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When to use CouchDB over MongoDB and vice versa
I am stuck between these two NoSQL databases.
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What port is a given program using? [closed]
I want to be able to figure out what port a particular program is using. Are there any programs available online or that come with windows that will tell me which processes are using which ports on my computer?
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What is the correct XPath for choosing attributes that contain “foo”?
Given this XML, what XPath returns all elements whose prop attribute contains Foo (the first three nodes):
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How to get a variable name as a string in PHP?
Say i have this PHP code:
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Why is “using namespace std;” considered bad practice?
I've been told by others that writing using namespace std; in code is wrong, and that I should use std::cout and std::cin directly instead.
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How to validate an email address in JavaScript
Is there a regular expression to validate an email address in JavaScript?
95 Answers
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How to free memory in Java?
Is there a way to free memory in Java, similar to C's free() function? Or is setting the object to null and relying on GC the only option?
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What are Unwind segues for and how do you use them?
iOS 6 and Xcode 4.5 has a new feature referred to as "Unwind Segue":
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What is the purpose of the var keyword and when should I use it (or omit it)?
What exactly is the function of the var keyword in JavaScript, and what is the difference between
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What's the best way to iterate over two or more containers simultaneously
C++11 provides multiple ways to iterate over containers. For example:
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