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How can I put strings in an array, split by new line?
...e breaks in my database. I want to convert that string into an array, and for every new line, jump one index place in the array.
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Difference between WAIT and BLOCKED thread states
... waiting state, it will need to wait till some other thread calls notify() or notifyAll() on the object.
Once this thread is notified, it will not be runnable. It might be that other threads are also notified (using notifyAll()) or the first thread has not finished his work, so it is still blocked ...
MongoDB/NoSQL: Keeping Document Change History
...rly common requirement in database applications is to track changes to one or more specific entities in a database. I've heard this called row versioning, a log table or a history table (I'm sure there are other names for it). There are a number of ways to approach it in an RDBMS--you can write al...
Good examples of Not a Functor/Functor/Applicative/Monad?
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A type constructor which is not a Functor:
newtype T a = T (a -> Int)
You can make a contravariant functor out of it, but not a (covariant) functor. Try writing fmap and you'll fail. Note that the contravariant functor version is rev...
How can I tell AngularJS to “refresh”
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You can use both $scope or scope, it's just an notation difference but it results in the same.
– user1226868
Feb 7 '15 at 17:00
4...
How does generic lambda work in C++14?
How does generic lambda work ( auto keyword as an argument type) in C++14 standard?
3 Answers
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python: Change the scripts working directory to the script's own directory
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This will change your current working directory to so that opening relative paths will work:
import os
os.chdir("/home/udi/foo")
However, you asked how to change into whatever directory your Python script is located, even if you don't know what director...
Change a branch name in a Git repo
...want to rename:
git branch -m newname
This is documented in the manual for git-branch, which you can view using
man git-branch
or
git help branch
Specifically, the command is
git branch (-m | -M) [<oldbranch>] <newbranch>
where the parameters are:
<oldbranch>
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Set encoding and fileencoding to utf-8 in Vim
... by @Dennis, you can set them both in your ~/.vimrc if you always want to work in utf-8.
More details
From the wiki of VIM about working with unicode
"encoding sets how vim shall represent characters internally. Utf-8 is necessary for most flavors of Unicode."
"fileencoding sets the encoding for...
Background color not showing in print preview
... trying to print a page. In that page I have given a table a background color.
When I view the print preview in chrome its not taking on the background color property...
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