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Will HTML5 allow web apps to make peer-to-peer HTTP connections?
...stead of intelligent guesses, here is an informed answer:
HTML 5 plans to allow peer to peer connections from javascript, but these connections WILL NOT BE RAW TCP.
The complete spec can be found at http://dev.w3.org/html5/websockets/
jrh
EDIT: with specific reference to peer to peer connections...
Why do enum permissions often have 0, 1, 2, 4 values?
... bit corresponds to some permission (or whatever the enumerated value logically corresponds to). If these were defined as 1, 2, 3, ... you would not be able to use bitwise operators in this fashion and get meaningful results. To delve deeper...
Permissions.Read == 1 == 00000001
Permissions.Writ...
What's the difference between an exclusive lock and a shared lock?
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When the students are reading (shared locks) what is on the board:
They all can read what is on it, together => Multiple shared locks can co-exist.
The teacher waits for them to finish reading before she clears the board to write more => If one or more shared locks already exist, exclusive ...
Default background color of SVG root element
...ways matches the viewport it gets, so it won't fill the entire viewport in all situations.
– Erik Dahlström
Jul 2 '12 at 12:48
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DTO = ViewModel?
...thout any behavior.
ViewModels are the model of the view. ViewModels typically are full or partial data from one or more objects (or DTOs) plus any additional members specific to the view's behavior (methods that can be executed by the view, properties to indicate how toggle view elements etc...). ...
Mercurial error: abort no username supplied
Problem on WindowsXP (likely will happen on all Win installs), first time using Mercurial. I found the answer in an inobvious place so I'm asking/answering the question myself so others don't have to search like I did.
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Daemon Threads Explanation
... them, and when your program quits, any daemon threads are killed automatically.
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Error Code: 1005. Can't create table '…' (errno: 150)
...rror Code: 1005 -- there is a wrong primary key reference in your code
Usually it's due to a referenced foreign key field that does not exist. It might be you have a typo mistake, or check case it should be same, or there's a field-type mismatch. Foreign key-linked fields must match definitions exa...
Does disposing streamreader close the stream?
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Yes, StreamReader, StreamWriter, BinaryReader and BinaryWriter all close/dispose their underlying streams when you call Dispose on them. They don't dispose of the stream if the reader/writer is just garbage collected though - you should always dispose of the reader/writer, preferrably wi...
Including a groovy script in another groovy
...ble quotes with your groovy script).
I do this with a class surprisingly called "Tools.groovy".
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