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How to get a file or blob from an object URL?
I am allowing the user to load images into a page via drag&drop and other methods. When an image is dropped, I'm using URL.createObjectURL to convert to an object URL to display the image. I am not revoking the url, as I do reuse it.
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Remove non-utf8 characters from string
Im having a problem with removing non-utf8 characters from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation)
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How to add a touch event to a UIView?
How do I add a touch event to a UIView?
I try:
15 Answers
15
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How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre
I'm seeing the following exception in crash logs:
22 Answers
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What does an exclamation mark mean in the Swift language?
The Swift Programming Language guide has the following example:
22 Answers
22
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What's the state of the art in email validation for Rails?
What are you using to validate users' email addresses, and why?
13 Answers
13
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Hashing a string with Sha256
I try to hash a string using SHA256, I'm using the following code:
7 Answers
7
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JavaScript isset() equivalent
In PHP you can do if(isset($array['foo'])) { ... } . In JavaScript you often use if(array.foo) { ... } to do the same, but this is not exactly the same statement. The condition will also evaluate to false if array.foo does exists but is false or 0 (and probably other values as well).
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
Below is the error message I receive in the debug area. It runs fine and nothing is wrong except that I receive this error. Would this prevent apple accepting the app? How do I fix it?
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How to get Maven project version to the bash command line
Previous I issued a question on how to change Maven project vesion from command line which lead me to a new issue.
28 Ans...