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When to use LinkedList over ArrayList in Java?
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get(int index) is O(n) (with n/4 steps on average), but O(1) when index = 0 or index = list.size() - 1 (in this case, you can also use getFirst() and getLast()). One of the main benefits of LinkedList<E>
add(int index, E element) is O(n) (with n/4 steps on average), but O(1) when index = 0 or...
How do I get a value of datetime.today() in Python that is “timezone aware”?
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380
In the standard library, there is no cross-platform way to create aware timezones without creati...
Installing rmagick on Ubuntu
I'm trying to get RMagick setup on Ubuntu 10.04. Looked here but had no joy. I even compiled and installed ImageMagick from source, but the instructions here still didn't help me when I try to install RMagick using RubyGems. I got this error:
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What is the difference between ArrayList.clear() and ArrayList.removeAll()?
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401
The source code for clear():
public void clear() {
modCount++;
// Let gc do its work
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Using switch statement with a range of value in each case?
... System.out.println("testing case 1 to 5");
} else if (isBetween(num, 6, 10)) {
System.out.println("testing case 6 to 10");
}
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How to check String in response body with mockMvc
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answered Aug 20 '13 at 13:36
Sotirios DelimanolisSotirios Delimanolis
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Algorithm to generate a crossword
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answered Jun 20 '09 at 15:02
nickfnickf
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how to debug the js in jsfiddle
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apanditapandit
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Rails - Could not find a JavaScript runtime?
I created a new Rails project using rails 3.1.0.rc4 on my local machine but when I try to start the server I get:
Could not find a JavaScript runtime. See here for a list of available runtimes. ( ExecJS::RuntimeUnavailable )
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How do I copy to the clipboard in JavaScript?
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2409
Overview
There are three primary browser APIs for copying to the clipboard:
Async Clipboard ...