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ls command: how can I get a recursive full-path listing, one line per file?
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@dreftymac, i'll be glad to change my vote, but it is now locked, you need to edit the question so i can update the vote
– lurscher
Apr 15 '13 at 20:10
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.c vs .cc vs. .cpp vs .hpp vs .h vs .cxx [duplicate]
...X-like systems, where .cpp is more common on Windows systems. At least in my observations.
– Daniel Gallagher
Mar 2 '11 at 18:18
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Who is calling the Java Thread interrupt() method if I'm not?
... what it was doing.)
1) If I'm never ever interrupting other threads myself, what can trigger an InterruptedException?
One example is if your Runnable objects are executed using an ExecutorService and shutdownNow() is called on the service. And in theory, any 3rd-party thread pool or thread...
What is the use of GO in SQL Server Management Studio & Transact SQL?
... right? Is there any circumstances where I should keep the GO statement in my scripts?
– kate1138
Oct 3 '14 at 6:49
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ActiveRecord: List columns in table from console
...rucially for me it was the only and easiest way to gain confidence in what my primary key really was at the database level.
– nibbex
Mar 11 '15 at 17:30
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What is the coolest thing you can do in
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I got a great response from my kids with a quick VB script to manipulate a Microsoft Agent character. For those that aren't familiar with MS Agent, it's a series of animated onscreen characters that can be manipulated via a COM interface. You can downlo...
What is so special about Generic.xaml?
I've been trying to figure out how to organize my ResourceDictionary files for reuse and sharing with other members of my team.
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Disabling highlighting of current line in the Visual Studio editor
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My problem is that the small border around the "line highlight" obscures the squiggly warnings that R# puts underneath text. I don't suppose we can set the transparency of the border...
– PandaWood
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What is a simple/minimal browserconfig.xml for a web site
...404 Not Found messages as IE looks for browserconfig.xml scrolling by in my log files.
6 Answers
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Get names of all keys in the collection
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You could do this with MapReduce:
mr = db.runCommand({
"mapreduce" : "my_collection",
"map" : function() {
for (var key in this) { emit(key, null); }
},
"reduce" : function(key, stuff) { return null; },
"out": "my_collection" + "_keys"
})
Then run distinct on the resulting collec...