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What's the difference between “groups” and “captures” in .NET regular expressions?
I'm a little fuzzy on what the difference between a "group" and a "capture" are when it comes to .NET's regular expression language. Consider the following C# code:
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How to detect duplicate values in PHP array?
I am working with a one dimensional array in PHP. I would like to detect the presence of duplicate values, then count the number of duplicate values and out put the results. For example, given the following array:
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What is the difference between packaged_task and async
While working with the threaded model of C++11, I noticed that
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Does Java 8 provide a good way to repeat a value or function?
In many other languages, eg. Haskell, it is easy to repeat a value or function multiple times, eg. to get a list of 8 copies of the value 1:
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Difference between wait and sleep
What is difference between wait and sleep ?
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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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How to get current time and date in C++?
Is there a cross-platform way to get the current date and time in C++?
24 Answers
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How to iterate through two lists in parallel?
I have two iterables in Python, and I want to go over them in pairs:
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What's the difference between backtracking and depth first search?
What's the difference between backtracking and depth first search?
13 Answers
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What does “dereferencing” a pointer mean?
Please include an example with the explanation.
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