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What is the Comonad typeclass in Haskell?
...though it would indeed be great to know how they were intended. As in: The idea behind them.
– Evi1M4chine
Mar 4 '16 at 21:10
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git working on two branches simultaneously
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That's nice idea. Just clone it twice.
– Serge Vinogradoff
Jul 22 '14 at 23:37
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Simple and fast method to compare images for similarity
...a few methods on top of my head that could possibly help you:
Simple euclidean distance as mentioned by @carlosdc (doesn't work with transformed images and you need a threshold).
(Normalized) Cross Correlation - a simple metrics which you can use for comparison of image areas. It's more robust tha...
How to clone all repos at once from GitHub?
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Any idea how this is done for private repos that you have access to?
– MichaelGofron
Aug 4 '16 at 5:59
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How to add dividers and spaces between items in RecyclerView?
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I wonder if it is a good idea to use Paint instead of creating a drawable? Then I can call canvas.drawLine(startX, startY, stopX, stopY, mPaint) in onDrawOver? Any performance difference?
– Arst
Sep 2 '15 at 23:...
How can I detect if a browser is blocking a popup?
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Update:
Popups exist from really ancient times. The initial idea was to show another content without closing the main window. As of now, there are other ways to do that: JavaScript is able to send requests for server, so popups are rarely used. But sometimes they are still handy.
In ...
How do I iterate through each element in an n-dimensional matrix in MATLAB?
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The idea of a linear index for arrays in matlab is an important one. An array in MATLAB is really just a vector of elements, strung out in memory. MATLAB allows you to use either a row and column index, or a single linear index. ...
Using boolean values in C
... using values other than one as equivalent for true is almost always a bad idea. So in your example, assuming that a and b count up from zero, I'd recommend a > 0 == b > 0 instead. If you insist on taking advantage of the truthiness of arbitrary non-zero values, !!var yields the boolean 0/1 v...
How to run a shell script in OS X by double-clicking?
...mklement0: Yes, I haven't tested it more than a few minutes, but the basic idea is to include on the last line of the .command script: osascript -e 'tell application "Terminal" to close front window' > /dev/null 2>&1 & ... It might not work in every scenario, although the redirect at ...
Using a dispatch_once singleton model in Swift
...wer, however I need to access this (Singleton) from Interface Builder. Any idea on how could I access this tpScopeManagerSharedInstance from within IB?. Thanks.-
– Luis Palacios
Jul 20 '14 at 12:08
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