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What's the $unwind operator in MongoDB?
This is my first day with MongoDB so please go easy with me :)
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Duplicate symbols for architecture x86_64 under Xcode
I now have the same question with above title but have not found the right answer yet. I got the error:
51 Answers
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How to use permission_required decorators on django class-based views
I'm having a bit of trouble understanding how the new CBVs work. My question is this, I need to require login in all the views, and in some of them, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how ...
Finding a branch point with Git?
I have a repository with branches master and A and lots of merge activity between the two. How can I find the commit in my repository when branch A was created based on master?
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How to remove from a map while iterating it?
How do I remove from a map while iterating it? like:
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A non well formed numeric value encountered
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edited Mar 12 '18 at 19:44
AbraCadaver
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warning: implicit declaration of function
... /* ... */
}
You need to declare your function before main, like this, either directly or in a header:
int fun(int x, char *p);
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How does Trello access the user's clipboard?
...'t actually "access the user's clipboard", instead we help the user out a bit by selecting something useful when they press Ctrl+C.
Sounds like you've figured it out; we take advantage of the fact that when you want to hit Ctrl+C, you have to hit the Ctrl key first. When the Ctrl key is pressed, w...
How can I link to a specific glibc version?
When I compile something on my Ubuntu Lucid 10.04 PC it gets linked against glibc. Lucid uses 2.11 of glibc. When I run this binary on another PC with an older glibc, the command fails saying there's no glibc 2.11...
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Get IP address of visitors using Flask for Python
I'm making a website where users can log on and download files, using the Flask micro-framework (based on Werkzeug ) which uses Python (2.6 in my case).
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