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Size-limited queue that holds last N elements in Java
...ns collections 4 has a CircularFifoQueue<> which is what you are looking for. Quoting the javadoc:
CircularFifoQueue is a first-in first-out queue with a fixed size that replaces its oldest element if full.
import java.util.Queue;
import org.apache.commons.collections4.queue.Circ...
Does Swift support reflection?
Does Swift support reflection? e.g. is there something like valueForKeyPath: and setValue:forKeyPath: for Swift objects?
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How to read a single char from the console in Java (as the user types it)?
Is there an easy way to read a single char from the console as the user is typing it in Java? Is it possible? I've tried with these methods but they all wait for the user to press enter key:
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Eclipse reports rendering library more recent than ADT plug-in
On a new Android SDK installation, the Eclipse Graphical Layout is blank, rather than showing the rendering of the layout. Eclipse displays this message:
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What does collation mean?
What does collation mean in SQL, and what does it do?
9 Answers
9
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Can an AJAX response set a cookie?
...what is my alternative solution? Should I set it with Javascript or something similar?
4 Answers
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Convert string to variable name in JavaScript
I’ve looked for solutions, but couldn’t find any that work.
11 Answers
11
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LINQ to SQL - Left Outer Join with multiple join conditions
I have the following SQL, which I am trying to translate to LINQ:
6 Answers
6
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When should a class be Comparable and/or Comparator?
...parator 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
A comparator object is capable of comparing two different objects....
How to for each the hashmap? [duplicate]
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I know I'm a bit late for that one, but I'll share what I did too, in case it helps someone else :
HashMap<String, HashMap> selects = new HashMap<String, HashMap>();
for(Map.Entry<String, HashMap> entry : selects.entrySet()) {
String key = entry.getKey();
HashMap ...