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Does a finally block always get executed in Java?
Considering this code, can I be absolutely sure that the finally block always executes, no matter what something() is?
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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...
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...
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);
}
}...
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...
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?
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wpf: how to show tooltip when button disabled by command?
...n ToolTipService.ShowOnDisabled="True">...
– gusmally supports Monica
Nov 4 '19 at 18:44
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Convert an enum to List
...ink explanations. While you and I understand shorthand code, newbie's need all the extra details to associate it with their learnings.
– Jeremy Thompson
Sep 23 '14 at 9:16
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Eclipse shortcut “go to line + column”
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All, If you want more and more shortcuts, in eclipse: ctrl+shift+L.
– lupchiazoem
Jul 24 '19 at 6:34
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How to add an object to an array
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First of all, there is no object or array. There are Object and Array. Secondly, you can do that:
a = new Array();
b = new Object();
a[0] = b;
Now a will be an array with b as its only element.
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