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How to get an object's properties in JavaScript / jQuery?
...imitive wrappers, objects created with built-in constructors, e.g.: typeof new String("foo"); produces "object", it is a wrapped primitive value, while typeof "foo"; produces "string". See also
– Christian C. Salvadó
Nov 2 '10 at 16:03
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Select element based on multiple classes
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Rounded corner for textview in android
...ckground property set, you can use a <layer-list> (link) to create a new XML drawable that combines both your old background and your new rounded corners background.
Each <item> element in the list is drawn over the next, so the last item in the list is the one that ends up on top.
<...
Split column at delimiter in data frame [duplicate]
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The newly popular tidyr package does this with separate. It uses regular expressions so you'll have to escape the |
df <- data.frame(ID=11:13, FOO=c('a|b', 'b|c', 'x|y'))
separate(data = df, col = FOO, into = c("left", "right...
On EC2: sudo node command not found, but node without sudo is ok
I have just installed nodejs on a new EC2 micro instance.
12 Answers
12
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Heroku deployment error H10 (App crashed)
...k. Restarting will be implemented by stopping all dynos and starting them anew.
– Jochem Schulenklopper
Jan 18 '16 at 16:07
1
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Python naming conventions for modules
...n naming conventions and other style advice, see PEP 8, the Python style guide.
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What good technology podcasts are out there?
...stack happens to be the Internet and is filled with too many of these "Hot new Gadgets" stuff :(
97 Answers
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How to filter array in subdocument with MongoDB [duplicate]
...: 1
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MongoDB 3.2 Update
Starting with the 3.2 release, you can use the new $filter aggregation operator to do this more efficiently by only including the list elements you want during a $project:
db.test.aggregate([
{ $match: {_id: ObjectId("512e28984815cbfcb21646a7")}},
{ $project: {
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Search an Oracle database for tables with specific column names?
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