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What is the advantage of using forwarding references in range-based for loops?
...dvantage I can see is when the sequence iterator returns a proxy reference and you need to operate on that reference in a non-const way. For example consider:
#include <vector>
int main()
{
std::vector<bool> v(10);
for (auto& e : v)
e = true;
}
This doesn't compi...
Save file to specific folder with curl command
In a shell script, I want to download a file from some URL and save it to a specific folder. What is the specific CLI flag I should use to download files to a specific folder with the curl command, or how else do I get that result?
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Hidden features of Python [closed]
...ue
In case you're thinking it's doing 1 < x, which comes out as True, and then comparing True < 10, which is also True, then no, that's really not what happens (see the last example.) It's really translating into 1 < x and x < 10, and x < 10 and 10 < x * 10 and x*10 < 100, but...
What's an Aggregate Root?
... concept of an Aggregate Root keeps coming up. When searching both the web and Stack Overflow for help with what an aggregate root is, I keep finding discussions about them and dead links to pages that are supposed to contain base definitions.
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How to create arguments for a Dapper query dynamically
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Note that you can do new DynamicParameters(dictionary) and it will work just fine.
– asgerhallas
Dec 5 '12 at 10:19
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How do you install ssh-copy-id on a Mac?
...d out my brew library was a bit overdue for a refresh. Running brew update and then installing again solved the problem.
– LapplandsCohan
Sep 29 '16 at 18:30
add a comment
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Search and replace in Vim across all the project files
I'm looking for the best way to do search-and-replace (with confirmation) across all project files in Vim. By "project files" I mean files in the current directory, some of which do not have to be open.
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codestyle; put javadoc before or after annotation?
... before or after the annotation. What would we want to adopt as a coding standard?
5 Answers
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error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...ing to run mysql without passwords turned on... but whenever I ran the command
44 Answers
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How to print out the contents of a vector?
... a supplement to the above iterator solution. If you are using the C++11 standard (or later), then you can use the auto keyword to help the readability:
for (auto i = path.begin(); i != path.end(); ++i)
std::cout << *i << ' ';
But the type of i will be non-const (i.e., the compiler ...