Walf questions

Walf answers

• RegEx not working for long pattern PCRE's JIT compiler stack limit - PHP7
• How to get ps to print group?
• Wrap links in <a> tag with regular expression
• Download Folder including Subfolder via wget from Dropbox link to Unix Server
• PHP: explode but ignore escaped delimiter
• Updating the Git index failed, LF will be replaced by CRLF?
• Regular expression for valid subdomain in Ruby
• Some higher level abstractions for detecting DOM element visibility [duplicate]
• Letsencrypt with htaccess
• in vim with xclip, yank to clipboard