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What is the difference between 127.0.0.1 and localhost
...e only difference is that it would be looking up in the DNS for the system what localhost resolves to. This lookup is really, really quick. For instance, to get to stackoverflow.com you typed in that to the address bar (or used a bookmarklet that pointed here). Either way, you got here through a hos...
What is recursion and when should I use it?
... that in my answer as well. But to me, the big strength with recursion is what you can do with the call stack. You can write a succinct algorithm with recursion which branches repeatedly, enabling you to do things like crawling hierarchies (parent/child relationships) with ease. See my answer for...
What does the fpermissive flag do?
I'm just wondering what the -fpermissive flag does in the g++ compiler? I am getting:
4 Answers
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How to convert a double to long without casting?
What is the best way to convert a double to a long without casting?
9 Answers
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What is global::?
...nerated code. It is not something I have ever used myself so I don't know what the purpose is. Can someone explain this?
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Mocking vs. Spying in mocking frameworks
In mocking frameworks, you can mock an object or spy on it. What's the difference between the two and when would/should I use one over the other?
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What's an elegant way to conditionally add a class to an HTML element in a view?
....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f2626936%2fwhats-an-elegant-way-to-conditionally-add-a-class-to-an-html-element-in-a-view%23new-answer', 'question_page');
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What is an alternative to execfile in Python 3?
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execfile("./filename")
Use
exec(open("./filename").read())
See:
What’s New In Python 3.0
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What is the meaning of “this” in Java?
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@Joachim Thanks! I'm missing something fundamental about what it means to make a method static and how this. works. My understanding is that this. allows you to call a method or variable that is unique to the instantiated version of the class, allowing for another version of the m...
What does = +_ mean in JavaScript
I was wondering what the = +_ operator means in JavaScript. It looks like it does assignments.
12 Answers
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