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Difference between Fact table and Dimension table?
When reading a book for business objects, I came across the term- fact table and dimension table.
9 Answers
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Which is a better way to check if an array has more than one element?
I just need to check if an array has more than one element.
I am trying to do it this way :
11 Answers
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Efficient way to determine number of digits in an integer
... size of the integer, would be a lookup. Should be faster than the much shorter logarithm based approach. If you don't care about counting the '-', remove the + 1.
// generic solution
template <class T>
int numDigits(T number)
{
int digits = 0;
if (number < 0) digits = 1; // remo...
Using emit vs calling a signal as if it's a regular function in Qt
... you'll see emit is just gone.
The "magic" happens in the generated code for the signal emitting function, which you can look at by inspecting the C++ code generated by moc.
For example a foo signal with no parameters generates this member function:
void W::foo()
{
QMetaObject::activate(this,...
JSON and XML comparison [closed]
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Before answering when to use which one, a little background:
edit: I should mention that this comparison is really from the perspective of using them in a browser with JavaScript. It's not the way either data format has to be u...
How to find the length of a string in R
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See ?nchar. For example:
> nchar("foo")
[1] 3
> set.seed(10)
> strn <- paste(sample(LETTERS, 10), collapse = "")
> strn
[1] "NHKPBEFTLY"
> nchar(strn)
[1] 10
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Unicode equivalents for \w and \b in Java regular expressions?
Many modern regex implementations interpret the \w character class shorthand as "any letter, digit, or connecting punctuation" (usually: underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
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bower command not found windows
I am having huge problems trying to use bower (to install foundation 5) or get anything bower related to work on the command line.
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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
...s there a better way than the following to check to see if a string is nil OR has a length of 0 in Ruby?
16 Answers
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How do I execute a Git command without being in the repository?
Is there a way to execute Git commands against a repository without being in that repository?
6 Answers
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