(define filter-in (lambda (predicate list) (let((f (lambda (l) (filter-in-sexpr predicate l)))) (map f list))))
I use Latex, document class is book. After each chapter, there is a page with page head and foot, and also a strange symbol on it, and the rest is blank. Then after this page a normal blank page is ge
If I want to enforce a maximum length of input in an EditText field, I can use the maxLength attribute.But if I want to enforce开发者_JAVA百科 a minimum length (in my case, simply non-blank), I find n
When debugging a program u开发者_开发百科sing Visual Studio you are given the option to Enable the Visual Studio hosting process.What is this purpose of this option and what effect does it have?The MS
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