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How can I convert NSDictionary to NSData and vice versa?
I am sending NSString and UIImage using bluetooth. I decided to store both in a NSDictionary and then convert the dictionary to NSData .
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Zoom in on a point (using scale and translate)
...ge in the zoom. The zoom point is simply the point in the old zoom and the new zoom that you want to remain the same. Which is to say the viewport pre-zoomed and the viewport post-zoomed have the same zoompoint relative to the viewport. Given that we're scaling relative to the origin. You can adjust...
Return HTTP status code 201 in flask
... For me this type of error handling worked (behind IIS) only if InvalidUsage was a child of werkzeug.exceptions.HTTPException, not a general Exception
– Gyula Sámuel Karli
Jun 15 at 9:36
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How to print to stderr in Python?
... situations when I'm trying to debug something. (I'd rather not introduce new syntax errors!) :-)
– Dan H
Nov 20 '14 at 14:49
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Is there an equivalent to e.PageX position for 'touchstart' event as there is for click event?
...ngers, you can find them in other indices of the touches list.
UPDATE FOR NEWER JQUERY:
$(document).on('touchstart', '#box', function(e) {
var xPos = e.originalEvent.touches[0].pageX;
});
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Does Go provide REPL?
...provide a REPL.
However, as already mentioned, Go Playground (this is the new URL) is very handy. The Go Authors are also thinking about adding a feature-rich editor to it.
If you want something local, consider installing hsandbox. Running it simply with hsandbox go will split your terminal screen...
Inline SVG in CSS
... url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10'><linearGradient id='gradient'><stop offset='10%' stop-color='%23F00'/><stop offset='90%' stop-color='%23fcc'/> </linearGradient><rect fill='url(%23gradient)' x='0' y='0' wid...
Why does 'continue' behave like 'break' in a Foreach-Object?
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
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How do I position one image on top of another in HTML?
...orner of the blue square (but not tight in the corner). I am trying to avoid compositing (with ImageMagick and similar) due to performance issues.
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Matplotlib scatterplot; colour as a function of a third variable
...unction () {
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