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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities

...inked List O(n) time In a nutshell, all Brute Force Algorithms, or Noob ones which require linearity, are based on O(n) time complexity Traversing an array Traversing a linked list Linear Search Deletion of a specific element in a Linked List (Not sorted) Comparing two strings Checking for Pali...
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jQuery: Get selected element tag name

... pure JS solutions (like this one) are generally superior to jQuery ones especially if they do not suffer from browser compatibility problems or are much more verbose. – Steven Lu Jul 25 '12 at 16:24 ...
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JAX-RS — How to return JSON and HTTP status code together?

... actually, one can just return the object not wrapping to the Response. – ses Apr 25 at 20:32 ...
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Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [

...hat the error is benign and should not cause any run-time problems, though one of the comments disagrees with that. In my own experience, I have been able to work without any problems using JDK 1.7.0_60 despite seeing the message. If this issue is causing serious problems, here are a few things I w...
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Difference between java.lang.RuntimeException and java.lang.Exception

Someone please explain the difference between java.lang.RuntimeException and java.lang.Exception ? How do I decide which one to extend if I create my own exception? ...
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Should I use char** argv or char* argv[]?

I'm just learning C and was wondering which one of these I should use in my main method. Is there any difference? Which one is more common? ...
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How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller

...lent of that. Of course you will have to make sure that the invocation is done, when the session is still available, so annotate your controller method with @Transactional. An alternative is to create an intermediate Service layer between the Controller and the Repository that could expose methods w...
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Spinlock versus Semaphore

...nd semaphore differ mainly in four things: 1. What they are A spinlock is one possible implementation of a lock, namely one that is implemented by busy waiting ("spinning"). A semaphore is a generalization of a lock (or, the other way around, a lock is a special case of a semaphore). Usually, but n...
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How do I obtain a Query Execution Plan in SQL Server?

... There are a number of methods of obtaining an execution plan, which one to use will depend on your circumstances. Usually you can use SQL Server Management Studio to get a plan, however if for some reason you can't run your query in SQL Server Management Studio then you might find it helpful...
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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?

...p its code a good deal, with relatively low loss of safety (as long as the one guarantee held, it would be safe). (Edit) To be clear though: regular optionals are nearly always preferable. share | ...