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Ant task to run an Ant target only if a file exists?

... Available is a non so obvious name for what it does. I got further confused by the fact that google shows people writing their own tags – Mario Ortegón Feb 6 '09 at 19:42 ...
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How to load images dynamically (or lazily) when users scrolls them into view

...en user scrolls down the page enough to bring them inside the visible viewport region ( upon view source, the page shows X number of <img> tags but they are not fetched from the server straight away ). What is this technique called, how does it work and in how many browsers does it work. And i...
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prototype based vs. class based inheritance

...meone (not you) trying to make their idea sound like The Best. All object oriented languages need to be able to deal with several concepts: encapsulation of data along with associated operations on the data, variously known as data members and member functions, or as data and methods, among other...
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Java array reflection: isArray vs. instanceof

Is there a preference or behavior difference between using: 8 Answers 8 ...
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What's the valid way to include an image with no src?

...age that I will dynamically populate with a src later with javascript but for ease I want the image tag to exist at pageload but just not display anything. I know <img src='' /> is invalid so what's the best way to do this? ...
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How do I import other TypeScript files?

When using the TypeScript plugin for vs.net, how do I make one TypeScript file import modules declared in other TypeScript files? ...
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How to get a file or blob from an object URL?

... = await fetch(url).then(r => r.blob()); The url can be an object url or a normal url. share | improve this answer | follow | ...
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Sorting a Python list by two fields

I have the following list created from a sorted csv 7 Answers 7 ...
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How do I check the operating system in Python?

... You can use sys.platform: from sys import platform if platform == "linux" or platform == "linux2": # linux elif platform == "darwin": # OS X elif platform == "win32": # Windows... sys.platform has finer granularity than sys.name. ...
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How to remove item from list in C#?

I have a list stored in resultlist as follows: 8 Answers 8 ...