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Null or default comparison of generic argument in C#
...ur example since the program exits straight away. However, every box is an allocation. If you deal with anything non-trivial, avoiding unnecessary allocations is always to be recommended. These allocations are unnecessary.
– Marc Gravell♦
Nov 7 '17 at 17:28
...
Showing Travis build status in GitHub repo
...://travis-ci.org/profile/{fill in your own usernam}/profile
Then copy the token and paste it inside the Travis Service Hook page in your Github Repo Settings section.
Type in your username in Travis as well.
Try the test send token button.
You should see payload successfully sent.
If this works...
NSURLRequest setting the HTTP header
...NSMutableURLRequest
NSMutableURLRequest* request = [[[NSMutableURLRequest alloc] initWithURL:url]
autorelease];
[request setValue:VALUE forHTTPHeaderField:@"Field You Want To Set"];
or to add a header:
[request addValue:VALUE forHTTPHeaderField:@"Field You Want T...
Click Event on UIImageView programmatically in ios
...jective-c
UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapDetected)];
singleTap.numberOfTapsRequired = 1;
[preArrowImage setUserInteractionEnabled:YES];
[preArrowImage addGestureRecognizer:singleTap];
-(void)tapDetected{
NSLog(@"si...
How do I determine the size of an object in Python?
...the minimum size of the following objects, and note that sets and dicts preallocate space so empty ones don't grow again until after a set amount (which may vary by implementation of the language):
Python 3:
Empty
Bytes type scaling notes
28 int +4 bytes about every 30 powers of ...
Looping through the content of a file in Bash
...
Using for makes the input tokens/lines subject to shell expansions, which is usually undesirable; try this: for l in $(echo '* b c'); do echo "[$l]"; done - as you'll see, the * - even though originally a quoted literal - expands to the files in the c...
How do I choose a HTTP status code in REST API for “Not Ready Yet, Try Again Later”? [closed]
...D contain an appropriate precondition or postcondition code, such as 'lock-token-submitted' or 'no-conflicting-lock'.
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What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...ray access. There's no control to prove that the browsers are actually pre-allocating the memory (which the specification does not say they must do). If we can assume that array access is constant and the majority of the time will be spent allocating memory in both examples then [] could be prefera...
delete vs delete[] [duplicate]
... corresponds to vector new, i.e. new[].
You must use the matching pair of allocators. E.g. malloc/free, new/delete, new[]/delete[], else you get undefined behavior.
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How to display the default iOS 6 share action sheet with available share options?
... UIActivityViewController *activityController = [[UIActivityViewController alloc] initWithActivityItems:sharingItems applicationActivities:nil];
[self presentViewController:activityController animated:YES completion:nil];
}
Swift
func share(sharingText: String?, sharingImage: UIImage?, sharin...
