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html5 - canvas element - Multiple layers
...y wrong. Depending on use cases using a single DOM canvas and rendering offscreen canvases to that is quicker than stacking canvas in DOM. The common mistake is benchmarking rendering calls, canvas draw calls can be timed, DOM rendering is outside Javascripts context and can not be timed. The result...
How to implement the Android ActionBar back button?
...on of the "wipe"? By default, implementing this back navigation sweeps the screen from right to left, and it looks like it's loading a new screen. However, I want it to wipe from left to right, just like hitting the device own back key.
– stingray_
Sep 6 '18 at...
How do I keep Python print from adding newlines or spaces? [duplicate]
...don't forget to do a sys.stdout.flush() when you're ready to display it on screen, otherwise it will hold it in a buffer and you won't see it. I use this to give visual feedback that a script is still running when it's going through a long while or for loop.
– Nathan Garabedia...
How to get the absolute coordinates of a view
I'm trying to get the absolute screen pixel coordinates of the top left corner of a view. However, all methods I can find such as getLeft() and getRight() don't work as they all seem to be relative to the parent of the view, thus giving me 0 . What is the proper way to do this?
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jQuery: How can i create a simple overlay?
...
An overlay is, simply put, a div that stays fixed on the screen (no matter if you scroll) and has some sort of opacity.
This will be your CSS for cross browser opacity of 0.5:
#overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
backgrou...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
... HTML, CSS and JavaScript). Since the keyboard fills up a huge part of the screen, it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However, I have found no way to detect when or whether the keyboard is shown.
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How do I lock the orientation to portrait mode in a iPhone Web Application?
...portOrMetaTag
This JS API Spec also looks relevant:
https://w3c.github.io/screen-orientation/
I had assumed that because it was possible with the proposed @viewport rule, that it would be possible by setting orientation in the viewport settings in a meta tag, but I have had no success with this th...
How to dismiss keyboard iOS programmatically when pressing return
...oller. I need to dismiss the keyboard with the return and the touch on the screen. I was able to get the screen touch to dismiss, but pressing return is not working.
...
Alternate output format for psql
...ew for Postgresql 9.2; PSQL automatically fits records to the width of the screen. previously you only had expanded mode on or off and had to switch between the modes as necessary.
If the record can fit into the width of the screen; psql uses normal formatting.
If the record can not fit into the ...
Twitter bootstrap 3 two columns full height
...perties which we added) and with ratio 1:3 (Navigation:Content) for medium screen widths and above - (due to bootstrap's default classes: col-md-3 and col-md-9)
NB:
1) In order not to mess up bootstrap's native column classes we add another class like no-float in the markup and only set display:...