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Python: Get the first character of the first string in a list?

...: "Losing your Loops, Fast Numerical Computing with NumPy" by PyCon 2015: https://youtu.be/EEUXKG97YRw?t=22m22s "NumPy Beginner | SciPy 2016 Tutorial" by Alexandre Chabot LeClerc: https://youtu.be/gtejJ3RCddE?t=1h24m54s sh...
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How do you set your pythonpath in an already-created virtualenv?

...nv_path_extensions.pth Documentation on virtualenvwrapper can be found at http://virtualenvwrapper.readthedocs.org/en/latest/ Specific documentation on this feature can be found at http://virtualenvwrapper.readthedocs.org/en/latest/command_ref.html?highlight=add2virtualenv ...
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Get a list of URLs from a site [closed]

...on but I just thought about running a sitemap generator. First one I found http://www.xml-sitemaps.com has a nice text output. Perfect for my needs. share | improve this answer | ...
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How to split a string at the first `/` (slash) and surround part of it in a ``?

...[0] + "</span></br>" + arr[1]+"/"+arr[2]); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div id="date">23/05/2013</div> Fiddle When you split this string ---> 23/05/2013 on / var myString = "23/05/2013";...
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Hidden Features of C++? [closed]

...an put URIs into C++ source without error. For example: void foo() { http://stackoverflow.com/ int bar = 4; ... } share answered Sep 17 '08 at 1:09 ...
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How to pass arguments to a Button command in Tkinter?

...unction(x,y) button = Tk.Button(mainWin, text='press', command=fce) See: http://infohost.nmt.edu/tcc/help/pubs/tkinter/web/extra-args.html For more buttons you can create a function which returns a function: def fce(myX, myY): def wrapper(x=myX, y=myY): pass pass pass...
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kernel stack and user space stack

... each thread has its own stack, including both user and kernel threads. http://linux.derkeiler.com/Mailing-Lists/Kernel/2004-10/3194.html Why kernel stack is used? So when we are in kernel mode, stack kind of mechanism is necessary for dealing with function calls, local variables similar to us...
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What is the aspnet_client folder for under the IIS structure?

... aspnet_client is a folder for "resources which must be served via HTTP, but are installed on a per-server basis, rather than a per-application basis". Some of the uses of aspnet_client include storing resources (eg. JavaScript, images) for: JavaScript for ASP.NET Web Forms controls when ...
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Checking if a field contains a string

...on, like shown below: db.users.findOne({"username" : /.*son.*/i}); See: http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-RegularExpressions share | improve this answer ...
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How do I use JDK 7 on Mac OSX?

I would like to use the WatchService API as mentioned in this link: http://download.oracle.com/javase/tutorial/essential/io/notification.html ...