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C++ “virtual” keyword for functions in derived classes. Is it necessary?

With the struct definition given below... 9 Answers 9 ...
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What is the Swift equivalent to Objective-C's “@synchronized”?

I've searched the Swift book, but can't find the Swift version of @synchronized. How do I do mutual exclusion in Swift? 21 ...
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Timeout a command in bash without unnecessary delay

This answer to Command line command to auto-kill a command after a certain amount of time 23 Answers ...
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What is the difference between float and double?

I've read about the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the d...
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How can I convert spaces to tabs in Vim or Linux?

I've looked over several questions on Stack Overflow for how to convert spaces to tabs without finding what I need. There seem to be more questions about how to convert tabs to spaces, but I'm trying to do the opposite. ...
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TypeError: 'str' does not support the buffer interface

... answered Jan 9 '16 at 0:43 Riaz RizviRiaz Rizvi 6,53522 gold badges3131 silver badges3131 bronze badges ...
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YYYY-MM-DD format date in shell script

I tried using $(date) in my bash shell script, however, I want the date in YYYY-MM-DD format. How do I get this? 13 A...
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How to overcome “datetime.datetime not JSON serializable”?

...y thanks – Sérgio Sep 22 '14 at 20:43 12 ...
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Convert a list to a string in C#

How do I convert a list to a string in C#? 13 Answers 13 ...
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Emacs bulk indent for Python

...just fine. – Vernon Apr 6 '10 at 14:43 @Vernon: C-c > is defined in python-mode.el, so I think you must have instal...