大约有 40,700 项符合查询结果（耗时：0.0530秒） [XML]
In Matlab, when is it optimal to use bsxfun?
...
There are three reasons I use bsxfun (documentation, blog link)
bsxfun is faster than repmat (see below)
bsxfun requires less typing
Using bsxfun, like using accumarray, makes me feel good about my understanding of Matlab.
bsxfun will replicate the input arrays along their "singleton dimension...
Difference between System.DateTime.Now and System.DateTime.Today
...
DateTime.Now returns a DateTime value that consists of the local date and time of the computer where the code is running. It has DateTimeKind.Local assigned to its Kind property. It is equivalent to calling any of the following:
DateTime.UtcNow.ToLocalTime()
DateTime...
Measuring function execution time in R
Is there a standardized way in R of measuring execution time of function?
10 Answers
1...
Surrogate vs. natural/business keys [closed]
Here we go again, the old argument still arises...
19 Answers
19
...
What's the best way to put a c-struct in an NSArray?
What's the usual way to store c-structures in an NSArray ? Advantages, disadvantages, memory handling?
11 Answers
...
How to check if a path is absolute path or relative path in cross platform way with Python?
...phabet 'C:' or '\'.
Does python has a standard function to check if a path is absolute or relative?
7 Answers
...
When would you use the different git merge strategies?
...not familiar with resolve, but I've used the others:
Recursive
Recursive is the default for non-fast-forward merges. We're all familiar with that one.
Octopus
I've used octopus when I've had several trees that needed to be merged. You see this in larger projects where many branches have had ind...
HTTP status code for update and delete?
...he server and the "resource was marked for deletion".
PUT
If an existing resource is modified, either the 200 (OK) or 204 (No Content) response codes > SHOULD be sent to indicate successful completion of the request.
DELETE
A successful response SHOULD be 200 (OK) if the respon...
In Docker, what's the difference between a container and an image? [duplicate]
...ot run sbin srv sys tmp usr var
root@48cff2e9be75:/# cat > foo
This is a really important file!!!!
root@48cff2e9be75:/# exit
Don't expect that file to stick around when you exit and restart the image. You're restarting from exactly the same defined state as you started in before, not whe...
Caching a jquery ajax response in javascript/browser
...remove: function (url) {
delete localCache.data[url];
},
exist: function (url) {
return localCache.data.hasOwnProperty(url) && localCache.data[url] !== null;
},
get: function (url) {
console.log('Getting in cache for url' + url);
return localCa...