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Big-O summary for Java Collections Framework implementations? [closed]
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The guy above gave comparison for HashMap / HashSet vs. TreeMap / TreeSet.
I will talk about ArrayList vs. LinkedList:
ArrayList:
O(1) get()
amortized O(1) add()
if you insert or delete an element in the middle using ListIterator.add() or Iterator.remove(), it will be O(n)...
Comparison of CI Servers? [closed]
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community wiki
5 revs, 5 users 76%Jeffrey Fredrick
5
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GUI not working after rewriting to MVC
...el, which has a variety of fireTable*Changed/Updated/etc methods that will alert all of its TableModelListener observers of mods to the model.
One option you have is to add a listener type to your Model class, and then notify your registered observers of any mods to the state of your model. Your...
How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...w);
echo json_encode($_GET);
die ();
} //else
?><head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
var _settimer;
var _timer;
var _waiting;
$(function(){
clearTabl...
How can you find and replace text in a file using the Windows command-line environment?
I am writing a batch file script using Windows command-line environment and want to change each occurrence of some text in a file (ex. "FOO") with another (ex. "BAR"). What is the simplest way to do that? Any built in functions?
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What does ~~ (“double tilde”) do in Javascript?
...Somewhat surprisingly, ~~ is faster than Math.trunc, jsperf.com/math-trunc-vs-double-bitwise-not-operator. Though, not everything is about speed; readability too.
– Gajus
Dec 20 '14 at 11:10
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Send file using POST from a Python script
Is there a way to send a file using POST from a Python script?
8 Answers
8
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When should a class be Comparable and/or Comparator?
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The text below comes from Comparator vs Comparable
Comparable
A comparable object is capable of comparing itself with another object. The class itself must implements the java.lang.Comparable interface in order to be able to compare its instances.
Comparator
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How to use __doPostBack()
...doPostBack() , but I have no idea how to do it. I want to use vanilla JavaScript.
7 Answers
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Pipe to/from the clipboard in Bash script
Is it possible to pipe to/from the clipboard in Bash?
29 Answers
29
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