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Handling Dialogs in WPF with MVVM
...alogs is one of the more complex operations. As your view model does not know anything about the view, dialog communication can be interesting. I can expose an ICommand that when the view invokes it, a dialog can appear.
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UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...eird character \x96'.decode('windows-1252')
u'my weird character \u2013'
Now that you have Unicode, you can safely encode into utf-8.
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Checking if array is multidimensional or not?
...lling the creation of the original array. I'll leave the question open for now in case there's a solution that might work more generally though.
– Wilco
Sep 28 '08 at 6:27
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Converting a UNIX Timestamp to Formatted Date String
...eTime();
To create a DateTime object from a specific timestamp (i.e. not now)
$currentTime = DateTime::createFromFormat( 'U', $timestamp );
To get a formatted string you can then call
$formattedString = $currentTime->format( 'c' );
See the manual page here
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Difference between a class and a module
I came from Java, and now I am working more with Ruby.
9 Answers
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Embed YouTube video - Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
...6N9782MzFQ (browser's URL).
You should use the embed endpoint, so the URL now should be something like https://www.youtube.com/embed/P6N9782MzFQ. Use this value as the URL in the src attribute inside the iframe tag in your HTML code, for example:
<iframe width="853" height="480" src="https://ww...
Is it possible to append to innerHTML without destroying descendants' event listeners?
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Now, it is 2012, and jQuery has append and prepend functions that do exactly this, add content without effecting current content. Very useful.
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How to clear jQuery validation error messages?
... First of all, thanks! Had this working great for years, but now I've discovered a performance issue: showErrors does some DOM manipulation and it is called for every element in the form. The browser froze for a couple of seconds when using this code on a form with ~ 30 controls. Th...
Image comparison - fast algorithm
... in computer vision, keypoint matching. This may require some background knowledge to implement, and can be slow.
The second method uses only elementary image processing, and is potentially faster than the first approach, and is straightforward to implement. However, what it gains in understandabi...
Shrink a YouTube video to responsive width
...the same dimensions but for whatever reason the CSS in the accepted answer now letterboxes all our videos. Black bands across top and bottom.
I've tickered around with the sizes and settled on getting rid of the top padding and changing the bottom padding to 56.45%. Seems to look good.
.videowra...