大约有 40,000 项符合查询结果（耗时：0.0502秒） [XML]
The best way to remove duplicate values from NSMutableArray in Objective-C?
...etWithArray:array]; You can then get back an array via array = [orderedSet allObjects]; or just use NSOrderedSets instead of NSArray in the first place.
– Regexident
May 14 '13 at 9:40
...
wget/curl large file from google drive
...
June 2020
pip install gdown
gdown https://drive.google.com/uc?id=file_id
The file_id should look something like 0Bz8a_Dbh9QhbNU3SGlFaDg
You can get it by right clicking on the file and then Get shareable link.
Only work on open access files (Anyone who has a link can View).
Does not work ...
Why is the minimalist, example Haskell quicksort not a “true” quicksort?
... two beautiful aspects:
Divide and conquer: break the problem into two smaller problems.
Partition the elements in-place.
The short Haskell example demonstrates (1), but not (2). How (2) is done may not be obvious if you don't already know the technique!
...
Difference between == and ===
... You can also override isEqual: in Swift: override func isEqual(_ object: Any?) -> Bool {}
– Thomas Elliot
Sep 16 '17 at 1:33
add a comment
|...
Suggestions for debugging print stylesheets?
...; Rendering Settings > Emulate media > print
– allicarn
Jul 7 '16 at 22:22
...
How can I avoid running ActiveRecord callbacks?
I have some models that have after_save callbacks. Usually that's fine, but in some situations, like when creating development data, I want to save the models without having the callbacks run. Is there a simple way to do that? Something akin to...
...
How do I send a POST request as a JSON?
... 6]
}
req = urllib2.Request('http://example.com/api/posts/create')
req.add_header('Content-Type', 'application/json')
response = urllib2.urlopen(req, json.dumps(data))
Python 3.x
https://stackoverflow.com/a/26876308/496445
If you don't specify the header, it will be the default application/x...
querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...w what exactly is the difference between querySelector and querySelectorAll against getElementsByClassName and getElementById ?
...
Does R have an assert statement as in python?
...ndition that will throw an error in your program. Here's an example:
Less_Than_8 = function(x) return(x < 8)
for (i in 1:10)
{
print(i)
stopifnot(Less_Than_8(i))
}
This will print the numbers 1 through 8, then print a message that says
Error: Less_Than_8(i) is not TRUE
It would be ni...
How to create local notifications?
...thorizationOptionAlert)
completionHandler:^(BOOL granted, NSError * _Nullable error) {
if (!error) {
NSLog(@"request authorization succeeded!");
[self showAlert];
}
}];
-(void)showAlert {
UIAlertController *objAlertControlle...