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Will HTML5 allow web apps to make peer-to-peer HTTP connections?

... of concept in a WebKit build that does HTML5 Peer to Peer Conversational Video. They have demonstrations in their blog of the technology in action, as well as diagrams and explanations on how the technology will work. They are working on getting this stabilized and committed to the WebKit repos...
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How does Access-Control-Allow-Origin header work?

...that'll work, that'll let everybody in. Or if the server always sends the string from the Origin: header... but... for security, if you're afraid of hackers, your server should only allow origins on a shortlist, that are allowed to make those requests. Then, MyCode.js comes from siteA. When it ma...
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When to use cla(), clf() or close() for clearing a plot in matplotlib?

... figures. methods of the Figure class Additionally, the Figure class provides methods for clearing figures. I'll assume in the following that fig is an instance of a Figure: fig.clf() clears the entire figure. This call is equivalent to plt.clf() only if fig is the current figure. fig.clear() is...
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How can you diff two pipelines in Bash?

... In bash you can use subshells, to execute the command pipelines individually, by enclosing the pipeline within parenthesis. You can then prefix these with < to create anonymous named pipes which you can then pass to diff. For example: diff <(foo | bar) <(baz | quux) The anonymous ...
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System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second

...nge the timer once the work has completed, not before. Example: private void Callback( Object state ) { // Long running operation _timer.Change( TIME_INTERVAL_IN_MILLISECONDS, Timeout.Infinite ); } Thus there is no need for locking mechanisms because there is no concurrency. The timer will...
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Specifying and saving a figure with exact size in pixels

...e(figsize=(800/my_dpi, 800/my_dpi), dpi=my_dpi) So you basically just divide the dimensions in inches by your DPI. If you want to save a figure of a specific size, then it is a different matter. Screen DPIs are not so important anymore (unless you ask for a figure that won't fit in the screen). ...
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Change branch base

... master the second branch, but I wanted to do it from the first one. So I did git rebase --onto first-branch second-branch second-branch but I don't get the syntax – Fla Aug 2 '17 at 12:54 ...
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How to swap keys and values in a hash

... Omg. i didnt know you could do |(key,value),out|. That so awesome, I hated that array coming in there instead of key and value. Thanks so much – Iuri G. Jun 13 '14 at 17:03 ...
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What is a message pump?

...call, that would cause horrible re-entrancy problems. A thread should be "idle", not busy executing any code that is mutating the state of the program. Perhaps you can see where that leads: yes, when a program is executing the message loop, it is idle. The actual marshaling takes place through ...
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Does Python support multithreading? Can it speed up execution time?

.... Maybe you or someone could write a new answer that I can accept that provides some specific examples of common modules/codes/operations where threading will be allowed by the GIL to run paralell and thus faster (eg examples of those I/O and network/socket read operations that have been mentioned, ...