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Last non-empty cell in a column
...blank cells, i.e., it will return the last non-blank cell.
It needs to be array-entered, meaning that you press Ctrl-Shift-Enter after you type or paste it in. The below is for column A:
=INDEX(A:A,MAX((A:A<>"")*(ROW(A:A))))
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How do I search within an array of hashes by hash values in ruby?
I have an array of hashes, @fathers.
4 Answers
4
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What's the $unwind operator in MongoDB?
...this is bad" }
],
other : { foo : 5 }
}
Notice how tags is actually an array of 3 items, in this case being "fun", "good" and "fun".
What $unwind does is allow you to peel off a document for each element and returns that resulting document.
To think of this in a classical approach, it would be ...
Is PHP's count() function O(1) or O(n) for arrays?
Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
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Check if $_POST exists
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The proper way of checking if array key exists is function array_key_exists()
The difference is that when you have $_POST['variable'] = null it means that key exists and was send but value was null
The other option is isset() which which will check if ...
How do I split a string on a delimiter in Bash?
...the internal field separator (IFS) variable, and then let it parse into an array. When this happens in a command, then the assignment to IFS only takes place to that single command's environment (to read ). It then parses the input according to the IFS variable value into an array, which we can then...
Coalesce function for PHP?
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Does not work as expected for arrays. For example when trying to check if an undefined array element is falsey will result in an error. $input['properties']['range_low'] ?: '?'
– Keyo
Jul 12 '11 at 23:28
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Convert a byte array to integer in Java and vice versa
I want to store some data into byte arrays in Java. Basically just numbers which can take up to 2 Bytes per number.
8 Answe...
How to get value at a specific index of array In JavaScript?
I have an array and simply want to get the element at index 1.
5 Answers
5
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Break statement in javascript array map method [duplicate]
Is there a way so that I can break out of array map method after my condition is met ? I tried the following which throws "Illegal Break Statement" Error. This is some random example I came up with.
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