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What APIs are used to draw over other apps (like Facebook's Chat Heads)?

... There's more weird stuff, I think. What about handling input outside the "head" as well as dragability? I think you'd at least need FLAG_NOT_TOUCH_MODAL, as well as some clever logic to update the Window attributes (i.e., move it) wh...
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Background image jumps when address bar hides iOS/Android/Mobile Chrome

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How do I implement basic “Long Polling”?

... for FriendFeed's long-polling code)... but as a simple example, Apache is more than adequate! This script could easily be written in any language (I chose Apache/PHP as they are very common, and I happened to be running them locally) Then, in Javascript, you request the above file (msg_srv.php), a...
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When are C++ macros beneficial? [closed]

...d solution) let's you keep the code close to the iteration site, making it more readable. That said, once lambda's roll out, for_each might once again be the way to go. – GManNickG Aug 18 '09 at 23:50 ...
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Convert a list of characters into a string

...ions, dictionaries, sets, views of various kinds, and so on. So it's a lot more flexible than the array join operation in most languages. – rosuav Aug 16 '16 at 4:08 ...
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Reminder - \r\n or \n\r?

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What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?

... machine, yes, but multi-core machines and multi-threaded programs can use more than 1 CPU second per elapsed second. – Jonathan Leffler Dec 16 '14 at 12:19 ...
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Why is “Set as Startup” option stored in the suo file and not the sln file?

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Can (domain name) subdomains have an underscore “_” in it?

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How to make a element expand or contract to its parent container?

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