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difference between foldLeft and reduceLeft in Scala
...e between reducing and folding
The difference is not the implementation at all, just look at the signatures.
The question doesn't have anything to do with Scala in particular, it's rather about the two concepts of functional programming.
Back to your question:
Here is the signature of foldLeft (c...
Pythonic way to check if a list is sorted or not
...
Actually we are not giving the answer anijhaw is looking for. Here is the one liner:
all(l[i] <= l[i+1] for i in xrange(len(l)-1))
For Python 3:
all(l[i] <= l[i+1] for i in range(len(l)-1))
...
Close iOS Keyboard by touching anywhere using Swift
I have been looking all over for this but I can't seem to find it. I know how to dismiss the keyboard using Objective-C but I have no idea how to do that using Swift ? Does anyone know?
...
git: How to ignore all present untracked files?
Is there a handy way to ignore all untracked files and folders in a git repository?
(I know about the .gitignore .)
8 An...
How to deal with persistent storage (e.g. databases) in Docker
...: "/mnt/sda1/var/lib/docker/volumes/mypthonapp_db-data/_data"
}
]
Some testing:
# Start the containers
docker-compose up -d
# .. input some data into the database
docker-compose run --rm web python manage.py migrate
docker-compose run --rm web python manage.py createsuperuser
...
# Stop and r...
How do I parallelize a simple Python loop?
This is probably a trivial question, but how do I parallelize the following loop in python?
13 Answers
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Using fonts with Rails asset pipeline
...t; /\.(?:svg|eot|woff|ttf)$/
— @jhilden, thoughtbot/bourbon
I've also tested it on rails 4.0.0. Actually the last one line is enough to safely precompile fonts from vendor folder. Took a couple of hours to figure it out. Hope it helped someone.
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Equivalent C++ to Python generator pattern
...to signal termination
In your trivial example, it's easy enough. Conceptually:
struct State { unsigned i, j; };
State make();
void next(State&);
bool isDone(State const&);
Of course, we wrap this as a proper class:
class PairSequence:
// (implicit aliases)
public std::iterat...
How to select label for=“XYZ” in CSS?
... @T.J.Crowder I understand. I was only clarifying the point as I just tested it.
– ilinamorato
Oct 7 '13 at 21:00
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How to convert Hexadecimal #FFFFFF to System.Drawing.Color [duplicate]
...ing it internally. If this is a question of optimization, then performance testing would be required to see how Color.FromArgb() w/ int.Parse() compare to ColorConvertor.ConvertFromString() and ColorTranslator.FromHtml().
– jwatts1980
Apr 2 '15 at 17:47
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