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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
...n the question, here is a small list -
O(1) time
Accessing Array Index (int a = ARR[5];)
Inserting a node in Linked List
Pushing and Poping on Stack
Insertion and Removal from Queue
Finding out the parent or left/right child of a node in a tree stored in Array
Jumping to Next/Previous element in ...
How to create hyperlink to call phone number on mobile devices?
...or this reason the + sign is always necessary. The + sign is automatically converted by your mobile carrier to your international dialing prefix, also known as "exit code". This code varies by region, country, and sometimes a single country can use multiple codes, depending on the carrier. Fortunate...
When should I use “this” in a class?
...his to call alternate constructors. In the comments, trinithis correctly pointed out another common use of this. When you have multiple constructors for a single class, you can use this(arg0, arg1, ...) to call another constructor of your choosing, provided you do so in the first line of your constr...
The specified type member 'Date' is not supported in LINQ to Entities. Only initializers, entity mem
...
DateTime.Date cannot be converted to SQL. Use EntityFunctions.TruncateTime method to get date part.
var eventsCustom = eventCustomRepository
.FindAllEventsCustomByUniqueStudentReference(userDevice.UniqueStudentReference)
.Where(x => EntityFuncti...
Create Generic method constraining T to an Enum
...
Since Enum Type implements IConvertible interface, a better implementation should be something like this:
public T GetEnumFromString<T>(string value) where T : struct, IConvertible
{
if (!typeof(T).IsEnum)
{
throw new ArgumentException("T must b...
GUI-based or Web-based JSON editor that works like property explorer [closed]
...put a UI in front of the Perl data structure generation, e.g. a web form.
Converting a structure to JSON is very straightforward:
use strict;
use warnings;
use JSON::Any;
my $data = { arbitrary structure in here };
my $json_handler = JSON::Any->new(utf8=>1);
my $json_string = $json_handler-...
What are the differences between ArrayList and Vector?
...any accidental unsynchronized access to the list.
Reference
Data growth
Internally, both the ArrayList and Vector hold onto their contents using an Array. When an element is inserted into an ArrayList or a Vector, the object will need to expand its internal array if it runs out of room. A Vector ...
Why aren't variables declared in “try” in scope in “catch” or “finally”?
...els of scope: global and function. But, try/catch is an exception (no pun intended). When an exception is thrown and the exception object gets a variable assigned to it, that object variable is only available within the "catch" section and is destroyed as soon as the catch completes.
(and more imp...
Check for null in foreach loop
...s "I know there are no elements" when null actually(/originally) should be interpreted as "I don't know if there are any elements" use an empty set to show that you know there are no elements in the set. That would also be DRY'er since you won't have to do the null check as often.
EDIT as a follow ...
Android screen size HDPI, LDPI, MDPI [duplicate]
...
Check out this awesome converter. http://labs.rampinteractive.co.uk/android_dp_px_calculator/
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