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How to read data when some numbers contain commas as thousand separator?
..."", and then convert the string to numeric using as.numeric:
y <- c("1,200","20,000","100","12,111")
as.numeric(gsub(",", "", y))
# [1] 1200 20000 100 12111
This was also answered previously on R-Help (and in Q2 here).
Alternatively, you can pre-process the file, for instance with sed in uni...
Parallel.ForEach() vs. foreach(IEnumerable.AsParallel())
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edited Apr 4 '14 at 9:22
svick
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answered...
How can I get a Dialog style activity window to fill the screen?
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edited Sep 29 '13 at 16:05
Mārtiņš Briedis
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Handling Touch Event in UILabel and hooking it up to an IBAction
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255
Check it out:
UILabel *label = ...
label.userInteractionEnabled = YES;
UITapGestureRecognizer...
Difference between MVC 5 Project and Web Api Project
... API and trying to get the basics. AFAIK, we have project templates in VS 2013, named as MVC , Web API and Both of them together .
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Is it possible to change a UIButtons background color?
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edited Jul 23 '19 at 6:13
shim
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an...
Hibernate vs JPA vs JDO - pros and cons of each? [closed]
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112
Some notes:
JDO and JPA are both specifications, not implementations.
The idea is you can swap...
Deleting an object in java?
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172
You should remove the references to it by assigning null or leaving the block where it was decla...
AngularJS: ng-show / ng-hide not working with `{{ }}` interpolation
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edited May 9 '14 at 23:59
Scott
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answered...
What is the 'override' keyword in C++ used for? [duplicate]
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{
public:
int foo(float x) override { ... } // OK
}
class derived2: public base
{
public:
int foo(int x) override { ... } // ERROR
};
In derived2 the compiler will issue an error for "changing the type". Without override, at most the compiler would give a warning for "you are hid...