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Create an empty data.frame
... stringsAsFactors=FALSE)
str(df)
> str(df)
'data.frame': 0 obs. of 5 variables:
$ Doubles : num
$ Ints : int
$ Factors : Factor w/ 0 levels:
$ Logicals : logi
$ Characters: chr
N.B. :
Initializing a data.frame with an empty column of the wrong type does not ...
How can I get the iOS 7 default blue color programmatically?
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answered Sep 26 '13 at 16:10
Aaron BragerAaron Brager
60.7k1616 gold badges143143 silver badges255255 bronze badges
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Most simple but complete CMake example
...> ...]) without comma or semicolor. Each argument is a string. foobar(3.0) and foobar("3.0") is the same. you can set lists/variables with set(args arg1 arg2). With this variable set foobar(${args}) and foobar(arg1 arg2) are effectively the same. A non existent variable is equivalent to an empty...
Advantage of creating a generic repository vs. specific repository for each object?
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edited Aug 23 '13 at 15:00
Brody Robertson
7,87122 gold badges4040 silver badges4242 bronze badges
ans...
jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)
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If Chrome DevTools is reporting a 404 for a .map file (maybe jquery-1.10.2.min.map, jquery.min.map or jquery-2.0.3.min.map, but can happen with anything) first thing to know is this is only requested when using the DevTools.
Your users will not be hitting thi...
API Keys vs HTTP Authentication vs OAuth in a RESTful API
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Joakim
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answered Jan 17 '12 at 19:00
SidSid
6,9592...
JavaScript function order: why does it matter?
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+600
tl;dr If you're not calling anything until everything loads, you should be fine.
Edit: For an overview which also covers some ES6...
git --git-dir not working as expected
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edited Mar 4 '15 at 21:09
pimlottc
2,71622 gold badges2424 silver badges2222 bronze badges
answered S...
What does principal end of an association means in 1:1 relationship in Entity framework
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380
In one-to-one relation one end must be principal and second end must be dependent. Principal end...
jQuery get the location of an element relative to window
... log(eTop - $(window).scrollTop());
});
});
#element {
margin: 140px;
text-align: center;
padding: 5px;
width: 200px;
height: 200px;
border: 1px solid #0099f9;
border-radius: 3px;
background: #444;
color: #0099d9;
opacity: 0.6;
}
#log {
position: fixed;
t...