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Subclassing a Java Builder class
...Builder<?> builder) {
calories = builder.calories;
}
}
Now instantiate the base builder with the derived class builder as the generic argument.
public class GMOFacts extends NutritionFacts {
private final boolean hasGMO;
public static class Builder extends NutritionFac...
Implementing MVC with Windows Forms
...e CAB was a set of sample code from Microsoft on how to build apps - it is now mostly history.
– Ian Ringrose
Nov 28 '13 at 10:28
...
Casting a variable using a Type variable
...pe intType = typeof(Int32);
object value1 = 1000.1;
// Variable value2 is now an int with a value of 1000, the compiler
// knows the exact type, it is safe to use and you will have autocomplete
int value2 = Convert.ChangeType(value1, intType);
// Variable value3 is now an int with a value of 1000...
What is a lambda (function)?
... = x−1 means a function substituting the symbols x−1 for the symbol y. Now imagine applying λ y to each term in the first equation. If a term is y then perform the substitution; otherwise do nothing. If you do this out on paper you'll see how applying that λ y will make the first equation solv...
Add regression line equation and R^2 on graph
... parse = TRUE) +
geom_point()
p
@shabbychef Now it is possible to match the variables in the equation to those used for the axis-labels. To replace the x with say z and y with h one would use:
p <- ggplot(data = df, aes(x = x, y = y)) +
geom_smooth(method = "lm"...
Generate a heatmap in MatPlotLib using a scatter data set
...in plot; so do (AFAIK) all of the plotting libraries for R; still i don't know if this is the generally accepted term for plots of this type, though i suspect it's likely given that hexbin is short for hexagonal binning, which is describes the essential step in preparing the data for display.)
fr...
How to optimize for-comprehensions and loops in Scala?
...
Now, in 2014, I tested this again and for me performance is the following: java -> 0.3s; scala -> 3.6s; scala optimized -> 3.5s; scala functional -> 4s; Looks much better than 3 years ago, but... Still th...
What's the difference between struct and class in .NET?
...the moment
Internally, reference types are implemented as pointers, and knowing that, and knowing how variable assignment works, there are other behavioral patterns:
copying the contents of a value type variable into another variable, copies the entire contents into the new variable, making the ...
What should be in my .gitignore for an Android Studio project?
...the "use default gradle wrapper (recommended)" radio button. All paths are now relative as @George suggested.
Updated answer according to @128KB attached source and @Skela suggestions
share
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impro...
Get cookie by name
... is enclosed with "; " and "=":
"; {name}={value}; {name}={value}; ..."
Now, we can first split by "; {name}=", and if token is found in a cookie string (i.e. we have two elements), we will end up with second element being a string that begins with our cookie value. Then we pull that out from an ...