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How to flush output of print function?
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On Python 3, print can take an optional flush argument
print("Hello world!", flush=True)
On Python 2 you'll have to do
import sys
sys.stdout.flush()
after calling print. By default, print prints to sys.stdout (see the documentation for more about file objects).
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Specifying colClasses in the read.csv
... options in the read.csv function in R. In my data, the first column "time" is basically a character vector while the rest of the columns are numeric.
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Java: Multiple class declarations in one file
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My suggested name for this technique (including multiple top-level classes in a single source file) would be "mess". Seriously, I don't think it's a good idea - I'd use a nested type in this situation instead. Then it's still easy to predic...
Implementing Comments and Likes in database
...ill be allowed to mark an entity as liked (like in FB), tag it and comment .
7 Answers
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java.nio.file.Path for a classpath resource
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This one works for me:
return Paths.get(ClassLoader.getSystemResource(resourceName).toURI());
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Are there any naming convention guidelines for REST APIs? [closed]
...ventions within the API (eg: URL endpoint path components, querystring parameters)? Are camel caps the norm, or underscores? others?
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What is the difference between class and instance methods?
What's the difference between a class method and an instance method?
18 Answers
18
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Update value of a nested dictionary of varying depth
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@FM's answer has the right general idea, i.e. a recursive solution, but somewhat peculiar coding and at least one bug. I'd recommend, instead:
Python 2:
import collections
def update(d, u):
for k, v in u.iteritems():
if isinstance(v, collections.Mapping):
d[k] = update(d...
Why should I learn Lisp? [closed]
...ould learn Lisp and there are plenty of good resources out there to help me do it.
29 Answers
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Entity Framework - Add Navigation Property Manually
I generated an Entity Framework Model (4.0) from my database. I did not design the database and do not have any control over the schema, but there are a few tables that do not have foreign key constraints defined, but there is an implicit relationship defined.
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