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How to save a plot as image on the disk?
...a simple linear regression using R.
I would like to save that image as PNG or JPEG, is it possible to do it automatically? (via code)
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How do I pass values to the constructor on my wcf service?
I would like to pass values into the constructor on the class that implements my service.
8 Answers
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Can I run multiple programs in a Docker container?
...top. My application is simply a flask web application and mongo database. Normally I would install both in a VM and, forward a host port to the guest web app. I'd like to give Docker a try but I'm not sure how I'm meant to use more than one program. The documentations says there can only be only ENT...
Why must we define both == and != in C#?
The C# compiler requires that whenever a custom type defines operator == , it must also define != (see here ).
13 Answe...
How to sort a HashMap in Java [duplicate]
How are we able to sort a HashMap<key, ArrayList> ?
17 Answers
17
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Chained method calls indentation style in Python [duplicate]
...e where a line continuation character is preferred to open parentheses.
ShortName.objects.distinct() \
.filter().values() # looks better
The need for this style becomes more obvious as method names get longer and as methods start taking arguments:
return some_collection.get_objects...
Convert date to datetime in Python
Is there a built-in method for converting a date to a datetime in Python, for example getting the datetime for the midnight of the given date? The opposite conversion is easy: datetime has a .date() method.
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Don't reload application when orientation changes
...uld not select another random image.
How can I (simply) make this behavior stop?
16 Answers
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git error: failed to push some refs to remote
For some reason, I can't push now, whereas I could do it yesterday.
Maybe I messed up with configs or something.
39 Answers...
Is there any advantage of using map over unordered_map in case of trivial keys?
A recent talk about unordered_map in C++ made me realize that I should use unordered_map for most cases where I used map before, because of the efficiency of lookup ( amortized O(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got...