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How to capture stdout output from a Python function call?
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Is this thread-safe? What happens if some other thread/call uses print() while do_something runs?
– Derorrist
Nov 17 '15 at 9:42
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facebook: permanent Page Access Token?
...odically with no GUI involved. Then we use a web app to show the data we already have.
15 Answers
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Rails has_and_belongs_to_many migration
...You don't need it that way, it really depends on your queries. The indexes read left to right so the first one will be fastest if you are searching on restaurant_id. The second will help if you are searching on user_id. If you are searching on both, I would think the database would be smart enough t...
Redis key naming conventions?
...b developer so I personally prefer slash (/) for the separator. Slash is already so important separator within URLs which are meant to be Uniform Resource Locators so kind of keys for resources. Why to take a different approach with colon (:)? Does it help anything?
Consider this example:
We have ...
How to assign the output of a command to a Makefile variable
...hinking that you now have the same text that I used. The make command, now reads the spaces and finds that the "all" command is incorrectly formatted. So copy the above text, paste it, and then convert the whitespace before "@echo" to a tab, and this example should, at last, hopefully, work for you....
How do you create nested dict in Python?
... using defaultdict):
a_file = "path/to/a.csv"
b_file = "path/to/b.csv"
# read from file a.csv
with open(a_file) as f:
# skip headers
f.next()
# get first colum as keys
keys = (line.split(',')[0] for line in f)
# create empty dictionary:
d = {}
# read from file b.csv
with open(b_...
What should I do if the current ASP.NET session is null?
In my web application, I do something like this to read the session variables:
5 Answers
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What is a bus error?
...aren't rare; I'm just at Exercise 9 from How to Learn C the Hard Way and already encountered one...
– 11684
Mar 26 '13 at 20:12
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Should I always return IEnumerable instead of IList?
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@Jon FDG recommend using Collection<T> or ReadOnlyCollection<T> as a return value for collection types see my answer.
– Sam Saffron
Jul 3 '09 at 5:51
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What is a bank conflict? (Doing Cuda/OpenCL programming)
I have been reading the programming guide for CUDA and OpenCL, and I cannot figure out what a bank conflict is. They just sort of dive into how to solve the problem without elaborating on the subject itself. Can anybody help me understand it? I have no preference if the help is in the context of CUD...