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Why did Rails4 drop support for “assets” group in the Gemfile

...ion) like coffee-rails if you are using coffee templates and the fact that now assets are not precompiled on demand in production anymore. (not precompiled on demand in production) Means that if you have that gems in production environment in 3.2.x and forget to precompile, Rails will do exactly wha...
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Why did my Git repo enter a detached HEAD state?

...eriment without creating a new branch: git switch --detach HEAD~3 HEAD is now at 9fc9555312 Merge branch 'cc/shared-index-permbits' it cannot detached by mistake a remote tracking branch See: C:\Users\vonc\arepo>git checkout origin/master Note: switching to 'origin/master'. You are in 'd...
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Converting strings to floats in a DataFrame

... NOTE: pd.convert_objects has now been deprecated. You should use pd.Series.astype(float) or pd.to_numeric as described in other answers. This is available in 0.11. Forces conversion (or set's to nan) This will work even when astype will fail; its als...
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Colspan all columns

...ggling with this damned colspan issue at different times for quite a while now – hndcrftd May 6 '11 at 17:56 30 ...
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How to do Base64 encoding in node.js?

...String('ascii')); After this answer was written, it has been updated and now matches this. share | improve this answer | follow | ...
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How can I determine whether a 2D Point is within a Polygon?

...s after all), but macOS for example uses float for everything. macOS only knows points and a point can translate to one pixel, but depending on monitor resolution, it might translate to something else. On retina screens half a point (0.5/0.5) is pixel. Still, I never noticed that macOS UIs are signi...
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Firebug-like debugger for Google Chrome

...specific issues. If I want deeper introspection, I can do it with Firebug. Now with IE8's new developer mode, all the major browsers have builtin dev modes. Good times. – guns Apr 27 '09 at 9:32 ...
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Why should hash functions use a prime number modulus?

...or likely cases, since collisions reduce the efficiency of the hashtable. Now, suppose someone puts a whole bunch of values into a hashtable that have some relationship between the items, like all having the same first character. This is a fairly predictable usage pattern, I'd say, so we don't want...
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How do search engines deal with AngularJS applications?

... Update May 2014 Google crawlers now executes javascript - you can use the Google Webmaster Tools to better understand how your sites are rendered by Google. Original answer If you want to optimize your app for search engines there is unfortunately no way...
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Checking if an Android application is running in the background

... activity state is briefly locked down to do the switch) that we actually know for sure what the next thing will be. And the implementation and global behavior here is not guaranteed to remain the same in the future. I wish I had read this before I posted an answer on the SO, but hopefully it...