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Check that Field Exists with MongoDB
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edited Jun 3 '16 at 9:13
answered Nov 8 '13 at 20:34
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How to show git log history for a sub directory of a git repo?
...efspecs.
# Show changes for src/nvfs
$ git log --oneline -- src/nvfs
d6f6b3b Changes for Mac OS X
803fcc3 Initial Commit
# Show all changes (one additional commit besides in src/nvfs).
$ git log --oneline
d6f6b3b Changes for Mac OS X
96cbb79 gitignore
803fcc3 Initial Commit
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What does the tilde before a function name mean in C#?
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edited Dec 3 '12 at 20:01
PedroC88
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Rails 2.3-style plugins and deprecation warnings running task in Heroku
I'm upgrading to Rails 3.2, and running rake db:migrate gives me several errors of the form:
8 Answers
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List distinct values in a vector in R
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Do you mean unique:
R> x = c(1,1,2,3,4,4,4)
R> x
[1] 1 1 2 3 4 4 4
R> unique(x)
[1] 1 2 3 4
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Unable to access JSON property with “-” dash
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Difference between Pragma and Cache-Control headers?
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Do Swift-based applications work on OS X 10.9/iOS 7 and lower?
...troller = UIViewController()
var view = UIView(frame: CGRectMake(0, 0, 320, 568))
view.backgroundColor = UIColor.redColor()
controller.view = view
var label = UILabel(frame: CGRectMake(0, 0, 200, 21))
label.center = CGPointMake(160, 284)
label.textAlignment = NSTextAlignment...
Regex exactly n OR m times
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Mark ByersMark Byers
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How to list all the available keyspaces in Cassandra?
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answered Sep 11 '13 at 19:23
TheoTheo
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