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z-index not working with fixed positioning
I have a div with default positioning (i.e. position:static ) and a div with a fixed position.
8 Answers
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No == operator found while comparing structs in C++
Comparing two instances of the following struct, I receive an error:
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Difference between string and char[] types in C++
I know a little C and now I'm taking a look at C++.
I'm used to char arrays for dealing with C strings, but while I look at C++ code I see there are examples using both string type and char arrays:
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What is the difference between \r and \n?
How are \r and \n different? I think it has something to do with Unix vs. Windows vs. Mac, but I'm not sure exactly how they're different, and which to search for/match in regexes.
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What's the best way to do a backwards loop in C/C#/C++?
I need to move backwards through an array, so I have code like this:
14 Answers
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Writing string to a file on a new line every time
I want to append a newline to my string every time I call file.write() . What's the easiest way to do this in Python?
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How to randomly select an item from a list?
Assume I have the following list:
14 Answers
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How to add a touch event to a UIView?
How do I add a touch event to a UIView?
I try:
15 Answers
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Adding a column to a data.frame
I have the data.frame below. I want to add a column that classifies my data according to column 1 ( h_no ) in that way that the first series of h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column.
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Insert, on duplicate update in PostgreSQL?
Several months ago I learned from an answer on Stack Overflow how to perform multiple updates at once in MySQL using the following syntax:
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