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Scala constructor overload?
How do you provide overloaded constructors in Scala?
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How to center align the cells of a UICollectionView?
I am currently using UICollectionView for the user interface grid, and it works fine. However, I'd like to be enable horizontal scrolling. The grid supports 8 items per page and when the total number of items are, say 4, this is how the items should be arranged with horizontal scroll direction ena...
In Scala, what exactly does 'val a: A = _' (underscore) mean?
What exactly does val a: A = _ initialize a value to? Is this a typed null? Thanks.
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How do you sort an array on multiple columns?
I have a multidimensional array. The primary array is an array of
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Why does this code using random strings print “hello world”?
The following print statement would print "hello world".
Could anyone explain this?
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How to get the first column of a pandas DataFrame as a Series?
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Getting the closest string match
I need a way to compare multiple strings to a test string and return the string that closely resembles it:
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How to show all shared libraries used by executables in Linux?
I'd like to know which libraries are used by executables on my system. More specifically, I'd like to rank which libraries are used the most, along with the binaries that use them. How can I do this?
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Return a value if no rows are found in Microsoft tSQL
Using a Microsoft version of SQL, here's my simple query. If I query a record that doesn't exist then I will get nothing returned. I'd prefer that false (0) is returned in that scenario. Looking for the simplest method to account for no records.
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How can I detect if the user is on localhost in PHP?
In other words, how can I tell if the person using my web application is on the server it resides on? If I remember correctly, PHPMyAdmin does something like this for security reasons.
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