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Why seal a class?

... create a class with a List<T> member variable, rather than deriving from List<T>. You'd then use the list to implement various methods. – Jon Skeet May 26 '09 at 20:23 ...
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iPhone OS: How do I create an NSDate for a specific date?

...0]; [comps setYear:2010]; NSDate *date = [[NSCalendar currentCalendar] dateFromComponents:comps]; share | improve this answer | follow | ...
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Returning a C string from a function

I am trying to return a C string from a function, but it's not working. Here is my code. 14 Answers ...
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Removing all non-numeric characters from string in Python

How do we remove all non-numeric characters from a string in Python? 7 Answers 7 ...
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“Single-page” JS websites and SEO

...ant burden. It should be baked in to the page and application architecture from the start - retrofitting is painful and will cause more duplication than is necessary. I've been working with pushState and SEO recently for a couple of different application, and I found what I think is a good approach...
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?

... Nate C was close, but not quite. From the docs: You can evaluate a QuerySet in the following ways: Iteration. A QuerySet is iterable, and it executes its database query the first time you iterate over it. For example, this will print the headline...
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nodejs how to read keystrokes from stdin

... For those finding this answer since this capability was stripped from tty, here's how to get a raw character stream from stdin: var stdin = process.stdin; // without this, we would only get streams once enter is pressed stdin.setRawMode( true ); // resume stdin in the parent process (no...
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What is the most efficient string concatenation method in python?

...cases. For example, I can increase my sample so that my current code goes from running at 0.17 seconds to 170 seconds. Well I want to test at larger sample sizes since there is less variation there. – Flipper Jan 8 '15 at 7:57 ...
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what is the difference between ?:, ?! and ?= in regex?

..."ab". The difference between ?: and ?= is that ?= excludes the expression from the entire match while ?: just doesn't create a capturing group. So for example a(?:b) will match the "ab" in "abc", while a(?=b) will only match the "a" in "abc". a(b) would match the "ab" in "abc" and create a capture ...
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Why doesn't Java offer operator overloading?

Coming from C++ to Java, the obvious unanswered question is why didn't Java include operator overloading? 16 Answers ...