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Smart pointers: who owns the object? [closed]
... deallocation when the counter reaches zero
weak_ptr - same as above, but it's a 'slave' for a shared_ptr, can't deallocate
auto_ptr - when the creation and deallocation happen inside the same function, or when the object has to be considered one-owner-only ever. When you assign one pointer to ano...
Bash command to sum a column of numbers [duplicate]
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paste -sd+ infile | bc
Using stdin:
<cmd> | paste -sd+ | bc
Edit:
With some paste implementations you need to be more explicit when reading from stdin:
<cmd> | paste -sd+ - | bc
share
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Add line break to 'git commit -m' from the command line
I am using Git from the command line and am trying to add a line break to the commit message (using git commit -m "" ) without going into Vim.
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Can't install PIL after Mac OS X 10.9
...follow
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edited Dec 9 '13 at 19:30
answered Oct 23 '13 at 15:05
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Django class-based view: How do I pass additional parameters to the as_view method?
...for the base class function where this is set .
– binithb
Nov 23 '15 at 16:57
In github.com/django/django/blob/master/...
How to make an introduction page with Doxygen
I made documentation for my SDK, using Doxygen. It contains the list of files, namespaces, classes, types etc. - everything that I placed as Doxygen comments in the code. Now I want to write some general information about SDK (kind of introduction), which is not related directly to any code element....
ssh: connect to host github.com port 22: Connection timed out
I am under a proxy and I am pushing in to git successfully for quite a while.
Now I am not able to push into git all of a sudden.
I have set the RSA key and the proxy and double checked them, with no avail and git is throwing me the error shown in the title of the page.
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ArrayList vs List in C#
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Yes, pretty much. List<T> is a generic class. It supports storing values of a specific type without casting to or from object (which would have incurred boxing/unboxing overhead when T is a value type in the ArrayList case). ArrayList simply stores object references. As ...
Grab a segment of an array in Java without creating a new array on heap
...is worthy of deletion. The answer by @unique72 is correct. Imma let this edit sit for a bit and then I shall delete this answer.)
I don't know of a way to do this directly with arrays without additional heap allocation, but the other answers using a sub-list wrapper have additional allocation fo...
What is the best way to check for Internet connectivity using .NET?
What is the fastest and most efficient way to check for Internet connectivity in .NET?
27 Answers
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