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Boolean vs boolean in Java
There are discussions around Integer vs int in Java. The default value of the former is null while in the latter it's 0 . How about Boolean vs boolean ?
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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...unwrapped then why create an optional in the first place?
For example, why is this:
10 Answers
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What is the “volatile” keyword used for?
...of the scope of the program itself. The compiler will then avoid any optimisations that may result in problems if the variable changes "outside of its control".
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Why should C++ programmers minimize use of 'new'?
...n Stack Overflow question Memory leak with std::string when using std::list<std::string> , and one of the comments says this:
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Test if a variable is set in bash when using “set -o nounset”
The following code exits with a unbound variable error. How to fix this, while still using the set -o nounset option?
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Is there any reason to use a synchronous XMLHttpRequest?
...synchronous requests with XMLHttpRequest but obviously the fact that there is the ability to do synchronous requests indicates there might be a valid reason to do so. So what might that valid reason be?
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What is Bootstrap?
... a download section and a few words after that. Nothing that explains what is it for... I just understood that it is a front-end helper. I have tried to find something by Googling, but found nothing specific. Everything I found is related to the computer science definition.
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SQL left join vs multiple tables on FROM line?
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The old syntax, with just listing the tables, and using the WHERE clause to specify the join criteria, is being deprecated in most modern databases.
It's not just for show, the old syntax has the possibility of being ambiguous when you use both INNER ...
C++ performance vs. Java/C#
My understanding is that C/C++ produces native code to run on a particular machine architecture. Conversely, languages like Java and C# run on top of a virtual machine which abstracts away the native architecture. Logically it would seem impossible for Java or C# to match the speed of C++ because ...
std::enable_if to conditionally compile a member function
...example to work to understand how to use std::enable_if . After I read this answer , I thought it shouldn't be too hard to come up with a simple example. I want to use std::enable_if to choose between two member-functions and allow only one of them to be used.
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