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Get the _id of inserted document in Mongo database in NodeJS
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I don't know if this is general or only works in meteor, but when you call collection.insert(object), it returns the id of the inserted object right away.
– vantesllar
Oct 30 '16 at 20:45
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Legality of COW std::string implementation in C++11
... whole point of doing the copying is that such references or iterators are now being obtained, so copying is necessary. But it may still be that C++11 disallows COW implementations.
– Cheers and hth. - Alf
Dec 18 '14 at 3:57
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Why doesn't C# support the return of references?
...t c = ref Max(ref a, ref b);
c += 100;
Console.WriteLine(b); // 556!
I know empirically that it is possible to build a version of C# that supports these features because I have done so. Advanced programmers, particularly people porting unmanaged C++ code, often ask us for more C++-like ability to...
Google Play app description formatting
I've made an Android application that is available on Google Play. Now I want to add some more formatting to my app description (eg. indent, links, lists..). But I cannot find any website where possible formatting is listed. Google Help pages cannot help me either on this subject. There exists a lot...
Custom toast on Android: a simple example
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I also don't know the purpose of the root view (null), but in the official docs is present too, if someone can explain why, would be great! developer.android.com/guide/topics/ui/notifiers/toasts#java
– Nestor Perez
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Creating rounded corners using CSS [closed]
....they're useful for prototyping but add a lot of extra weight to the DOM. Now that I've got mine adjusted the way I want, I plan to convert them to images.
– Ben Regenspan
Dec 4 '09 at 13:59
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When to use “new” and when not to, in C++? [duplicate]
...Some examples of this are:
void foo()
{
Point p = Point(0,0);
} // p is now destroyed.
for (...)
{
Point p = Point(0,0);
} // p is destroyed after each loop
Some people will say that the use of new decides whether your object is on the heap or the stack, but that is only true of variables de...
What's the best solution for OpenID with Django? [closed]
...s is an ancient question with ancient answers. Most of the linked apps are now unmaintained. These days, most people seem to use django-allauth or python-social-auth . I'll leave the original question intact below for posterity's sake.
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Adding gif image in an ImageView in android
...animation is there. It's appearing just as a still image. I would like to know how can i show it as a gif image.
18 Answers...
Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
I have been googling for about 90 minutes now and still don't have an answer to this. Where do I set default_url_options ? I've already set it for config.action_mailer.default_url_options to solve this same bug elsewhere, but now I'm getting this error when trying to use a URL helper inside an ...