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Extracting the last n characters from a ruby string
To get the last n characters from a string, I assumed you could use
8 Answers
8
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How can you undo the last git add?
...hange in git ? Suppose there were a lot of files in the current branch, some staged, some not. At some point, some foolish programmer accidentally executed:
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What's the best online payment processing solution? [closed]
...can't really answer this kind of question with a "I like 'insert provide name here'" type answer because like so many things it is a balance and the reasons for choosing a payment processing solution tend to be complex.
Volume / Value
The most important factor in choosing a secure payment clearance ...
How to run a background task in a servlet based web application?
...ning in my application, but I'm not getting how to do it. My servlet has a method which gives counts of the user from a database on a daily basis as well as the total count of the users from the whole database. So I want to keep the servlet continuously running for that.
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What does the `forall` keyword in Haskell/GHC do?
...cify types for code inside where clauses. It makes the b in val :: b the same one as the b in foob :: forall a b. (b -> b) -> b -> (a -> b) -> Maybe a -> b.
A confusing point: you may hear that when you omit the forall from a type it is actually still implicitly there. (from Norma...
How can I remove the search bar and footer added by the jQuery DataTables plugin?
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As good as @antpaw comment is, and seems to work in most cases, it doesn't work if there is filtering going on for each column, like in this example :datatables.net/release-datatables/extras/FixedColumns/… . Be aware!
– Jan...
Python “SyntaxError: Non-ASCII character '\xe2' in file”
I am writing some python code and I am receiving the error message as in the title, from searching this has to do with the character set.
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Command Prompt - How to add a set path only for that batch file executing?
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Just like any other environment variable, with SET:
SET PATH=%PATH%;c:\whatever\else
If you want to have a little safety check built in first, check to see if the new path exists first:
IF EXIST c:\whatever\else SET PATH=%PATH%;c:\whatever\else
I...
How to set layout_gravity programmatically?
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For some reasons params.gravity = 80 (It should be BOTTOM, by te Docs) is just not working. I got some space betwen the bottom of the View and the Text. Its not so Bottom-aligned...
– Adam Varhegyi
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Detach many subdirectories into a new, separate Git repository
...git reset -q $GIT_COMMIT -- apps/AAA libs/XXX' --prune-empty -- --all
As mentioned by void.pointer in his/her comment, this will remove everything except apps/AAA and libs/XXX from current repository.
Prune empty merge commits
This leaves behind lots of empty merges. These can be removed by anot...