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In Firebase, is there a way to get the number of children of a node without loading all the node dat
...nctions-samples/blob/master/child-count/functions/index.js
Update January 2018
The firebase docs have changed so instead of event we now have change and context.
The given example throws an error complaining that event.data is undefined. This pattern seems to work better:
exports.countPrescripti...
Python: One Try Multiple Except
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edited Feb 23 '18 at 1:00
answered May 23 '11 at 10:13
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How to set variables in HIVE scripts
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203
You need to use the special hiveconf for variable substitution.
e.g.
hive> set CURRENT_DATE...
Unable to find specific subclass of NSManagedObject
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221
Update for Xcode 7 (final):
Prepending the module name to the class (as in Xcode 6 and early ...
In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
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edited Nov 22 '13 at 22:50
Imre Kelényi
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Programmatically get own phone number in iOS
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320
At the risk of getting negative marks, I want to suggest that the highest ranking solution (cur...
What is a “translation unit” in C++
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272
From here: (wayback machine link)
According to standard C++ (wayback machine link) :
A ...
Remote debugging Tomcat with Eclipse
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answered Oct 1 '10 at 6:02
RaghuramRaghuram
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'Java' is not recognized as an internal or external command
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208
You need to configure your environment variables, JAVA_HOME and PATH.
JAVA_HOME must contain ...
How does RewriteBase work in .htaccess
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edited Aug 26 '16 at 13:32
answered Apr 1 '09 at 5:28
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