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Is there a way to access an iteration-counter in Java's for-each loop?
...e same object for each iteration. The reason is that all these objects are allocated in eden space only and never life long enough to reach the heap. So allocating them is as fast as e.g. allocating local variables.
– akuhn
Jun 12 '13 at 21:55
...
How do I convert an enum to a list in C#? [duplicate]
...verytime you call GetValues again with the same enum type, it will have to allocate a new array and copy the values into the new array. That's because arrays might be written to (modified) by the "consumer" of the method, so they have to make a new array to be sure the values are unchanged. .NET 1.0...
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...
What is Haskell used for in the real world? [closed]
...h
closures), strong typing (TypeInference), GarbageCollection, storage
allocation, whether to use boxed (pointer-to-value) or unboxed (value
directly) representation...
Safe multithreading! Immutable data structures are not subject to data race conditions, and consequently don't have to be p...
Change old commit message on Git
...d line with the following message:
$ git rebase -i HEAD~3
Stopped at 7482e0d... updated the gemspec to hopefully work better
You can amend the commit now, with
It does not mean:
type again git rebase -i HEAD~3
Try to not typing git rebase -i HEAD~3 when exiting the editor, and it should work f...
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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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
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Looping through the content of a file in Bash
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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 to Deal with Temporary NSManagedObject instances?
...ectContext:myMOC];
NSManagedObject *unassociatedObject = [[NSManagedObject alloc] initWithEntity:entity insertIntoManagedObjectContext:nil];
Then when you want to save it:
[myMOC insertObject:unassociatedObject];
NSError *error = nil;
if (![myMoc save:&error]) {
//Respond to the error
}
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How to get the source directory of a Bash script from within the script itself?
...-sa/3.0/
18eedfe1c99df68dc94d4a94712a71aaa8e1e9e36cacf421b9463dd2bbaa02906d0d6656
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