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What's the point of 'const' in the Haskell Prelude?
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It's useful for passing to higher-order functions when you don't need all their flexibility. For example, the monadic sequence operator >> can be defined in terms of the monadic bind operator as
x >> y = x >>= const y
It's somewhat neater than using a lambda
x >> y =...
Do I cast the result of malloc?
... someone suggested in a comment that I should not cast the result of malloc , i.e.
29 Answers
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Where can I find Android source code online? [closed]
...plication(e.g.the contact application) ? Is the only way to go to download all there is?
7 Answers
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Initial bytes incorrect after Java AES/CBC decryption
...hought of making a fully functional code.
Hope this will be useful to you all:
To compile you need additional Apache Commons Codec jar, which is available here:
http://commons.apache.org/proper/commons-codec/download_codec.cgi
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
...p of Statements with Time complexity as given in 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 store...
How to get the difference between two arrays in JavaScript?
... The fastest way is the most obviously naive solution. I tested all of the proposed solutions for symmetric diff in this thread, and the winner is: function diff2(a, b) { var i, la = a.length, lb = b.length, res = []; if (!la) return b; else if (!lb) r...
Use different Python version with virtualenv
... system currently running with python 2.5.4. I got virtualenv properly installed, everything is working fine. Is there a possibility that I can use a virtualenv with a different version of Python?
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How to read contacts on Android 2.0
I'm working on Android 2.0 and am trying to receive a list of all contacts.
9 Answers
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SQL Server: Filter output of sp_who2
Under SQL Server, is there an easy way to filter the output of sp_who2? Say I wanted to just show rows for a certain database, for example.
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Why does C# forbid generic attribute types?
...pful information either, although it does provide an example of what's not allowed.
My copy of the annotated C# 3 spec should arrive tomorrow... I'll see if that gives any more information. Anyway, it's definitely a language decision rather than a runtime one.
EDIT: Answer from Eric Lippert (parap...