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What is the Ruby (spaceship) operator?

... Ah I see now, if sorting on > 2 columns then the powers of 2 is required. Thanks for helping to correct this. Sorry world if your 3 or more columns sorting turned out wrong. – lilole Sep 26 '1...
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Rails 3.1 and Image Assets

... In rails 4 you can now use a css and sass helper image-url: div.logo {background-image: image-url("logo.png");} If your background images aren't showing up consider looking at how you're referencing them in your stylesheets. ...
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Converting pixels to dp

...tan is saying: this is dangerous and you shouldn't be using it, especially now when device form factors are becoming so complex. – Saket Aug 5 '19 at 17:50 add a comment ...
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Give examples of functions which demonstrate covariance and contravariance in the cases of both over

...t = aList; List<? super String> contravariantList = aList; You can now access all methods of covariantList that doesn't take a generic parameter (as it must be something "extends Object"), but getters will work fine (as the returned object will always be of type "Object") The opposite is tr...
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Is it possible to add dynamically named properties to JavaScript object?

... @thedz: data.PropertyD needs to know the property name, which isn't dynamic enough. – Georg Schölly Jul 26 '09 at 9:54 7 ...
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How can I view MSIL / CIL generated by C# compiler? Why is it called assembly?

... Seems to be broken now. – Luke Maurer Jan 28 at 20:49 @nawfal ...
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How do I convert a numpy array to (and display) an image?

...nting out my error. I should have created an array of shape (h,w,3). (It's now fixed, above.) The length of the first axis can be thought of as the number of rows in the array, and the length of the second axis, the number of columns. So (h, w) corresponds to an array of "height" h and "width" w. Im...
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How to check if element is visible after scrolling?

...them are only visible if you scroll down the page. Is there any way I can know if an element is now in the visible part of the page? ...
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Memcached vs. Redis? [closed]

...stem around redis is much larger. The number of large scale deployments is now likely greater than for memcached. The Redis Superset Redis is more than a cache. It is an in-memory data structure server. Below you will find a quick overview of things Redis can do beyond being a simple key/value cache...
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Ternary Operators in JavaScript Without an “Else”

...ore than one statement in the future: if(condition) { x = true; } Edit: Now that you mention the actual code in which your question applies to: if(!defaults.slideshowWidth) { defaults.slideshowWidth = obj.find('img').width()+'px'; } ...