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What are bitwise shift (bit-shift) operators and how do they work?
...d together makes 320:
(row * 320) = (row * 256) + (row * 64)
Now we can convert that into left shifts:
(row * 320) = (row << 8) + (row << 6)
For a final result of:
memoryOffset = ((row << 8) + (row << 6)) + column
Now we get the same offset as before, except instead ...
Dynamic instantiation from string name of a class in dynamically imported module?
...ght but I have done the following to get the os.path.join method: getattr(sys.modules["os.path"], "join")
– Javier Novoa C.
Jul 1 '15 at 17:55
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What does Html.HiddenFor do?
...]
public ActionResult Edit(FormCollection collection)
{
ViewModel.ID = Convert.ToInt32(collection["ID"]);
}
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Is there a way to make R beep/play a sound at the end of a script?
...r know when something is finished. Is there a way to invoke a beep (like a system beep) or get R to play a sound or notify growl via some code at the end of my script?
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Can a C++ enum class have methods?
...an have methods (see here for the restrictions!).
I have a sample, how to convert bit mask values (as shown above) to their corresponding bit indices, that can be used along a std::bitset here: BitIndexConverter.hpp
I've found this pretty useful for enhancing readability of some 'flag' decison base...
How to read a file line-by-line into a list?
...list takes up about 13.22% more space than a tuple. Results come from from sys import getsizeof as g; i = [None] * 1000; round((g(list(i)) / g(tuple(i)) - 1) * 100, 2). Creating a tuple takes about 4.17% more time than creating a list (with a 0.16% standard deviation). Results come from running from...
Is Fortran easier to optimize than C for heavy calculations?
...t heavily use c++ for their high performance modeling. Additionally Sandia converted one of their modeling software (LAMMPS) over from fortran to c++ adding in a number of awesome enhancements.
– Zachary Kraus
Sep 9 '15 at 3:46
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Using C# reflection to call a constructor
...ot working" isn't nearly enough information. I've told you how to go about converting it mechanically - another alternative would be to make sure you understand the C# code and then make sure you know the VB syntax for constructing an array. Without wishing to be mean, if that's too much of a challe...
How to print a date in a regular format?
...'We are the 22, Nov 2008'
The advantage of this form is that you can also convert other objects at the same time.
With the introduction of Formatted string literals (since Python 3.6, 2016-12-23) this can be written as
import datetime
f"{datetime.datetime.now():%Y-%m-%d}"
>>> '2017-06-15'
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What techniques can be used to speed up C++ compilation times?
...older. To visualize these traces, you can use the Templight Tools that can convert these to other formats. Follow these instructions to install templight-convert. We usually use the callgrind output. You can also use the GraphViz output if your project is small:
$ templight-convert --format callgrin...