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What is the meaning of polyfills in HTML5?

What is the meaning of polyfills in HTML5? I saw this word in many sites about HTML5, e.g. HTML5-Cross-Browser-Polyfills. ...
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Android - Emulator in landscape mode, screen does not rotate

When I switch to landscape mode ( NUMPAD 7 or CTRL + F11 ) the emulator rotates the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate ...
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Renaming files in a folder to sequential numbers

..." "$new" let a=a+1 done using the -i flag prevents automatically overwriting existing files. share | improve this answer | follow | ...
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When should I use double instead of decimal?

... I think you've summarised the advantages quite well. You are however missing one point. The decimal type is only more accurate at representing base 10 numbers (e.g. those used in currency/financial calculations). In general, the double type is going to offer at least...
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Using ViewPagerIndicator library with Android Studio and Gradle

... to use Jake Wharton's ViewPagerIndicator library , but I'm unable to get it working with my Gradle project in Android Studio. ...
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How can I preview a merge in git?

I have a git branch (the mainline, for example) and I want to merge in another development branch. Or do I? 11 Answers ...
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How to convert a string into double and vice versa?

I want to convert a string into a double and after doing some math on it, convert it back to a string. 12 Answers ...
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How does `is_base_of` work?

...heck, both versions are viable because Host can be converted to D* and B*. It's a user defined conversion sequence as described by 13.3.3.1.2 from Host<B, D> to D* and B* respectively. For finding conversion functions that can convert the class, the following candidate functions are synthesize...
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Fatal error: Maximum execution time of 30 seconds exceeded

I am downloading a JSON file from an online source and and when it runs through the loop I am getting this error: 16 Answer...
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What's the difference between using “let” and “var”?

I've heard it that it's described as a local variable, but I'm still not quite sure how it behaves differently than the var keyword. ...