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Does R have an assert statement as in python?
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edited Aug 6 '18 at 18:54
cbare
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answered Feb ...
How to search in array of object in mongodb
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db.users.find({awards: {$elemMatch: {award:'National Medal', year:1975}}})
$elemMatch allows you to match more than one component within the same array element.
Without $elemMatch mongo will look for users with National Medal in some year and some award in 1975s, but not for users with Nati...
Pushing from local repository to GitHub hosted remote
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Getting the encoding of a Postgres database
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answered Jun 23 '11 at 12:45
Bohemian♦Bohemian
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Add hover text without javascript like we hover on a user's reputation
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508
Use the title attribute, for example:
<div title="them's hoverin' words">hover me...
Add new row to dataframe, at specific row-index, not appended?
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159
Here's a solution that avoids the (often slow) rbind call:
existingDF <- as.data.frame(matr...
What does -XX:MaxPermSize do?
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+50
The permanent space is where the classes, methods, internalized strings, and similar objects used by the VM are stored and never deal...
Returning JSON from PHP to JavaScript?
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answered Mar 25 '09 at 16:02
Kent FredricKent Fredric
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How to `go test` all tests in my project?
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295
This should run all tests in current directory and all of its subdirectories:
$ go test ./...
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WPF Command Line
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159
First, find this attribute at the top of your App.xaml file and remove it:
StartupUri="Window1...