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How to add a touch event to a UIView?
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580
In iOS 3.2 and higher, you can use gesture recognizers. For example, this is how you would handl...
How to get a file or blob from an object URL?
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102
Modern solution:
let blob = await fetch(url).then(r => r.blob());
The url can be an objec...
Implement touch using Python?
...touch()
This will create a file.txt at the path.
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Path.touch(mode=0o777, exist_ok=True)
Create a file at this given path. If mode is given, it is combined with the process’ umask value to determine the file mode and access flags. If the file already exists, the function succeeds if e...
Programmatically add custom event in the iPhone Calendar
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Based on Apple Documentation, this has changed a bit as of iOS 6.0.
1) You should request access to the user's calendar via "requestAccessToEntityType:completion:" and execute the event handling inside of a block.
2) You need to commit your event now or pass the "commit" param to your sa...
Remove non-utf8 characters from string
...s from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation)
18 Answ...
How to annotate MYSQL autoincrement field with JPA annotations
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10 Answers
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What's the state of the art in email validation for Rails?
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With Rails 3.0 you can use a email validation without regexp using the Mail gem.
Here is my implementation (packaged as a gem).
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What does an exclamation mark mean in the Swift language?
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answered Jun 3 '14 at 17:04
AshleyAshley
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
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280
I would recommend to debug and find which constraint is "the one you don't want". Suppose you ha...