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What should main() return in C and C++?
...dard defines 3 values for returning that are strictly conforming (that is, does not rely on implementation defined behaviour): 0 and EXIT_SUCCESS for a successful termination, and EXIT_FAILURE for an unsuccessful termination. Any other values are non-standard and implementation defined. In C90, main...
Best way to give a variable a default value (simulate Perl ||, ||= )
...escing operator. You can use it like this:
$name = $_GET['name'] ?? 'john doe';
This is equivalent to
$name = isset($_GET['name']) ? $_GET['name']:'john doe';
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What exactly does the enable-background attribute do?
What exactly does the enable-background attribute do?
2 Answers
2
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How to check if a file exists in a folder?
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Noe that this answer returns false if the user does not have permission to read the file. So it does more than just checkinf if the file exists in a folder. You might want to use DirectoryInfo.GetFiles() and enumerate the result.
– ogborstad
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Why does printf not flush after the call unless a newline is in the format string?
Why does printf not flush after the call unless a newline is in the format string? Is this POSIX behavior? How might I have printf immediately flush every time?
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Why does C# not provide the C++ style 'friend' keyword? [closed]
...t kidding ;))
On a serious note: internal is not as good as friend but it does get the job done. Remember that it is rare that you will be distributing your code to 3rd party developers not through a DLL; so as long as you and your team know about the internal classes and their use you should be fi...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
...nywhere that Java works (and the hardware supports that kind of UI). That doesn't make Java better, it makes it more portable in this specific way.
– Ben Collins
Oct 8 '14 at 22:37
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Compare equality between two objects in NUnit
...g Equals(), GetHashCode() and making the object immutable just for testing does not make sense.
– bavaza
Dec 9 '13 at 6:51
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_=> what does this underscore mean in Lambda expressions?
What does an lambda expression like _=> expr mean?
5 Answers
5
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Why does a function with no parameters (compared to the actual function definition) compile?
...takes separated by commas. If no parameters are given, then the function
does not take any and should be defined with an empty set of
parenthesis or with the keyword void. If no variable type is in front
of a variable in the paramater list, then int is assumed. Arrays and
functions are not p...