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How is “=default” different from “{}” for default constructor and destructor?

... C++11 are concerned, this cannot be a trivial type. This: struct Trivial2 { int foo; Trivial2() = default; }; Again as the name suggests, this is a trivial type. Why? Because you told the compiler to automatically generate the default constructor. The constructor is therefore not "user-pro...
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LINQ to read XML

... 226 Try this. using System.Xml.Linq; void Main() { StringBuilder result = new StringBuilder(...
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subtract two times in python

... 92 Try this: from datetime import datetime, date datetime.combine(date.today(), exit) - datetime....
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Python function global variables?

... 423 If you want to simply access a global variable you just use its name. However to change its val...
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Visual Studio (2008) 'Clean Solution' Option

... | edited Oct 21 '08 at 13:14 harriyott 10k88 gold badges6060 silver badges100100 bronze badges ...
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sqlalchemy: how to join several tables by one query?

... Ryabchenko Alexander 3,22711 gold badge1919 silver badges4545 bronze badges answered May 18 '11 at 13:04 Abdul KaderAbdul Ka...
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Use of undeclared identifier 'kUTTypeMovie'

... 295 You have to add the framework MobileCoreServices to the project, and then import it: Objectiv...
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Environment variable substitution in sed

...| edited May 5 '17 at 14:52 Benjamin W. 29.9k1515 gold badges6767 silver badges7373 bronze badges answer...
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Format numbers to strings in Python

...ring literals or f-strings: hours, minutes, seconds = 6, 56, 33 f'{hours:02}:{minutes:02}:{seconds:02} {"pm" if hours > 12 else "am"}' or the str.format function starting with 2.7: "{:02}:{:02}:{:02} {}".format(hours, minutes, seconds, "pm" if hours > 12 else "am") or the string formatti...
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.htm vs .html ? Which file extension naming is more correct? [closed]

... 12 Answers 12 Active ...