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Getting unique items from a list [duplicate]
...st() requires two full iterations over the enumerable, and additionally is based off IEqualityComparer, which is slower than GetHashCode.
– Noldorin
Sep 7 '09 at 9:19
1
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Why can't R's ifelse statements return vectors?
...gested by Cath, but it can work with existing pre-assigned vectors
It is based around using the get() like so:
a <- c(1,2)
b <- c(3,4)
get(ifelse(TRUE, "a", "b"))
# [1] 1 2
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Using Python's os.path, how do I go up one directory?
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You want exactly this:
BASE_DIR = os.path.join( os.path.dirname( __file__ ), '..' )
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Update my github repo which is forked out from another project [duplicate]
... you're working on an unpushed branch you can also use git fetch and git rebase to rebase your work without needing a merge.
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UTF-8 without BOM
...nfig so a recommended solution
is to add .editorconfig file to your code base and set charset => utf-8.
Then once you save a file it will be saved as UTF-8 without BOM.
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Get name of caller function in PHP?
... but I don't have reputation for commenting. I made a very simple function based on flori's answer that works fine for my case:
class basicFunctions{
public function getCallerFunction(){
return debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS, 3)[2]['function'];
}
}
EXAMPLE:
functi...
How to master AngularJS? [closed]
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This answer is based on the question and title of this book: http://www.packtpub.com/angularjs-web-application-development/book
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Measuring code execution time
... need to use also Stopwatch.Reset on after every single line to calculate. Based on your line; take a look ideone.com/DjR6ba
– Soner Gönül
Jul 25 '13 at 6:48
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mongo group query how to keep fields
...$first: '$age' }, // retain remaining field
count: { $sum: 1 } // count based on your group
},
{
$project:{
name:"$_id.name",
age: "$age",
count: "$count",
_id:0
}
}])
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No IUserTokenProvider is registered
... to AddIdentity. I wanted to implement my own user that inherited from the base user. By doing this I lost the default token providers. The fix was to add them back with AddDefaultTokenProviders().
services.AddIdentity<User, UserRole>()
.AddEntityFrameworkStores<Applica...