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How to catch integer(0)?
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isEmpty() is included in the S4Vectors base package. No need to load any other packages.
a <- which(1:3 == 5)
isEmpty(a)
# [1] TRUE
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Difference between ApiController and Controller in ASP.NET MVC
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It's fairly simple to decide between the two: if you're writing an HTML based web/internet/intranet application - maybe with the occasional AJAX call returning json here and there - stick with MVC/Controller. If you want to provide a data driven/REST-ful interface to a system, go with WebAPI. You...
Binding ConverterParameter
...er, culture) };
}
}
}
With this MarkupExtension in your code base you can simply bind the ConverterParameter the following way:
<Style TargetType="FrameworkElement">
<Setter Property="Visibility">
<Setter.Value>
<wpfAdditions:ConverterBindableParameter Bi...
Find all elements on a page whose element ID contains a certain text using jQuery
...nt ID contains a certain text. I'll then need to filter the found elements based on whether they are hidden or not. Any help is greatly appreciated.
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Most underused data visualization [closed]
...ization from R, and two graphics packages (which are not as widely used as base graphics, lattice, or ggplot):
Heat Maps
I really like visualizations that can handle multivariate data, especially time series data. Heat maps can be useful for this. One really neat one was featured by David Smith ...
pinpointing “conditional jump or move depends on uninitialized value(s)” valgrind message
...found the problem. Note that valgrind watches for Conditional jump or move based on unitialized variables. What that means is that it will only give out a warning if the execution of the program is altered due to the uninitialized value (ie. the program takes a different branch in an if statement, f...
Interview question: Check if one string is a rotation of other string [closed]
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Another python example (based on THE answer):
def isrotation(s1,s2):
return len(s1)==len(s2) and s1 in 2*s2
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What does “hashable” mean in Python?
...hus hashable), because they inherit the methods from object (the universal base-class).
– Eli Korvigo
Mar 1 '19 at 19:19
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Container-fluid vs .container
...container and .container-fluid are responsive (i.e. they change the layout based on the screen width), but in different ways (I know, the naming doesn't make it sound that way).
Short Answer:
.container is jumpy / choppy resizing, and
.container-fluid is continuous / fine resizing at width: 100%....
How to implement Enums in Ruby?
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What if these enum is too be stored to the database? Will symbol notation works? I doubt...
– Phương Nguyễn
Jun 11 '10 at 3:44
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