The mail() function is bad, because it is so permissive with headers that yo开发者_StackOverflow中文版u pretty much can\'t use it with any user input without subjecting yourself or others to spam.So w
I have Perl code: my $s =\"The+quick+brown+fox+jumps+over+the+lazy+dog+that+is+my+dog\"; I want to replace every + with space and dog with cat.
I have a variable which stores the path on Windows. I want to replace all the \\ with / in the path.
We had a lot of strings which contained the same sub-string, from sentences about checking the log or how to contact support, to branding-like strings containing the company or product name.The repeti
Perl allows ... $a = \"fee\"; $result = 1 + f($a) ; # invokes f with the argument $a but disallows, or rather doesn\'t do what I want ...
Following up from an earlier question on extracting the n\'th regex match, I now need to substitute the match, if found.
My question is: why doesn\'t the following work, and how do I fix it? Plot[f[t], {t, 0, 2*Pi}] /. {{f -> Sin}, {f -> Cos}}
after digging into this topic and having the req开发者_JAVA百科uirement, that a single page should be totally cached, except for a
The following command in a batch file does not work as expected/hoped: echo %~nxs1 Here is a sample display of what I’m trying to get:
This question already has answers here: Is there a simple way to remove multiple spaces in a string? (26 answers)
加载中,请稍侯......