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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?

... get one thing out of the way first. The explanation that yield from g is equivalent to for v in g: yield v does not even begin to do justice to what yield from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warrant adding yield from to the lang...
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What is the difference between active and passive FTP?

...h. As per the RFC, this is only mandated for a subset of commands, such as quitting, aborting the current transfer, and getting the status. In active mode, the client establishes the command channel but the server is responsible for establishing the data channel. This can actually be a problem if...
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base64 encoded images in email signatures

... sorts of issues using the embedded images produced by the email system in question (they get sent as attachments generally) and as linked images (requiring permission to display them in the email received). ...
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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be

... There are quite a few projects that have settled on the Generic Graphics Toolkit for this. The GMTL in there is nice - it's quite small, very functional, and been used widely enough to be very reliable. OpenSG, VRJuggler, and other ...
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Trusting all certificates using HttpClient over HTTPS

Recently posted a question regarding the HttpClient over Https ( found here ). I've made some headway, but I've run into new issues. As with my last problem, I can't seem to find an example anywhere that works for me. Basically, I want my client to accept any certificate (because I'm only ever po...
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How do I determine the size of an object in Python?

... * enough to give linear-time amortized behavior over a long * sequence of appends() in the presence of a poorly-performing * system realloc(). * The growth pattern is: 0, 4, 8, 16, 25, 35, 46, 58, 72, 88, ... * Note: new_allocated won't overflow because the largest possibl...
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Optional Parameters with C++ Macros

... Derek Ledbetter for his answer — and with apologies for reviving an old question. Getting an understanding of what it was doing and picking up elsewhere on the ability to preceed the __VA_ARGS__ with ## allowed me to come up with a variation... // The multiple macros that you would need anyway ...
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What's the right OAuth 2.0 flow for a mobile app

.../rfc8252 Consider the following options Implicit Should I use implicit? To quote from Section 8.2 https://tools.ietf.org/html/rfc8252#section-8.2 The OAuth 2.0 implicit grant authorization flow (defined in Section 4.2 of OAuth 2.0 [RFC6749]) generally works with the practice of performing the autho...
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Should CSS always preceed Javascript?

... This is a very interesting question. I've always put my CSS <link href="...">s before my JS <script src="...">s because "I read one time that it's better." So, you're right; it's high time we do some actual research! I set up my own test...
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Is there a difference between “==” and “is”?

...nt to the same object, == if the objects referred to by the variables are equal. >>> a = [1, 2, 3] >>> b = a >>> b is a True >>> b == a True # Make a new copy of list `a` via the slice operator, # and assign it to variable `b` >>> b = a[:] >>&g...