- Visual Studio Code Hot Keys
Search Search for file in your space Windows CTRL + P Mac command + P
- HTML SEO
Title Description Social Media Tags Viewport metadata <meta name=”viewport” content=”width=device-width, initial-scale=1″/>
- Linux prepend content to a file
Prepend content to a file Use sed with -i option. You can also specify the line to which the content will prepend to. sed -i ” ‘1s/^/package home;/” Home.java Prepend content to multiple files Here I need to add a package to 200 java files. To do this manual would be tedios. for f […]
- CSS Margin
margin properties are used to create space around elements, outside of any defined borders. margin: top right bottom left; margin: 10px 15px 20px 25px; top – 10px right – 15px bottom – 20px left – 25px margin: top right/left bottom; margin: 10px 20px 25px; top – 10px right/left – 20px bottom – 25px…
- Elasticsearch – Mappings, and Why You Should Write Your Own
Dynamic mapping guesses a field's type from the first document it sees, and it guesses from ONE document. A price that happens to arrive as 120 becomes a long and the next listing at 119.50 is a problem. Writing an explicit mapping, what dynamic: strict buys, multi-fields, and the constraint that shapes everything afterwards: a field's type cannot be changed once it has been written.