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Bookmark or Share- What are the -Xms and -Xmx parameters when starting JVM?The flag Xmx specifies the maximum memory allocation pool for a Java Virtual Machine (JVM), while Xms specifies the initial memory allocation pool. This means that your JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of memory. For example, starting a JVM like below will start it with 256 MB of ...
- Difference between := and = operators in Go - Stack Overflowfrom the reference doc : (tour.golang.org) Inside a function, the := short assignment statement can be used in place of a var declaration with implicit type. Outside a function, every construct begins with a keyword (var, func, and so on) and the := construct is not available. answered Aug 23, 2013 at 8:05.
- Regular Expressions: Is there an AND operator? - Stack OverflowThe OR operator has instead to be specified with a pipe. The following RegExp: var re = /ab/; means the letter a AND the letter b. It also works with groups: var re = /(co)(de)/; it means the group co AND the group de. Replacing the (implicit) AND with an OR would require the following lines: var re = /a|b/;
- css selectors - CSS "and" and "or" - Stack OverflowSince 2021, all browsers are compatible with the :is and :where pseudo-classes. :where has 0 specificity, and :is takes on the specificity of its most specific argument. 1. Thus, for the given example in the OP, you'd do either: input:not(:is([type='radio'],[type='checkbox'])) {. /* your css declarations here */.
- java - && (AND) and || (OR) in IF statements - Stack OverflowJava has 5 different boolean compare operators: &, &&, |, ||, ^. & and && are "and" operators, | and || "or" operators, ^ is "xor". The single ones will check every parameter, regardless of the values, before checking the values of the parameters. The double ones will first check the left parameter and its value and if true (||) or false ...
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