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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
...Ref.transaction(function (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www.firebase.com/docs/transactions.html
UPDATE:
Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your own Server. You can simply write JavaScript ...
PostgreSQL delete all content
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125
Use the TRUNCATE TABLE command.
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jquery.validate.unobtrusive not working with dynamic injected elements
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What does the “-U” option stand for in pip install -U
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How to create and handle composite primary key in JPA
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edited Jun 28 '16 at 11:18
pixel
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How to set a Javascript object values dynamically?
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152
myObj[prop] = value;
That should work. You mixed up the name of the variable and its value. ...
How can I analyze Python code to identify problematic areas?
...g. The page also gives a good overview of how to interpret the results.
+1 for pylint. It is great at verifying adherence to coding standards (be it PEP8 or your own organization's variant), which can in the end help to reduce cyclomatic complexity.
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What is the C# equivalent to Java's isInstance()?
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The equivalent of Java’s obj.getClass().isInstance(otherObj) in C# is as follows:
bool result...
Python argparse ignore unrecognised arguments
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answered Oct 10 '12 at 11:28
unutbuunutbu
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