Notes on Web and Mobile App Development

Using bash tool sed, awk, grep, vim ... to edit multiple file. Case study DOM tag <html DOCTYPE, meta, charset... https://unix.stackexchange.com/questions/26284/how-can-i-use-sed-to-replace-a-multi-line-string Sed cheatsheet https://gist.github.com/asenchi/2291903 HTML meta tags (recommend way ?) https://www.quackit.com/html_5/tags/html_meta_tag.cfm Example <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml " xml:lang="ja" lang="ja"> <head> <meta http-equiv="Content-Type" content="text/html" charset="EUC-JP" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta name="description" content="content here" ...

awk -F ' ' '{ a[$5]++ } END { for (b in a) { print b } }' dm_documents_resource.sql cut uniq column 5 tach boi ‘\ ‘ ‘ ‘ dau cach pfccdlfdtte pcaccplircdt dklpcfrp?qeiq lhpqlipqeodf gpwafopwprti izxndkiqpkii krirrifcapnc dxkdciqcafmd vkfpcadf. [ Code shift 1 ,2 - n word in †´˜çå´¨≥ç®ß®∫˚∆œ∑≥æç©≥π÷´ø˙¨ - 2 shift add position "Sometimes you can have the smallest role in the smallest production and still have a big impact." \ find . -name .svn -exec rm -rf {} \; http://blog.alexgalmeanu.com/ ------------------------- Sort de cut duplicate row (one column same value): $ sort -t, -u -b -k1n text 542 , 8 , 1 , 418 , 1 542 , 9 , 1 , 418 , 1 199 , 7 , 1 , 419 , 10 301 , 34 , 1 , 689070 , 1 It is not sorting based on the first column. Approach 2 $ sort -t, -u -b -k1n, 1n text 199 , 7 , 1 , 419 , 10 301 , 34 , 1 , 689070 , 1 542 , 8 , 1 , 418 , 1 ••••••••••••••••••••••••••• Sort cột cần dùng cho lên đầu...