a list of symbols that must be searched for, and then converted to the corresponding html entity. For example ...
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What exactly is Type Coercion in Javascript?

What exactly is type coercion in Javascript? 10 Answers 10 ...
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var.replace is not a function

I'm using the below code to try to trim the string in Javascript but am getting the error mentioned in the title: 10 Answer...
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Python string.replace regular expression [duplicate]

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How can I find the current OS in Python? [duplicate]

As the title says, how can I find the current operating system in python? 5 Answers 5 ...
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How to sort an array in Bash

I have an array in Bash, for example: 16 Answers 16 ...
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Identifying and removing null characters in UNIX

I have a text file containing unwanted null characters (ASCII NUL, \0 ). When I try to view it in vi I see ^@ symbols, interleaved in normal text. How can I: ...
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Regular expression for matching latitude/longitude coordinates?

I'm trying to create a regular expression for matching latitude/longitude coordinates. For matching a double-precision number I've used (\-?\d+(\.\d+)?) , and tried to combine that into a single expression: ...