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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
What are some algorithms which we use daily that has O(1), O(n log n) and O(log n) complexities?
11 Answers
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Splitting a list into N parts of approximately equal length
...a list into roughly equal parts? For example, if the list has 7 elements and is split it into 2 parts, we want to get 3 elements in one part, and the other should have 4 elements.
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How to rethrow the same exception in SQL Server
...al clean code sample to rollback a series of statements if an error occurs and reports the error message.
begin try
begin transaction;
...
commit transaction;
end try
begin catch
if @@trancount > 0 rollback transaction;
throw;
end catch
Before SQL 2012
begin try
begin t...
Do Swift-based applications work on OS X 10.9/iOS 7 and lower?
Will Swift-based applications work on OS X 10.9 (Mavericks)/iOS 7 and lower?
19 Answers
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How exactly to use Notification.Builder
...en added to the Support Package so we can use this to support API level v4 and up:
http://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder.html
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Accessing dict keys like an attribute?
... Unless - of course - you assign some value to them, see below)
Attributes and items are always in sync
Trying to access non-existent key as an attribute correctly raises AttributeError instead of KeyError
Supports [Tab] autocompletion (e.g. in jupyter & ipython)
Cons:
Methods like .keys() wil...
How to make input type= file Should accept only pdf and xls
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You could do so by using the attribute accept and adding allowed mime-types to it. But not all browsers do respect that attribute and it could easily be removed via some code inspector. So in either case you need to check the file type on the server side (your second que...
Deleting a Google App Engine application
...oing to IAM --> Settings --> Shut Down. This button is in the header and a bit tricky to spot. It looks like this:
As of AppEngine SDK 1.2.6 it's possible to delete apps completely. But beware, the app-id won't be usable again.
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What is the best JavaScript code to create an img element
...te a simple bit of JS code that creates an image element in the background and doesn't display anything. The image element will call a tracking URL (such as Omniture) and needs to be simple and robust and work in IE 6 =< only. Here is the code I have:
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CSS Classes & SubClasses
...means:
Apply this style to any element that has both the class "area1" and "item".
Such as:
<div class="area1 item">
Sadly it doesn't work in IE6, but that's what it means.
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