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Difference between string and char[] types in C++
...m that I would always use std::string.
In terms of efficiency of course a raw buffer of unmanaged memory will almost always be faster for lots of things, but take in account comparing strings for example, std::string has always the size to check it first, while with char[] you need to compare chara...
How do I create test and train samples from one dataframe with pandas?
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Better solution. scikit learn doesn't take raw data frames, rather it expects arrays.
– Cybernetic
Nov 8 '19 at 20:21
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How does Facebook Sharer select Images and other metadata when sharing my URL?
...t Facebook accepting the changes?
Once a url has been shared, Facebook's crawler, which has a user agent of facebookexternalhit/1.1 (+https://www.facebook.com/externalhit_uatext.php), will access your page and cache the meta information. To force Facebook servers to clear the cache, use the Facebo...
Convert ArrayList to String[] array [duplicate]
...information of what the <T> is at runtime. All it knows is that the raw element type is Object. By contrast, in the other case, the array parameter gives the base type of the array. (If the supplied array is big enough to hold the list elements, it is used. Otherwise a new array of the sam...
Class with single method — best approach?
...s standardised. There's nothing worse than looking over a business layer sprawling with different implementation methods.
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Why prefer two's complement over sign-and-magnitude for signed numbers?
... signed or unsigned integer or a double or a string or something else. The raw data is whatever type you choose to interpret it as.
– Welbog
Jul 2 '15 at 19:23
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Why does std::getline() skip input after a formatted extraction?
...to true by this function is because the point of std::getline() is to read raw, unformatted characters into a std::basic_string<charT> object.
The Solution:
There's no way to stop this behavior of std::getline(). What you'll have to do is discard the new line yourself before std::getline() ru...
What is the runtime performance cost of a Docker container?
...on-CPU hardware); there's significant overhead around memory paging... but raw floating-point? I'd want to look at what was actually going on there -- perhaps excessive context switches.
– Charles Duffy
Jan 8 '15 at 3:38
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Java - get pixel array from image
...fferByte) image.getRaster().getDataBuffer()).getData();
call returns the raw Pixel Array data in such a fashion that each byte contains more than one pixel.
So when you use a Monochrome Bitmap image to create your BufferedImage object then this is the algorithm you want to use:
/**
* This retur...
C# Interfaces. Implicit implementation versus Explicit implementation
...s where you would want to just call Eat() on a Cat when you are using the 'raw' object rather than through the IEatable interface, no?
– LegendLength
May 6 '09 at 12:50
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