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How to detect a loop in a linked list?
...ime complexity, O(1) space complexity.
public static boolean hasLoop(Node root){
if(root == null) return false;
Node slow = root, fast = root;
int taken = 0, limit = 2;
while (fast.next != null) {
fast = fast.next;
taken++;
if(slow == fast) return true;
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Storyboard warning: prototype table cells must have reuse identifiers
... answered May 30 '12 at 8:40
alerootaleroot
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Getting full URL of action in ASP.NET MVC [duplicate]
... best posted when something new is introduced.
– IAmGroot
Feb 16 '17 at 11:34
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Are tuples more efficient than lists in Python?
...he performance of your program -- remember "premature optimization is the root of all evil").
Python makes this very easy: timeit is your friend.
$ python -m timeit "x=(1,2,3,4,5,6,7,8)"
10000000 loops, best of 3: 0.0388 usec per loop
$ python -m timeit "x=[1,2,3,4,5,6,7,8]"
1000000 loops, best ...
How to add google chrome omnibox-search support for your site?
... [TAB] Feature for/on personal website?
You then add this XML file to the root of your site, and link to it in your <head> tag:
<link rel="search" type="application/opensearchdescription+xml" title="Stack Overflow" href="/opensearch.xml" />
Now, visitors to your page will automatical...
What is the relative performance difference of if/else versus switch statement in Java?
...first to determine where the slow spots are. Premature optimization is the root of all evil!
Nevertheless, it's possible to talk about the relative performance of switch vs. if/else with the Java compiler optimizations. First note that in Java, switch statements operate on a very limited domain -- ...
How to initialize/instantiate a custom UIView class with a XIB file in Swift
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@jr-root-cs Your edit contained typos/errors, I had to roll it back. And anyway please don't add code to existing answers. Instead, make a comment; or add your version in your own answer. Thanks.
– Eric Aya
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Get folder name from full file path
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See DirectoryInfo.Name:
string dirName = new DirectoryInfo(@"c:\projects\roott\wsdlproj\devlop\beta2\text").Name;
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Get class name of object as string in Swift
... like array, a dictionary, an Int, a NSDate, etc.
Because NSObject is the root class of most Objective-C class hierarchies, you could try to make an extension for NSObject to get the class name of every subclass of NSObject. Like this:
extension NSObject {
var theClassName: String {
re...
rbenv not changing ruby version
...pt you are executing and each of its parent directories until reaching the root of your filesystem.
The first .ruby-version file found by searching the current working directory and each of its parent directories until reaching the root of your filesystem. You can modify the .ruby-version file in ...