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What is reflection and why is it useful?

What is reflection, and why is it useful? 21 Answers 21 ...
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Open Facebook page from Android app?

from my Android app, I would like to open a link to a Facebook profile in the official Facebook app (if the app is installed, of course). For iPhone, there exists the fb:// URL scheme, but trying the same thing on my Android device throws an ActivityNotFoundException . ...
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How to delete from a text file, all lines that contain a specific string?

... To remove the line and print the output to standard out: sed '/pattern to match/d' ./infile To directly modify the file – does not work with BSD sed: sed -i '/pattern to match/d' ./infile Same, but for BSD sed (Mac OS X and FreeBSD) –...
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Add timestamps to an existing table

...pecified above, Rails will still treat these columns as timestamp columns, and update the values normally. share | improve this answer | follow | ...
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Collection versus List what should you use on your interfaces?

... the question as to why not List<T>, The reasons are future-proofing and API simplicity. Future-proofing List<T> is not designed to be easily extensible by subclassing it; it is designed to be fast for internal implementations. You'll notice the methods on it are not virtual and so can...
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Is it possible to make a Tree View with Angular?

... why not state your source? you wrote a post in that thread, and now you're posting a url here with your own name in it? – Janus Troelsen Sep 23 '12 at 0:56 ...
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What is

I'm having trouble understanding the following syntax: 5 Answers 5 ...
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Convert Iterable to Stream using Java 8 JDK

...er answer than using spliteratorUnknownSize directly, which is both easier and gets a better result. Iterable has a spliterator() method, so you should just use that to get your spliterator. In the worst case, it's the same code (the default implementation uses spliteratorUnknownSize), but in the ...
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AngularJS: Basic example to use authentication in Single Page Application

I am new to AngularJS and gone through their tutorial and got a feel for it. 6 Answers ...
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Can I escape html special chars in javascript?

... Why "'" and not "'" ? – sereda Nov 9 '11 at 13:32 40 ...