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How can I make a div stick to the top of the screen once it's been scrolled to?
I would like to create a div, that is situated beneath a block of content but that once the page has been scrolled enough to contact its top boundary, becomes fixed in place and scrolls with the page.
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Truncate a list to a given number of elements
What method truncates a list--for example to the first 100 elements--discarding the others (without iterating through individual elements)?
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How to navigate through a vector using iterators? (C++)
The goal is to access the "nth" element of a vector of strings instead of the [] operator or the "at" method. From what I understand, iterators can be used to navigate through containers, but I've never used iterators before, and what I'm reading is confusing.
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Data structure for loaded dice?
Suppose that I have an n-sided loaded die where each side k has some probability p k of coming up when I roll it. I'm curious if there is good algorithm for storing this information statically (i.e. for a fixed set of probabilities) so that I can efficiently simulate a random roll of the die.
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What are the special dollar sign shell variables?
In Bash, there appear to be several variables which hold special, consistently-meaning values. For instance,
4 Answers
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Procedure expects parameter which was not supplied
I'm getting the error when accessing a Stored Procedure in SQL Server
12 Answers
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What is more efficient? Using pow to square or just multiply it with itself?
What of these two methods is in C more efficient? And how about:
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The most efficient way to implement an integer based power function pow(int, int)
What is the most efficient way given to raise an integer to the power of another integer in C?
17 Answers
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How to call Makefile from another Makefile?
I'm getting some unexpected results calling one makefile from another. I have two makefiles, one called /path/to/project/makefile and one called /path/to/project/gtest-1.4.0/make/Makefile . I'm attempting to have the former call the latter. In /path/to/project/makefile, I have
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How do browsers pause/change Javascript when tab or window is not active?
Background: I'm doing some user interface tests that need to detect if people are paying attention or not. But, this question is not about the page visibility API .
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