I want to use mod_rewrite to delete a specified query parameter from the URL.
Example:
1) User enters the URL:
http://localhost/intra/page.htm?var1=123&var2=456&var3=789 2)mod_rewrite
Tag: use
Regular expression – delete comments using Perl
Is there any regular expression that can remove all comments in a given C program // and / ** / var from perl?
Given a multi-line program, it should use regular expressions to remove comments
Regular expression – the best modern text parsing? When is AKA to use Lex and Yacc?
I have commands and parameters for inputting text blocks, one per line, such as
XYZ ARG1,ARG2,ARG3, …, ARGN I want to verify whether the parameters of XYZ are applicable to that particular
What is the shortcomings of operating systems – using files as two processes?
I have legacy code that needs to be improved for performance reasons. My application contains two executable files that need to exchange some information. In the legacy code, an exe is written to t
Array – How to use any () on a multidimensional array?
I’m testing an arbitrarily large, arbitrarily sized logical array, and I want to know if one or more of them are true. any() can only be in one dimension at a time Works, so does sum(). I know I ca
Use Group_by to find the percentage in the subgroup and summarize
I am new to dplyr and tried to make the following conversion without luck. I have searched on the internet and I found an example of doing the same in ddply, but I want to use dplyr .
I have
Syntax – Is it easier to write recursive drop parsers using EBNF or BNF?
I have a grammar for BNF and EBNF. BNF is obviously more verbose. As far as building a recursive descent parser using BNF, I have a pretty good idea; there are many resources for me. Could not find
Use a sub-string twice in regular expressions
First of all, this question may have been asked before, but I am not sure what phrase to search for.
I have a string:
Maaaa
I have a pattern:
aaa< /p> I want to match twice
Use regular expressions to delete duplicate rows
I have a list of html links, most of which are repeated, as in the following example->
> http://example.com/some/a-test-link.html
> http://example.com/some/a-test-link.html
> http://example.
Can I use a regular expression to search in an array?
I have an array of strings. I need to use regular expressions to search for strings in the array. Is it possible? If so, please explain.. $a = preg_grep(“/search_word/”,$array_of_strings);
print