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Operation on every pair of element in a list
...product() in the itertools module. It does exactly what you describe.
import itertools
my_list = [1,2,3,4]
for pair in itertools.product(my_list, repeat=2):
foo(*pair)
This is equivalent to:
my_list = [1,2,3,4]
for x in my_list:
for y in my_list:
foo(x, y)
Edit: There are two...
NVIDIA vs AMD: GPGPU performance
I'd like to hear from people with experience of coding for both. Myself, I only have experience with NVIDIA.
10 Answers
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Show pop-ups the most elegant way
I have this AngularJS app. Everything works just fine.
5 Answers
5
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What's the difference between unit, functional, acceptance, and integration tests? [closed]
...an InvalidOperationException). Everything it touches should be done in memory; this means that the test code and the code under test shouldn't:
Call out into (non-trivial) collaborators
Access the network
Hit a database
Use the file system
Spin up a thread
etc.
Any kind of dependency that is ...
How do I convert a String to an InputStream in Java?
...that you want an InputStream that is a stream of bytes that represent your original string encoded as UTF-8.
For versions of Java less than 7, replace StandardCharsets.UTF_8 with "UTF-8".
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Why would I prefer using vector to deque
...
Elements in a deque are not contiguous in memory; vector elements are guaranteed to be. So if you need to interact with a plain C library that needs contiguous arrays, or if you care (a lot) about spatial locality, then you might prefer vector. In addition, since there ...
Npm install failed with “cannot run in wd”
...stall .
So when I try npm install , it says that I need to run it as root or adminisrator:
5 Answers
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Truncate a list to a given number of elements
What method truncates a list--for example to the first 100 elements--discarding the others (without iterating through individual elements)?
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When should one use HTML entities?
This has been confusing me for some time. With the advent of UTF-8 as the de-facto standard in web development I'm not sure in which situations I'm supposed to use the HTML entities and for which ones should I just use the UTF-8 character. For example,
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Can I get a patch-compatible output from git-diff?
I am doing something very simple wrong. I'm trying to prepare an ordinary patch file, so I can reapply some changes:
5 Ans...