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CSS background image to fit width, height should auto-scale in proportion

... Based on tips from https://developer.mozilla.org/en-US/docs/CSS/background-size I end up with the following recipe that worked for me body { overflow-y: hidden ! important; overflow-x: hidden ! important; background-col...
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What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?

... https://coderwall.com/p/lhkkug/don-t-confuse-ruby-s-throw-statement-with-raise offers an excellent explanation that I doubt I can improve on. To summarize, nicking some code samples from the blog post as I go: raise/rescue ...
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How do I lowercase a string in C?

... standard library, and that's the most straight forward way I can see to implement such a function. So yes, just loop through the string and convert each character to lowercase. Something trivial like this: #include <ctype.h> for(int i = 0; str[i]; i++){ str[i] = tolower(str[i]); } or ...
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How to check version of a CocoaPods framework

...summary of dependencies which are out-of-date. You can find it on Github: https://github.com/citruz/podchecker share | improve this answer | follow | ...
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What does “dereferencing” a pointer mean?

Please include an example with the explanation. 6 Answers 6 ...
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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)

Here is a function I was working on to programmatically lighten or darken a hex color by a specific amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ). ...
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What does f+++++++++ mean in rsync logs?

... I wrote during researching more about rsync. You can look at the script (https://github.com/jmmitchell/movestough) for examples of post-processing the captured output to isolate new files, duplicate files (same name, same contents), file collisions (same name, different contents), as well as the c...
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CSS selector for first element with class

... This is one of the most well-known examples of authors misunderstanding how :first-child works. Introduced in CSS2, the :first-child pseudo-class represents the very first child of its parent. That's it. There's a very common misconception that it picks up whichev...
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What parameters should I use in a Google Maps URL to go to a lat-lon?

...pen Google maps on web, Android or iOS using the same URL string in form: https://www.google.com/maps/search/?api=1&parameters There are several modes that you can use: search, directions, show map and show street view. So you can use something like https://www.google.com/maps/search/?api=1...
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Object comparison in JavaScript [duplicate]

What is the best way to compare objects in JavaScript? 10 Answers 10 ...