大约有 16,000 项符合查询结果（耗时：0.0250秒） [XML]
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...parent.child('upvotes_count').set(event.data.numChildren());
});
You can read the Documentation to know how to Get Started with Cloud Functions.
Also, another example of counting posts is here:
https://github.com/firebase/functions-samples/blob/master/child-count/functions/index.js
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Custom HTTP headers : naming conventions
...e is right, and his point solves the problem illustrated in this comment thread. In short, don't try to identify whether a header will "graduate" or not; instead determine if it's a private or public header (application-specific or "generic"/"global"). For private headers, optionally use X- to ensur...
Are there good reasons not to use an ORM? [closed]
...ORM is that the security model is a little less flexible.
EDIT: I just re-read your question and it looks they are copy and pasting the queries into inline sql. This makes the security model the same as an ORM, so there would be absolutely no advantage over this approach over an ORM. If they are ...
Favorite (G)Vim plugins/scripts? [closed]
...ove snipMate. It's simular to snippetsEmu, but has a much better syntax to read (like Textmate).
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What is the opposite of 'parse'? [closed]
...keyboard is getting the better of me. That's supposed to be "parsing" and "reading".
– Kyle Cronin
Sep 29 '08 at 14:37
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Eclipse, where to change the current debug line background?
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GGGGGggggreat! I had to select the text to be able to read it! (I wasn't gonna change my whole color scheme for that damn debugger!) and couldn't find this configuration! thanks!
– Petruza
Feb 8 '12 at 14:57
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How do I find the absolute position of an element using jQuery?
...If the position:fixed element's offset parent is the document, you want to read parseInt($.css('top')) instead.
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What resources exist for Database performance-tuning? [closed]
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Quick PostgreSQL Optimization (query optimizing)
Short read, explains a lot of things well and 'works' a real example which is nice for those of us that learn better that way.
After seeing the wiki link to PostgreSQL, figured I'd edit this post with links for mysql/oracle docs, ...
What's the use of do while(0) when we define a macro? [duplicate]
I'm reading the linux kernel and I found many macros like this:
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C# generics syntax for multiple type parameter constraints [duplicate]
... Search for "Constraining Multiple Parameters" if you don't want to read it all.
– RichardOD
Jun 8 '09 at 15:51
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