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What is a monad?
Having briefly looked at Haskell recently, what would be a brief, succinct, practical explanation as to what a monad essentially is?
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How do I get bit-by-bit data from an integer value in C?
I want to extract bits of a decimal number.
8 Answers
8
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Algorithm to get the excel-like column name of a number
... on a script that generate some Excel documents and I need to convert a number into its column name equivalent. For example:
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How to use Comparator in Java to sort
I learned how to use the comparable but I'm having difficulty with the Comparator. I am having a error in my code:
14 Answ...
Joining three tables using MySQL
I have three tables named
8 Answers
8
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Why can't overriding methods throw exceptions broader than the overridden method?
I was going through SCJP 6 book by Kathe sierra and came across this explanations of throwing exceptions in overridden method. I quite didn't get it. Can any one explain it to me ?
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how to check if object already exists in a list
...eeds of the specific situation. For example, the dictionary approach would be quite good assuming:
The list is relatively stable (not a lot of inserts/deletions, which dictionaries are not optimized for)
The list is quite large (otherwise the overhead of the dictionary is pointless).
If the above ...
Java synchronized method lock on object, or method?
If I have 2 synchronized methods in the same class, but each accessing different variables, can 2 threads access those 2 methods at the same time? Does the lock occur on the object, or does it get as specific as the variables inside the synchronized method?
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PostgreSQL delete with inner join
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DELETE
FROM m_productprice B
USING m_product C
WHERE B.m_product_id = C.m_product_id AND
C.upc = '7094' AND
B.m_pricelist_version_id='1000020';
or
DELETE
FROM m_productprice
WHERE m_pricelist_version_id='1000020...
What's the difference between & and && in MATLAB?
What is the difference between the & and && logical operators in MATLAB?
7 Answers
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