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Automatic prune with Git fetch or pull
...hout "git fetch --prune", remote-tracking branches for a branch the other side already has removed will stay forever.
Some people want to always run "git fetch --prune".
To accommodate users who want to either prune always or when fetching from a particular remote, add two new configuration v...
Using custom std::set comparator
...the type parameter
set<int64_t, lex_compare> s;
If you want to avoid the functor boilerplate code you can also use a function pointer (assuming lex_compare is a function).
set<int64_t, bool(*)(const int64_t& lhs, const int64_t& rhs)> s(&lex_compare);
...
How can I use redis with Django?
...sting ( eg Are these entities in this domain? )
– David
Jun 24 '13 at 16:00
Can't help wondering why my answer which m...
SQLAlchemy: Creating vs. Reusing a Session
...ain. The links it holds to your mapped objects are weak referencing, provided the objects are clean of pending changes, so even in that regard the Session will empty itself out back to a brand new state when your application loses all references to mapped objects. If you leave it with its default...
How to set custom location for local installation of npm package?
...
When doing this, I am getting error No version provided in package.json
– FooBar
Aug 30 '16 at 20:06
...
Why use argparse rather than optparse?
... one-or-more style arguments
producing more informative usage messages
providing a much simpler interface for custom types and actions
More information is also in PEP 389, which is the vehicle by which argparse made it into the standard library.
...
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...
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 ...