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How do I check to see if a value is an integer in MySQL?
...are Cast() and Convert() functions to create integers from values, but is there any way to check to see if a value is an integer? Something like is_int() in PHP is what I am looking for.
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Are there any O(1/n) algorithms?
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This question isn't as stupid as it might seem. At least theoretically, something such as O(1/n) is completely sensible when we take the mathematical definition of the Big O notation:
Now you can easily substitute g(x) for 1...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
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Well....Java is actually more portable. Mono isn't implemented everywhere, and it lags behind the Microsoft implementation significantly. The Java SDK seems to stay in better sync across platforms (and it works on more platforms).
I'...
what is the basic difference between stack and queue?
What is the basic difference between stack and queue??
11 Answers
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What is “2's Complement”?
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Two's complement is a clever way of storing integers so that common math problems are very simple to implement.
To understand, you have to think of the numbers in binary.
It basically says,
for zero, use all 0's.
for positive integers, start...
C# : 'is' keyword and checking for Not
This is a silly question, but you can use this code to check if something is a particular type...
12 Answers
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How does the bitwise complement operator (~ tilde) work?
Why is it that ~2 is equal to -3? How does ~ operator work?
15 Answers
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What is the difference between synchronous and asynchronous programming (in node.js)
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The difference is that in the first example, the program will block in the first line. The next line (console.log) will have to wait.
In the second example, the console.log will be executed WHILE the query is being processed. That is, the ...
Understanding Python's “is” operator
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You misunderstood what the is operator tests. It tests if two variables point the same object, not if two variables have the same value.
From the documentation for the is operator:
The operators is and is not test for object ...
Which is the fastest algorithm to find prime numbers?
Which is the fastest algorithm to find out prime numbers using C++? I have used sieve's algorithm but I still want it to be faster!
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