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Quicksort vs heapsort
...ce sorting. Which is better? What are the applications and cases in which either is preferred?
12 Answers
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Image resizing client-side with JavaScript before upload to the server
I am looking for a way to resize an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
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How to override !important?
... my calendar page, the original CSS has the height of each table cell set with the !important declaration:
8 Answers
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What do ellipsis […] mean in a list?
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It means that you created an infinite list nested inside itself, which can not be printed. p contains p which contains p ... and so on. The [...] notation is a way to let you know this, and to inform that it can't be represe...
Count the items from a IEnumerable without iterating?
Let's say I want iterate on those and write something like processing #n of #m.
19 Answers
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Why are arrays covariant but generics are invariant?
...invariant rules out useful polymorphic programs.
For example, consider writing a function to shuffle an array, or a function that tests two arrays for equality using the Object.equals method on the elements. The implementation does not depend on the exact type of element stored in the array, so it...
How to explain callbacks in plain english? How are they different from calling one function from ano
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Often an application needs to execute different functions based upon its context/state. For this, we use a variable where we would store the information about the function to be called. According to its need the application will set this variable with the information about function to be ca...
How to call base.base.method()?
...since people still return to this question even after many time. Of course it's bad practice, but it's still possible (in principle) to do what author wants with:
class SpecialDerived : Derived
{
public override void Say()
{
Console.WriteLine("Called from Special Derived.");
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How can I disable ReSharper in Visual Studio and enable it again?
I installed ReSharper , and it works in Visual Studio, but how can disable it?
13 Answers
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What exactly is nullptr?
We now have C++11 with many new features. An interesting and confusing one (at least for me) is the new nullptr .
14 Answe...