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what does the __file__ variable mean/do?
...le__), '..')
# A is the parent directory of the directory where program resides.
B = os.path.dirname(os.path.realpath(__file__))
# B is the canonicalised (?) directory where the program resides.
C = os.path.abspath(os.path.dirname(__file__))
# C is the absolute path of the directory where the prog...
Why are unsigned int's not CLS compliant?
...ort it. In addition, any language
construct that makes it impossible to rapidly verify the type safety
of code was excluded from the CLS so that all CLS-compliant languages
can produce verifiable code if they choose to do so.
Update: I did wonder about this some years back, and whilst I can't see w...
UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
...s been a bit unclear on the type of tasks that should be assigned to viewDidLoad vs. viewWillAppear : in a UIViewController subclass.
...
How to use Greek symbols in ggplot2?
...ere is what you do to obtain greek symbols
Text Labels: Use parse = T inside geom_text or annotate.
Axis Labels: Use expression(alpha) to get greek alpha.
Facet Labels: Use labeller = label_parsed inside facet.
Legend Labels: Use bquote(alpha == .(value)) in legend label.
You can see detailed us...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...= 0 * INF = NaN. INFrsqrt(INF) = INF * 0 = NaN. For this reason, CUDA on NVIDIA GPUs computes approximate single-precision square roots as recip(rsqrt(x)), with the hardware providing both a fast approximation to the reciprocal and the reciprocal square root. Obviously, explicit checks handling the ...
SignalR: Why choose Hub vs. Persistent Connection?
...
From what I see in the Connection and Hubs section it seems that Hubs provide a topic system overlaying the lower-level persistent connections.
From the highly up-voted comment below:
Partially correct. You can get topics or groups in persistent connections as well. The big difference is disp...
What is the difference between JAX-RS and JAX-WS?
...can know how to talk to your service. With REST you will still need to provide some documentation to other users about how the REST service is organized and what data and HTTP commands need to be sent.
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How to declare std::unique_ptr and what is the use of it?
...t> p = make_unique<int>(42);
// Going out of scope...
}
// I did not leak my integer here! The destructor of unique_ptr called delete
Now unique_ptr is a smart pointer that models unique ownership, meaning that at any time in your program there shall be only one (owning) pointer to th...
Django CharField vs TextField
...not being able to use the field in WHERE statements. Just something to consider.
– Rob
Jul 10 '15 at 20:00
4
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Difference between framework and static library in xcode4, and how to call them
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@GoRoS yes I do; in fact I just did some work for a client making their private SDK available using CocoaPods. The trick is to have a public repo with the compiled static library, headers and podspec pointing at this and a private repo with your source. Idea...