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How to use Active Support core extensions

... up loading a lot of unneeded stuff with a simple require 'activesupport'. Now we have to do things like require 'active_support/core_ext/object/blank' If you don't care about granularity, you can choose to load bigger chunks. If you want everything in one big gulp use... For 1.9.2: rvm 1.9.2 ...
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c# open a new form then close the current form?

... form2.Closed += (s, args) => this.Close(); May I know how does this statement work? what exactly (s,args) is? – Yash Saraiya Jan 4 '16 at 7:28 1 ...
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How do you obtain a Drawable object from a resource id in android package?

...rinsicBounds(imgResource, 0, 0, 0); and getResources().getDrawable() is now deprecated share | improve this answer | follow | ...
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How to create custom easing function with Core Animation?

... we're done [animation setValues:values]; return(animation); } @end Now usage will look something like this: // define a parametric function KeyframeParametricBlock function = ^double(double time) { return(1.0 - pow((1.0 - time), 2.0)); }; if (layer) { [CATransaction begin]; [CATran...
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Prefer composition over inheritance?

...ember of both classes. Update: Just came back to my answer and it seems now that it is incomplete without a specific mention of Barbara Liskov's Liskov Substitution Principle as a test for 'Should I be inheriting from this type?' ...
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Where should signal handlers live in a django project?

... Thanks for that - good to know. I'm logging all logins using this method (recording IP / user agent), and haven't had any duplicates so far - although that doesn't mean a small change down the line won't cause a problem! – Hugo Ro...
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Static table view outside UITableViewController

... Just awesome! I was looking for this solution for awhile now. – Jason Foglia Jan 2 '18 at 20:49  |  show 1 more comment ...
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How to determine the memory footprint (size) of a variable?

... copied the some important thing which may help you also. As you probably know, Xdebug dropped the memory profiling support since the 2.* version. Please search for the "removed functions" string here: http://www.xdebug.org/updates.php Removed functions Removed support for Memory profiling as that ...
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How to style SVG with external CSS?

...zing your style definitions. Let's say you have 10 SVGs you want to style. Now you need to copy in a reference to the CSS into all the SVGs that need to be affected. And if the file name / location of your CSS changes, you need to update it in 10 SVGs. A CSS class feels a lot more symbolic than a re...
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The maximum value for an int type in Go

...1111 which gives us the maximum value for the unsigned integer (all ones). Now when you are talking about signed integer then first (the most significant) bit is used to store sign therefore to the signed int maximum value - we need to shift all bits to the right which gives us ^uint(0) >> 1 =...