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How to trace the path in a Breadth-First Search?
... return path
# enumerate all adjacent nodes, construct a new path and push it into the queue
for adjacent in graph.get(node, []):
new_path = list(path)
new_path.append(adjacent)
queue.append(new_path)
print bfs(graph, '1', '11')
Another appro...
Link to all Visual Studio $ variables
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Try this MSDN page: Macros for Build Commands and Properties
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Can someone explain __all__ in Python?
I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
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What is “callback hell” and how and why does RX solve it?
...xplains what is a "callback hell" for someone who does not know JavaScript and node.js ?
8 Answers
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ServiceStack vs ASP.Net Web API [closed]
I want to write a new REST style API and have looked at ServiceStack and quite like it. However, I have seen that Microsoft has released the ASP.Net Web API project as part of the new MVC 4 beta. Has anyone looked at the new Web API project? Can you give any pros/cons of each system?
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Git Symlinks in Windows
Our developers use a mix of Windows and Unix based OS's. Therefore, symlinks created on Unix machines become a problem for Windows developers. In windows (msysgit), the symlink is converted to a text file with a path to the file it points to. Instead, I'd like to convert the symlink into an actual W...
Using HTML5/Canvas/JavaScript to take in-browser screenshots
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JavaScript can read the DOM and render a fairly accurate representation of that using canvas. I have been working on a script which converts HTML into a canvas image. Decided today to make an implementation of it into sending feedbacks like you describe...
Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...oblems. Packageless servlets work only in specific Tomcat+JDK combinations and this should never be relied upon.
In case of a "plain" IDE project, the class needs to be placed in its package structure inside "Java Resources" folder and thus not "WebContent", this is for web files such as JSP. Belo...
What is the difference between active and passive FTP?
Can someone tell me what is the difference between active and passive FTP?
Which one is preferable?
5 Answers
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Sending files using POST with HttpURLConnection
Since the Android developers recommend to use the HttpURLConnection class, I was wondering if anyone can provide me with a good example on how to send a bitmap "file" (actually an in-memory stream) via POST to an Apache HTTP server. I'm not interested in cookies or authentication or anything com...