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Get the last non-empty cell in a column in Google Sheets
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Slightly simplified answer that also handles blanks, by Doug Bradshaw: =INDEX(FILTER(A1:A,NOT(ISBLANK(A1:A))),COUNTA(A1:A)) (can change starting row A1) full description at: stackoverflow.com/a/27623407/539149
– Zack Morris
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Counting the occurrences / frequency of array elements
In Javascript, I'm trying to take an initial array of number values and count the elements inside it. Ideally, the result would be two new arrays, the first specifying each unique element, and the second containing the number of times each element occurs. However, I'm open to suggestions on the form...
Hadoop “Unable to load native-hadoop library for your platform” warning
...p.so.1.0.0 was actually compiled on 32 bit.
Anyway, it's just a warning, and won't impact Hadoop's functionalities.
Here is the way if you do want to eliminate this warning, download the source code of Hadoop and recompile libhadoop.so.1.0.0 on 64bit system, then replace the 32bit one.
Steps o...
Ruby, remove last N characters from a string?
... 2.5 you can use delete_suffix or delete_suffix! to achieve this in a fast and readable manner.
The docs on the methods are here.
If you know what the suffix is, this is idiomatic (and I'd argue, even more readable than other answers here):
'abc123'.delete_suffix('123') # => "abc"
'abc123'...
AngularJS $resource RESTful example
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$resource was meant to retrieve data from an endpoint, manipulate it and send it back. You've got some of that in there, but you're not really leveraging it for what it was made to do.
It's fine to have custom methods on your resource, but you don't want to miss out on the cool features it co...
Difference between UTF-8 and UTF-16?
Difference between UTF-8 and UTF-16?
Why do we need these?
5 Answers
5
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What is the behavior difference between return-path, reply-to and from?
... delivery
{C}QUIT
{S}221 Service closing transmission channel
Where {C} and {S} represent Client and Server commands, respectively.
The recipient's mail would look like:
Return-Path: coolstuff-you=yourcompany.com@mymailinglist.com
From: <coolstuff@mymailinglist.com>
To: <you@yourcompa...
JavaScript curry: what are the practical applications?
I don’t think I’ve grokked currying yet. I understand what it does, and how to do it. I just can’t think of a situation I would use it.
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How to configure XAMPP to send mail from localhost?
...d mail from localhost.
for example you can configure C:\xampp\php\php.ini and c:\xampp\sendmail\sendmail.ini for gmail to send mail.
in C:\xampp\php\php.ini find extension=php_openssl.dll and remove the semicolon from the beginning of that line to make SSL working for gmail for localhost.
in php....
How to use Git Revert
...tion(+), 1 deletion(-)
In this example the commit history has two commits and the last one is a mistake. Using git revert:
$ git revert HEAD
[master 1db4eeb] Revert "bad update"
1 file changed, 1 insertion(+), 1 deletion(-)
There will be 3 commits in the log:
$ git log --oneline
1db4eeb Revert "b...