webb questions

webb answers

• Command output mangled on redirection
• Best practice for running a process in background and wait until it's ready
• R data.table group by attribute of i table
• How to copy files found with grep on OSX
• Why are the parallel tasks always slow at the first time?
• Pipe a lot of files to stdin, extract first columns, then combine those in a new file
• How to use cscope with paths that contain spaces
• Clone/download specific files from a GitHub repository
• Weighted Average in R using NA weights
• Get xargs to word-split placeholder {}