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Sorting an ArrayList of objects using a custom sorting order
...Comparable<Contact> {
private String name;
private String phone;
private Address address;
public int compareTo(Contact other) {
return name.compareTo(other.name);
}
// Add/generate getters/setters and other boilerplate.
}
so that you can just do
List<Co...
How does one write code that best utilizes the CPU cache to improve performance?
...o avoid alignment holes (sorting your struct members by decreasing size is one way)
Beware of the standard dynamic memory allocator, which may introduce holes and spread your data around in memory as it warms up.
Make sure all adjacent data is actually used in the hot loops. Otherwise, consider brea...
How to determine one year from now in Javascript
I'm trying to get one year from now's date, and it's not working.
7 Answers
7
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Why would adding a method add an ambiguous call, if it wouldn't be involved in the ambiguity
... applicable candidates a candidate must be (1) unbeaten, (2) beat at least one other candidate, and (3) be the unique candidate that has the first two properties. Candidate three is beaten by no other candidate, and beats at least one other candidate; it is the only candidate with this property. The...
Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
...
Any ideas on how to resolve this?
Delete one.
I've been playing with the build path to no success.
Step #1: Undo all that. If you are messing with the build path, on R16 or higher version of the ADT plugin for Eclipse, you're doing it wrong.
Step #2: Pick one...
How to hide one item in an Android Spinner
I am looking for a way to hide one item in an Android spinner widget. This would allow you to simulate a spinner with no items selected, and ensures that the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one ite...
In VIM, how do I break one really long line into multiple lines?
... This is the opposite of Ctrl+j (combines multiple lines into one).
– Yzmir Ramirez
Mar 31 '11 at 3:56
9
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What Makes a Good Unit Test? [closed]
... in Java with JUnit (There's a version with C#-Nunit too.. but I have this one.. its agnostic for the most part. Recommended.)
Good Tests should be A TRIP (The acronymn isn't sticky enough - I have a printout of the cheatsheet in the book that I had to pull out to make sure I got this right..)
Au...
What is the difference between procedural programming and functional programming? [closed]
... and functional programming , but I'm still slightly confused. Could someone boil it down to the core?
17 Answers
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Concurrent vs serial queues in GCD
...the concurrent and serial queues in GCD. I have some issues and hoping someone can answer me clearly and at the point.
6 An...