大约有 16,380 项符合查询结果（耗时：0.0354秒） [XML]
Optimal number of threads per core
Let's say I have a 4-core CPU, and I want to run some process in the minimum amount of time. The process is ideally parallelizable, so I can run chunks of it on an infinite number of threads and each thread takes the same amount of time.
...
Passing a std::array of unknown size to a function
In C++11, how would I go about writing a function (or method) that takes a std::array of known type but unknown size?
6 Ans...
How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
How do you convert a Unix timestamp (seconds since epoch) to Ruby DateTime?
6 Answers
...
How do I Geocode 20 addresses without receiving an OVER_QUERY_LIMIT response?
...oogle Geocoder v3, if I try to geocode 20 addresses, I get an OVER_QUERY_LIMIT unless I time them to be ~1 second apart, but then it takes 20 seconds before my markers are all placed.
...
How to import existing Git repository into another?
...
Probably the simplest way would be to pull the XXX stuff into a branch in YYY and then merge it into master:
In YYY:
git remote add other /path/to/XXX
git fetch other
git checkout -b ZZZ other/master
mkdir ZZZ
git mv stuff ZZZ/stuff ...
How does this checkbox recaptcha work and how can I use it?
...
This is a beta API for reCAPTCHA. I gather this from the source of their JS API: https://www.google.com/recaptcha/api.js referencing "API2". And I also found this: http://jaswsinc.com/recaptcha-ads/ Apparently they did an invite-only beta of their "no CAPTCHA reCAPTCHA" So......
How do you create a random string that's suitable for a session ID in PostgreSQL?
I'd like to make a random string for use in session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
...
Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
This is what I found during my learning period:
10 Answers
10
...
best way to preserve numpy arrays on disk
I am looking for a fast way to preserve large numpy arrays. I want to save them to the disk in a binary format, then read them back into memory relatively fastly. cPickle is not fast enough, unfortunately.
...
Calculate difference in keys contained in two Python dictionaries
...
Here is a class to find all the possibilities: what was added, what was removed, which key-value pairs are the same, and which key-value pairs are changed.
class DictDiffer(object):
"""
Calculate the difference between two dictionaries as:
(1) items added
(2) items removed
(3) ...