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Return empty cell from formula in Excel
...ean) or error. There is no formula cell value type of "empty" or "blank".
One practice that I have seen followed is to use NA() and ISNA(), but that may or may not really solve your issue since there is a big differrence in the way NA() is treated by other functions (SUM(NA()) is #N/A while SUM(A1)...
How to calculate age (in years) based on Date of Birth and getDate()
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Gotta throw this one out there. If you convert the date using the 112 style (yyyymmdd) to a number you can use a calculation like this...
(yyyyMMdd - yyyyMMdd) / 10000 = difference in full years
declare @as_of datetime, @bday datetime;
sel...
Why does C++ not allow inherited friendship?
...ething along the lines of virtual friend class Foo; puzzles me. Does anyone know the historical background behind this decision? Was friendship really just a limited hack that has since found its way into a few obscure respectable uses?
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Sort array of objects by single key with date value
... If you want to sort based on numeric values from your keys then this ES6 one-liner might be of help. yourArr.sort((a, b) => a.yourNumericOrderingKey > b.yourNumericOrderingKey). In my case I had to sort based on an order key that was coming inside the objects of main array.
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How to save all the variables in the current python session?
... want to save all the variables in my current python environment. It seems one option is to use the 'pickle' module. However, I don't want to do this for 2 reasons:
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PHP's array_map including keys
... the data array is mapped) should instead return an associative array with one row, i.e. return [key => value].
The result of mapping the callable is then simply unpacked and passed to array_merge. As earlier, returning a duplicate key will result in later values winning.
n.b. Alex83690 has note...
Can I change the checkbox size using CSS?
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this seems to be the correct answer as the one marked as answer offers no solutions in many cases (no solution to firefox on xp? no chrome at all?), is outdated and only contains a link and a comment of not much value.
– nurettin
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What happens when a computer program runs?
...able, and may be actually stored at any location in actual memory. It is done this way to protect one process from accessing another process's memory, and to make each process think it's running on a complete system.
Note that the positions of, e.g., the stack and heap may be in a different order ...
Why is the minimalist, example Haskell quicksort not a “true” quicksort?
...ce.
The short Haskell example demonstrates (1), but not (2). How (2) is done may not be obvious if you don't already know the technique!
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How to deal with persistent storage (e.g. databases) in Docker
... my_command
This means that the data-only container pattern must be abandoned in favour of the new volumes.
Actually the volume API is only a better way to achieve what was the data-container pattern.
If you create a container with a -v volume_name:/container/fs/path Docker will automatically cr...