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Data structure: insert, remove, contains, get random element, all at O(1)
...e keys are the elements in the data structure, and the values are their positions in the array.
insert(value): append the value to array and let i be its index in A. Set H[value]=i.
remove(value): We are going to replace the cell that contains value in A with the last element in A. let d be the la...
Declaring pointers; asterisk on the left or right of the space between the type and name? [duplicate
...ointers in one of two ways, and I have no idea which one is correct, of if it even matters.
6 Answers
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How do you represent a graph in Haskell?
It's easy enough to represent a tree or list in haskell using algebraic data types. But how would you go about typographically representing a graph? It seems that you need to have pointers. I'm guessing you could have something like
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Dynamically adding a form to a Django formset with Ajax
... a Django formset using Ajax, so that when the user clicks an "add" button it runs JavaScript that adds a new form (which is part of the formset) to the page.
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How can I escape square brackets in a LIKE clause?
I am trying to filter items with a stored procedure using like. The column is a varchar(15). The items I am trying to filter have square brackets in the name.
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Shortcut for creating single item list in C#
In C#, is there an inline shortcut to instantiate a List with only one item.
13 Answers
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Difference between array_push() and $array[] =
... overheads to the call, as PHP has to look up the function reference, find its position in memory and execute whatever code it defines.
Using $arr[] = 'some value'; does not require a function call, and implements the addition straight into the data structure. Thus, when adding a lot of data it is ...
Could not find any resources appropriate for the specified culture or the neutral culture
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I just hit this same exception in a WPF project. The issue occurred within an assembly that we recently moved to another namespace (ProblemAssembly.Support to ProblemAssembly.Controls). The exception was happening when trying to ac...
Removing duplicate rows in Notepad++
Is it possible to remove duplicated rows in Notepad++, leaving only a single occurrence of a line?
12 Answers
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Difference between Service, Async Task & Thread?
...iption about them, I won't repeat them, instead I will try to give answer with my own words, hope they will help you.
Service is like an Activity but has no user interface. Probably if you want to fetch the weather for example you won't create a blank activity for it, for this you will use a Servi...