w https://www.cis.upenn.edu/~matuszek/cit594-2012/Pages/backtracking.html Starting at Root, your options are A and B. You choose A. At A, your options are C and D. You choose C. C is bad. Go back to A. At A, you have already tried C, and it failed. T…
[PHP] ;;;;;;;;;;;;;;;;;;; ; About php.ini ; ;;;;;;;;;;;;;;;;;;; ; This file controls many aspects of PHP’s behavior. In order for PHP to ; read it, it must be named ‘php.ini’. PHP looks for it in the current ; working directory, in the path designate…
for the backtracking part, thanks to the video of stanford cs106b lecture 10 by Julie Zelenski for the nice explanation of recursion and backtracking, highly recommended. in hdu 2553 cout N-Queens solutions problem, dfs is used. // please ignore, bel…
A procedure body can contain calls to other procedures, not least itself: (define factorial (lambda (n) (if (= n 0) 1 (* n (factorial (- n 1)))))) This recursive procedure calculates the factorial of a number. If the number is 0, the answer is 1. For…
在BootstrapValidator中已默认遵守Bootstrap规则,form里的每个输入项目必需包含在类为form-group的标签里,否则BootstrapValidator中定义的fields将无法找到,以至于出现too much recursion错误. 自从使用了BootstrapValidator之后,感觉非常漂亮,但却引发了很多个bug,too much recursion就是其中一种. 这样的写法对于BootstrapValidator是不符合规则的,虽然这样的写法看起并没有…
The domain logic is like there are a bunch of objects, as well as a lot of configurations, according to ddd, there should a base entity, as well as dtos, using entity framework code first, always use migration to mysql, each change will be displayed…
