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How many String objects will be created when using a plus sign?

...; Furthermore, the compiler will remove extraneous constant expressions, and only emit them if they are used or exposed. For instance, this program: const String one = "1"; const String two = "1"; const String result = one + two + "34"; public static void main(string[] args) { Console.Out.W...
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What is the meaning of the term “free function” in C++?

...ion for boost::test, I came across the term "free function". What I understand is that a free function is any function that doesn't return anything (Its return type is void). But after reading further it seems that free functions also don't take any arguments. But I am not sure. These all are my ass...
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Check whether a string matches a regex in JS

...fails because numbers don't have a match member). I'd reccomend explicitly converting your number to a string if you want to use it with a regex (String(123) for example). – Bronzdragon Jan 20 '19 at 14:47 ...
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Overriding superclass property with different type in Swift

...properties. Instead you can create an extra variable in the subclass that handles the new class type: class Chassis {} class RacingChassis : Chassis {} class Car { var chassis = Chassis() } class RaceCar: Car { var racingChassis = RacingChassis() override var chassis: Chassis { ...
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Ways to eliminate switch in code [closed]

... -1: I've never used a switch statement with typeof, and this answer doesn't suggest ways or reasons to work around switch statements in other situations. – Kevin Jun 18 '13 at 21:00 ...
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Should I implement __ne__ in terms of __eq__ in Python?

..., because self == other returns a proxy object, and not self == other just converts the truthy proxy object to False. Hopefully, filter throws an exception on being handled invalid arguments like False. While I'm sure many will argue that MyTable.fieldname should be consistently on the left hand sid...
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What tools to automatically inline CSS style to create email HTML code? [closed]

... Check the premailer.dialect.ca online converter or this Python script to do it. share | improve this answer | follow | ...
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Is there an alternative to string.Replace that is case-insensitive?

I need to search a string and replace all occurrences of %FirstName% and %PolicyAmount% with a value pulled from a database. The problem is the capitalization of FirstName varies. That prevents me from using the String.Replace() method. I've seen web pages on the subject that suggest ...
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How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?

I want to be able to connect to a PostgreSQL database and find all of the functions for a particular schema. 9 Answers ...
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How to declare a structure in a header that is to be used by multiple files in c?

...each source file needed it. The right way is putting it in an header file, and include this header file whenever needed. shall we open a new header file and declare the structure there and include that header in the func.c? This is the solution I like more, because it makes the code highly modular. ...