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How do I export UIImage array as a movie?
...has an input of type AVAssetWriterInput, which in turn has a method called appendSampleBuffer: that lets you add individual frames to a video stream. Essentially you’ll have to:
1) Wire the writer:
NSError *error = nil;
AVAssetWriter *videoWriter = [[AVAssetWriter alloc] initWithURL:
[NSURL ...
When to favor ng-if vs. ng-show/ng-hide?
...Elements that are not in the DOM have less performance impact and your web app might appear to be faster when using ng-if compared to ng-show/ng-hide. In my experience, the difference is negligible. Animations are possible when using both ng-show/ng-hide and ng-if, with examples for both in the Angu...
ActionController::InvalidAuthenticityToken
Below is an error, caused by a form in my Rails application:
24 Answers
24
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Check for current Node Version
...{
"check-version" : "node checkVersion.js",
"start-server" : "node app.js"
"start" : "npm run check-version && npm run start-server",
"test": "npm run check-version && echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"dep...
“Invalid signature file” when attempting to run a .jar
...ar as
is and just add it as a dependency in the manifest file for your
application jar file.
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Determining the size of an Android view at runtime
I am trying to apply an animation to a view in my Android app after my activity is created. To do this, I need to determine the current size of the view, and then set up an animation to scale from the current size to the new size. This part must be done at runtime, since the view scales to differe...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...when the CPU is operating in this mode; these actions are not available to application code. An example of such an action might be manipulation of the MMU to gain access to the address space of another process. Normally, user-mode code cannot do this (with good reason), although it can request sha...
How do I copy to the clipboard in JavaScript?
... API documentation on Overriding the copy event.
Allows you to modify what appears on the clipboard from any copy event, can include other formats of data other than plain text.
Not covered here as it doesn't directly answer the question.
General development notes
Don't expect clipboard related ...
Detect iPad Mini in HTML5
Apple's iPad Mini is a smaller clone of the iPad 2 in more ways than we'd want. In JavaScript, the window.navigator object exposes the same values for the Mini and iPad 2. My tests so far to detect the difference have not lead to success.
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How to hide Soft Keyboard when activity starts
...InputMode="stateHidden because when keyboard is visible then minimize the app and resume it the keyboard should be visible.
I tried with
...