print every nth line


Some time back I was working with lot of data and wanted to analyze only the every 10 line sometimes and sometimes every 20th line. I had to keep doing these changes in vim or otherwise so finally I …

analyze debug queries output for wordpress


Some time back, my website became too slow and I started getting timeout response for quite a lot of my pages. When I analyzed things, I found the issue was with the DB queries taking a lot of time. …

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