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What is the meaning of polyfills in HTML5?

... A polyfill is a browser fallback, made in JavaScript, that allows functionality you expect to work in modern browsers to work in older browsers, e.g., to support canvas (an HTML5 feature) in older browsers. It's sort of an HTML5 technique, since it ...
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How can I maximize a split window?

... a reputable source, I'm going to hold that as your personal preference, really. I'm usually not using them, but I've recently found I'm using them for thigns like this (maximizing a sidebuffer temporarily; doing power stuff like having multiple disjoint side-by-side diffs in a single vim session). ...
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How does grep run so fast?

I am really amazed by the functionality of GREP in shell, earlier I used to use substring method in java but now I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though) ...
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Should I use .done() and .fail() for new jQuery AJAX code instead of success and error

...recation Notice: The jqXHR.success(), jqXHR.error(), and jqXHR.complete() callbacks will be deprecated in jQuery 1.8. To prepare your code for their eventual removal, use jqXHR.done(), jqXHR.fail(), and jqXHR.always() instead. If you are using the callback-manipulation function (using method-chaini...
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What are metaclasses in Python?

...ass is an instance of a metaclass. While in Python you can use arbitrary callables for metaclasses (like Jerub shows), the better approach is to make it an actual class itself. type is the usual metaclass in Python. type is itself a class, and it is its own type. You won't be able to recreate somet...
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Can Flask have optional URL parameters?

... You can try pip install flask_optional_routes. I created a pip for the functionality you are requesting b/c I needed it as well. The code is located at: github.com/sudouser2010/flask_optional_routes. – sudouser2010 ...
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How can I set the max-width of a table cell using percentages?

... Actually max-width works in Safari and Chrome now. I am not sure how long it has been supported for. – Jay Aug 30 '19 at 6:36 ...
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Making interface implementations async

I’m currently trying to make my application using some Async methods. All my IO is done through explicit implementations of an interface and I am a bit confused about how to make the operations async. ...
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Changing the size of a column referenced by a schema-bound view in SQL Server

...INDING defined. is there any easy way of bypassing the constrain or do i really need to remove the views to get it working? – Staelen Aug 24 '09 at 5:26 1 ...
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Draw radius around a point in Google map

..."). And if you have a flat coordinate system you can draw 2D objects on it all you want. In other words you can draw a scaled vector circle on a google map. The catch is, google maps doesn't give it to you out of the box (they want to stay as close to GIS values as is pragmatically possible). They ...