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Concatenating two std::vectors
...{1,2,3,4,5};
std::vector<int> src{6,7,8,9,10};
// Move elements from src to dest.
// src is left in undefined but safe-to-destruct state.
dest.insert(
dest.end(),
std::make_move_iterator(src.begin()),
std::make_move_iterator(src.end())
);
// Print out concaten...
How can I count the occurrences of a list item?
... 3.x and you want the number of occurrences for each element:
>>> from collections import Counter
>>> z = ['blue', 'red', 'blue', 'yellow', 'blue', 'red']
>>> Counter(z)
Counter({'blue': 3, 'red': 2, 'yellow': 1})
...
Generating random integer from a range
...
Thanks, this seems to be good enough for me from quick tests - its distribution for the -1, 0, 1 is nearly 33:33:33.
– Matěj Zábský
Feb 15 '11 at 20:23
...
Difference between Pragma and Cache-Control headers?
...lementation of the same concept. They both are meant to prevent the client from caching the response. Older clients may not support HTTP/1.1 which is why that header is still in use.
share
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improve...
C++ performance vs. Java/C#
...l, is quite poor when compared with the full scope of the standard library from .NET or Java), so usually, the difference between C++ and .NET or Java JIT won't be visible to most users, and for those binaries that are critical, well, you can still call C++ processing from C# or Java (even if this k...
Best way to get application folder path
...nt.CurrentDirectory
will get you location of where the process got fired from - so for web app running in debug mode from Visual Studio something like "C:\\Program Files (x86)\\IIS Express"
System.IO.Path.GetDirectoryName(
System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase)
w...
git still shows files as modified after adding to .gitignore
...m -r --cached .idea/
When you commit the .idea/ directory will be removed from your git repository and the following commits will ignore the .idea/ directory.
PS: You could use .idea/ instead of .idea/* to ignore a directory. You can find more info about the patterns on the .gitignore man page.
...
Close Window from ViewModel
..., WinForms Form, UWP Application or even a WPF Grid. It decouples the view from the viewmodel.
– Joel
Jun 20 '17 at 12:16
...
How does free know how much to free?
... Why not, and can I use this same technique in my own functions to save me from needing to cart around the extra variable of the array's length?
...
Ruby on Rails Server options [closed]
...orqueBox (JRuby only)
I'll cover them later and describe how they differ from each other and from Mongrel.
WEBrick does the same thing as Mongrel, but the differences are:
WEBrick is not fit for production, unlike everything else that I mentioned before. WEBrick is written entirely in Ruby. Mon...