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Comparing mongoose _id and strings
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375
Mongoose uses the mongodb-native driver, which uses the custom ObjectID type. You can compare Ob...
Docker: adding a file from a parent directory
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answered Dec 15 '15 at 21:54
BoedyBoedy
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Entity framework code-first null foreign key
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Ladislav MrnkaLadislav Mrnka
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How to access maven.build.timestamp for resource filtering
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edited Sep 12 at 15:02
Java Crazy
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answered Nov 5 '12 at 9:04
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How to get the name of a class without the package?
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365
Class.getSimpleName()
Returns the simple name of the underlying class as given in the source co...
error opening HPROF file: IOException: Unknown HPROF Version
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edited Mar 6 '15 at 16:18
Sipty
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answer...
HTML5 doctype putting IE9 into quirks mode?
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5 Answers
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Active
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How do you specify command line arguments in Xcode 4?
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158
Command line arguments and environment variables can be set up in the Run section of the scheme...
Relative frequencies / proportions with dplyr
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295
Try this:
mtcars %>%
group_by(am, gear) %>%
summarise(n = n()) %>%
mutate(freq =...
How do you use window.postMessage across domains?
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Here is an example that works on Chrome 5.0.375.125.
The page B (iframe content):
<html>
<head></head>
<body>
<script>
top.postMessage('hello', 'A');
</script>
</body>
</html>...