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Reset keys of array elements in php?
The question is how to reset key e.g. for an array:
6 Answers
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Remove empty array elements
Some elements in my array are empty strings based on what the user has submitted. I need to remove those elements. I have this:
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NULL vs nullptr (Why was it replaced?) [duplicate]
I know that in C++ 0x or NULL was replaced by nullptr in pointer-based applications. I'm just curious of the exact reason why they made this replacement?
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How get integer value from a enum in Rails?
I have a enum in my Model that corresponds to column in the database.
5 Answers
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C++ Double Address Operator? (&&)
I'm reading STL source code and I have no idea what && address operator is supposed to do. Here is a code example from stl_vector.h :
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Is there a way to use two CSS3 box shadows on one element?
I'm trying to replicate a button style in a Photoshop mock-up that has two shadows on it. The first shadow is an inner lighter box shadow (2px), and the second is a drop shadow outside the button (5px) itself.
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Why does PostgreSQL perform sequential scan on indexed column?
Very simple example - one table, one index, one query:
4 Answers
4
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How can I specify a local gem in my Gemfile?
I'd like Bundler to load a local gem. Is there an option for that? Or do I have to move the gem folder into the .bundle directory?
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How to concatenate two IEnumerable into a new IEnumerable?
I have two instances of IEnumerable<T> (with the same T ). I want a new instance of IEnumerable<T> which is the concatenation of both.
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How can I suppress column header output for a single SQL statement?
I'm executing some SQL statements in batch (using the mysql command-line binary). I want one of my several SELECT statements to not print the column headers, just the selected records. Is this possible?
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