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What is meant by Ems? (Android TextView)

What is meant by Ems (related to a TextView)? For example in 6 Answers 6 ...
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Grep characters before and after match?

...y available solution. The -E version (listed below) is a better solution. What is -P? Read on ... -P, --perl-regexp Interpret PATTERN as a Perl regular expression (PCRE, see below). This is highly experimental and grep -P may warn of unimplemented features. – Xofo ...
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Why shouldn't Java enum literals be able to have generic type parameters?

...EP-301 Enhanced Enums. The example given in the JEP is, which is precisely what I was looking for: enum Argument<X> { // declares generic enum STRING<String>(String.class), INTEGER<Integer>(Integer.class), ... ; Class<X> clazz; Argument(Class<X> clazz) {...
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How to edit multi-gigabyte text files? Vim doesn't work =( [closed]

...ncel this enumeration (and the syntax highlighting), and it will only load what's needed to display on your screen. Readonly: Vim will likely start read-only when the file is too big for it to make a . file copy to perform the edits on. I had to w! to save the file, and that's when it took the most...
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What does the WPF star do (Width=“100*”)

What does exactly the star in size terms in WPF mean? 4 Answers 4 ...
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Does C# have extension properties?

...ll come from the community. Update: August 2016 As dotnet team published what's new in C# 7.0 and from a comment of Mads Torgensen: Extension properties: we had a (brilliant!) intern implement them over the summer as an experiment, along with other kinds of extension members. We remain int...
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Quick way to list all files in Amazon S3 bucket?

I have an amazon s3 bucket that has tens of thousands of filenames in it. What's the easiest way to get a text file that lists all the filenames in the bucket? ...
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What events does an fire when it's value is changed?

Just wondering whether anyone knows what events an HTML5 <input type="number" /> element fires when its up / down arrows are clicked: ...
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Handlebars/Mustache - Is there a built in way to loop through the properties of an object?

...ples above -- with {{#each this}}. Your choice of terms is also confusing (what makes one object "top level" and another not? what are "pre-defined" keys exactly? etc), so you might want to revisit these concepts. – Jon Feb 11 '14 at 9:42 ...
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initialize a numpy array

...e way to initialize a numpy array of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop, I can do: ...