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Measuring text width to be drawn on Canvas ( Android )

... There's actually three different ways of measuring text. GetTextBounds: val paint = Paint() paint.typeface = ResourcesCompat.getFont(context, R.font.kaushanscript) paint.textSize = 500f paint.color = Color.argb(255, 3, 221, 252) val co...
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How to define custom exception class in Java, the easiest way?

...nstructors, you need to define the one taking a String in your class. Typically you use super(message) in your constructor to invoke your parent constructor. For example, like this: public class MyException extends Exception { public MyException(String message) { super(message); } }...
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jQuery - selecting elements from inside a element

... Actually, $('#id', this); would select #id at any descendant level, not just the immediate child. Try this instead: $(this).children('#id'); or $("#foo > #moo") or $("#foo > span") ...
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Plotting with seaborn using the matplotlib object-oriented interface

...re-level) are distinguished by the fact that the resulting plot can potentially include several Axes which are always organized in a "meaningful" way. That means that the functions need to have total control over the figure, so it isn't possible to plot, say, an lmplot onto one that already exists. ...
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Less aggressive compilation with CSS3 calc

....5em"); } In Less 1.4.0 we will have a strictMaths option which requires all Less calculations to be within brackets, so the calc will work "out-of-the-box". This is an option since it is a major breaking change. Early betas of 1.4.0 had this option on by default. The release version has it off by...
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Does the ternary operator exist in R?

... 2*3 : 4 [1] 6 > y [1] 1 > y <- (1 ? 2*3 : 4) > y [1] 6 Finally, you can do very similar way with c: `?` <- function(x, y) { xs <- as.list(substitute(x)) if (xs[[1]] == as.name("<-")) x <- eval(xs[[3]]) r <- eval(sapply(strsplit(deparse(substitute(y)), ":"), fun...
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How to store values from foreach loop into an array?

...used by any developers. The counter and incrementing are not necessary at all. – mickmackusa Jun 27 '19 at 7:05 ...
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The split() method in Java does not work on a dot (.) [duplicate]

...is converted to a regular expression. . is the special character matching all input characters. As with any regular expression special character, you escape with a \. You need an additional \ for the Java string escape. s...
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Color Tint UIButton Image

...I place a white or black UIImage into a UISegmentedControl it automatically color masks it to match the tint of the segmented control. I thought this was really cool, and was wondering if I could do this elsewhere as well. For example, I have a bunch of buttons that have a uniform shape but vari...
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What does rake db:test:prepare actually do?

...orial videos and I can't figure out what the db:test:prepare command actually does. Can someone provide an explanation? ...